def main():
engine_file_path = 'plate_detection.trt'
input_image_path = '../cat.jpg'
input_resolution_plate_detection_HW = (325, 325)
preprocessor = PreprocessYOLO(input_resolution_plate_detection_HW)
image_raw, image = preprocessor.process(input_image_path)
print(image.shape)
trt_outputs = []
with get_engine_from_bin(engine_file_path) as engine, engine.create_execution_context() as context:
inputs, outputs, bindings, stream = common.allocate_buffers(engine)
# Do inference
print('Running inference on image {}...'.format(input_image_path))
# Set host input to the image. The common.do_inference function will copy the input to the GPU before executing.
inputs[0].host = image
trt_outputs = common.do_inference(context, bindings=bindings, inputs=inputs, outputs=outputs, stream=stream, batch_size=1)
# in this case, it demonstrates to perform inference for 50 times
total_time = 0; n_time_inference = 10000
for i in range(n_time_inference):
t1 = time.time()
trt_outputs = common.do_inference(context, bindings=bindings, inputs=inputs, outputs=outputs, stream=stream, batch_size=1)
t2 = time.time()
delta_time = t2 - t1
total_time += delta_time
print('inference-{} cost: {}ms'.format(str(i+1), delta_time*1000))
avg_time_original_model = total_time / n_time_inference
print("average inference time: {}ms".format(avg_time_original_model*1000))
print(trt_outputs[0].shape)
print(trt_outputs[1].shape)
def main(FLAGS):
"""Create a TensorRT engine for ONNX-based YOLOv3-608 and run inference."""
onnx_file_path = 'yolov3.onnx'
engine_file_path = "yolov3.trt"
input_image_path = 'debug_image/test1.jpg'
input_resolution_yolov3_HW = (608, 608)
preprocessor = PreprocessYOLO(input_resolution_yolov3_HW)
image_raw, image = preprocessor.process(input_image_path)
shape_orig_WH = image_raw.size
trt_outputs = []
with get_engine(onnx_file_path, FLAGS, engine_file_path) as engine, \
engine.create_execution_context() as context:
inputs, outputs, bindings, stream = allocate_buffers(engine)
# print('Running inference on image {}...'.format(input_image_path))
max_batch_size = engine.max_batch_size
image = np.tile(image, [36, 1, 1, 1])
inputs[0].host = image
inf_batch = 36
trt_outputs = do_inference(context,
bindings=bindings,
inputs=inputs,
outputs=outputs,
stream=stream,
batch_size=inf_batch)
output_shapes = [(max_batch_size, 255, 19, 19),
(max_batch_size, 255, 38, 38),
(max_batch_size, 255, 76, 76)]
trt_outputs = [
output.reshape(shape)
for output, shape in zip(trt_outputs, output_shapes)
] # [(1, 255, 19, 19), (1, 255, 38, 38), (1, 255, 76, 76)]
postprocessor_args = {
"yolo_masks": [(6, 7, 8), (3, 4, 5), (0, 1, 2)],
"yolo_anchors": [(10, 13), (16, 30), (33, 23), (30, 61), (62, 45),
(59, 119), (116, 90), (156, 198), (373, 326)],
"obj_threshold":
0.6,
"nms_threshold":
0.5,
"yolo_input_resolution":
input_resolution_yolov3_HW
}
postprocessor = PostprocessYOLO(**postprocessor_args)
feat_batch = [[trt_outputs[j][i] for j in range(len(trt_outputs))]
for i in range(len(trt_outputs[0]))]
for idx, layers in enumerate(feat_batch):
boxes, classes, scores = postprocessor.process(layers, (shape_orig_WH))
def read_batch_file(self, filename):
batch = []
input_resolution_yolov3_HW = (608, 608)
for img_path in filename:
preprocessor = PreprocessYOLO(input_resolution_yolov3_HW)
image = preprocessor.process(img_path)
batch.append(image[1])
batch = np.array(batch)
batch.shape = self.batch_size, 3, 608, 608
return batch
def main():
"""Create a TensorRT engine for ONNX-based YOLOv3-608 and run inference."""
# Try to load a previously generated YOLOv3-608 network graph in ONNX format:
onnx_file_path = '/home/nvidia/Documents/Projects/Fabric_defect_detection/YOLO/fast_yolo.onnx'
engine_file_path = "/home/nvidia/Documents/Projects/Fabric_defect_detection/YOLO/fast_yolo.trt"
# Download a dog image and save it to the following file path:
input_image_path = "/home/nvidia/Documents/Projects/Fabric_defect_detection/YOLO/sample.png"
# Two-dimensional tuple with the target network's (spatial) input resolution in HW ordered
input_resolution_yolov3_HW = (352, 352)
# Create a pre-processor object by specifying the required input resolution for YOLOv3
preprocessor = PreprocessYOLO(input_resolution_yolov3_HW)
# Load an image from the specified input path, and return it together with a pre-processed version
image_raw, image = preprocessor.process(input_image_path)
# Store the shape of the original input image in WH format, we will need it for later
shape_orig_WH = image_raw.size
# Output shapes expected by the post-processor
output_shapes = [(1, 18, 11, 11)]
# Do inference with TensorRT
trt_outputs = []
with get_engine(onnx_file_path, engine_file_path) as engine, engine.create_execution_context() as context:
inputs, outputs, bindings, stream = common.allocate_buffers(engine)
# Do inference
print('Running inference on image {}...'.format(input_image_path))
# Set host input to the image. The common.do_inference function will copy the input to the GPU before executing.
inputs[0].host = image
# start = time.time()
trt_outputs = common.do_inference(context, bindings=bindings, inputs=inputs, outputs=outputs, stream=stream)
# print("time: %.2f s" %(time.time()-start))
# print(trt_outputs)
# Before doing post-processing, we need to reshape the outputs as the common.do_inference will give us flat arrays.
trt_outputs = [output.reshape(shape) for output, shape in zip(trt_outputs, output_shapes)]
postprocessor_args = {"yolo_masks": [(0, 1, 2)], # A list of 3 three-dimensional tuples for the YOLO masks
"yolo_anchors": [(188,15), (351,16), (351,30)], # A list of 9 two-dimensional tuples for the YOLO anchors],
"obj_threshold": 0.5, # Threshold for object coverage, float value between 0 and 1
"nms_threshold": 0.2, # Threshold for non-max suppression algorithm, float value between 0 and 1
"yolo_input_resolution": input_resolution_yolov3_HW}
postprocessor = PostprocessYOLO(**postprocessor_args)
# Run the post-processing algorithms on the TensorRT outputs and get the bounding box details of detected objects
boxes, classes, scores = postprocessor.process(trt_outputs, (shape_orig_WH))
# Draw the bounding boxes onto the original input image and save it as a PNG file
# obj_detected_img = draw_bboxes(image_raw, boxes, scores, classes, ALL_CATEGORIES)
# output_image_path = 'dog_bboxes.png'
# obj_detected_img.save(output_image_path, 'PNG')
# print('Saved image with bounding boxes of detected objects to {}.'.format(output_image_path))
return boxes, classes, scores
def __init__(self):
super().__init__()
# resolution
self.preprocessor = PreprocessYOLO((608, 608))
self.trt = TensorRT("yolov3.trt")
postprocessor_args = {"yolo_masks": [(6, 7, 8), (3, 4, 5), (0, 1, 2)],
"yolo_anchors": [(10, 13), (16, 30), (33, 23), (30, 61), (62, 45),
(59, 119), (116, 90), (156, 198), (373, 326)],
"obj_threshold": 0.6,
"nms_threshold": 0.5,
"yolo_input_resolution": (608, 608)}
self.postprocessor = PostprocessYOLO(**postprocessor_args)
def process_multi(img_path, yolo, engine,context):
start_tf=time.time()
image=cv2.imread(img_path)
img_persons_new, boxes_new, trans=yolo.process_image(image)
start_tf = time.time()
img_persons_new, boxes_new, trans = yolo.process_image(image)
img=draw(image,boxes_new)
cv2.imwrite('img.jpg',img)
print('process time for tf is',time.time()-start_tf)
start_trt=time.time()
input_resolution_yolov3_HW = (608, 608)
preprocessor = PreprocessYOLO(input_resolution_yolov3_HW)
image_raw, image = preprocessor.process(img_path)
shape_orig_WH = image_raw.size
# Output shapes expected by the post-processor
output_shapes = [(1, 255, 19, 19), (1, 255, 38, 38), (1, 255, 76, 76)]
# Do inference with TensorRT
trt_outputs = []
inputs, outputs, bindings, stream = common_utils.allocate_buffers(engine)
inputs[0].host = image
trt_outputs = common_utils.do_inference(context, bindings=bindings, inputs=inputs, outputs=outputs, stream=stream)
start_trt = time.time()
trt_outputs = common_utils.do_inference(context, bindings=bindings, inputs=inputs, outputs=outputs, stream=stream)
# Before doing post-processing, we need to reshape the outputs as the common.do_inference will give us flat arrays.
trt_outputs = [output.reshape(shape) for output, shape in zip(trt_outputs, output_shapes)]
print('process time for trt is', time.time() - start_trt)
post_trt=time.time()
postprocessor_args = {"yolo_masks": [(6, 7, 8), (3, 4, 5), (0, 1, 2)],
# A list of 3 three-dimensional tuples for the YOLO masks
"yolo_anchors": [(10, 13), (16, 30), (33, 23), (30, 61), (62, 45),
# A list of 9 two-dimensional tuples for the YOLO anchors
(59, 119), (116, 90), (156, 198), (373, 326)],
"obj_threshold": 0.6, # Threshold for object coverage, float value between 0 and 1
"nms_threshold": 0.5,
# Threshold for non-max suppression algorithm, float value between 0 and 1
"yolo_input_resolution": input_resolution_yolov3_HW}
postprocessor = PostprocessYOLO(**postprocessor_args)
# Run the post-processing algorithms on the TensorRT outputs and get the bounding box details of detected objects
boxes, classes, scores = postprocessor.process(trt_outputs, (shape_orig_WH))
# Draw the bounding boxes onto the original input image and save it as a PNG file
obj_detected_img = draw_bboxes(image_raw, boxes, scores, classes, ALL_CATEGORIES)
obj_detected_img.save('out_boxes.png', 'PNG')
print('process time for trt post is', time.time() - post_trt)
def main():
"""Create a TensorRT engine for ONNX-based YOLOv3-608 and run inference."""
# Try to load a previously generated YOLOv3-608 network graph in ONNX format:
onnx_file_path = 'yolov3.onnx'
engine_file_path = "yolov3.trt"
# Download a dog image and save it to the following file path:
input_image_path = 'dog.jpg'
# Two-dimensional tuple with the target network's (spatial) input resolution in HW ordered
input_resolution_yolov3_HW = (608, 608)
# Create a pre-processor object by specifying the required input resolution for YOLOv3
preprocessor = PreprocessYOLO(input_resolution_yolov3_HW)
# Load an image from the specified input path, and return it together with a pre-processed version
image_raw, image = preprocessor.process(input_image_path)
# Store the shape of the original input image in WH format, we will need it for later
shape_orig_WH = image_raw.size
# Output shapes expected by the post-processor
output_shapes = [(1, 255, 19, 19), (1, 255, 38, 38), (1, 255, 76, 76)]
# Do inference with TensorRT
trt_outputs = []
with get_engine(onnx_file_path, engine_file_path) as engine, engine.create_execution_context() as context:
inputs, outputs, bindings, stream = common.allocate_buffers(engine)
# Do inference
print('Running inference on image {}...'.format(input_image_path))
# Set host input to the image. The common.do_inference function will copy the input to the GPU before executing.
inputs[0].host = image
#for input in inputs:
#print(input.host)
trt_outputs = common.do_inference(context, bindings=bindings, inputs=inputs, outputs=outputs, stream=stream)
# Before doing post-processing, we need to reshape the outputs as the common.do_inference will give us flat arrays.
trt_outputs = [output.reshape(shape) for output, shape in zip(trt_outputs, output_shapes)]
postprocessor_args = {"yolo_masks": [(6, 7, 8), (3, 4, 5), (0, 1, 2)], # A list of 3 three-dimensional tuples for the YOLO masks
"yolo_anchors": [(10, 13), (16, 30), (33, 23), (30, 61), (62, 45), # A list of 9 two-dimensional tuples for the YOLO anchors
(59, 119), (116, 90), (156, 198), (373, 326)],
"obj_threshold": 0.6, # Threshold for object coverage, float value between 0 and 1
"nms_threshold": 0.5, # Threshold for non-max suppression algorithm, float value between 0 and 1
"yolo_input_resolution": input_resolution_yolov3_HW}
postprocessor = PostprocessYOLO(**postprocessor_args)
# Run the post-processing algorithms on the TensorRT outputs and get the bounding box details of detected objects
boxes, classes, scores = postprocessor.process(trt_outputs, (shape_orig_WH))
# Draw the bounding boxes onto the original input image and save it as a PNG file
obj_detected_img = draw_bboxes(image_raw, boxes, scores, classes, ALL_CATEGORIES)
output_image_path = 'dog_bboxes.png'
obj_detected_img.save(output_image_path, 'PNG')
print('Saved image with bounding boxes of detected objects to {}.'.format(output_image_path))
def main():
ENGINE_FILE_PATH = "ped3_416.trt"
INPUT_LIST_FILE = './ped_list.txt'
INPUT_SIZE = 416
filenames = []
with open(INPUT_LIST_FILE, 'r') as l:
lines = l.readlines()
for line in lines:
filename = line.strip()
filenames.append(filename)
input_resolution_yolov3_HW = (INPUT_SIZE, INPUT_SIZE)
preprocessor = PreprocessYOLO(input_resolution_yolov3_HW)
postprocessor_args = {"yolo_masks": [(3, 4, 5), (0, 1, 2)],
"yolo_anchors": [(8,34), (14,60), (23,94), (39,149), (87,291), (187,472)],
"obj_threshold": 0.1,
"nms_threshold": 0.3,
"yolo_input_resolution": input_resolution_yolov3_HW}
postprocessor = PostprocessYOLO(**postprocessor_args)
output_shapes = output_shapes_dic[str(INPUT_SIZE)]
with get_engine(ENGINE_FILE_PATH) as engine, engine.create_execution_context() as context:
inputs, outputs, bindings, stream = common.allocate_buffers(engine)
for filename in filenames:
image_raw, image = preprocessor.process(filename)
shape_orig_WH = image_raw.size
trt_outputs = []
# Do inference
print('Running inference on image {}...'.format(filename))
inputs[0].host = image
c_time = 0
t1 = time.time()
trt_outputs = common.do_inference(context, bindings=bindings, inputs=inputs, outputs=outputs, stream=stream)
t2 = time.time()
c_time = t2-t1
print(c_time)
trt_outputs = [output.reshape(shape) for output, shape in zip(trt_outputs, output_shapes)]
boxes, classes, scores = postprocessor.process(trt_outputs, (shape_orig_WH))
if len(boxes) != 0:
obj_detected_img = draw_bboxes(image_raw, boxes, scores, classes, ALL_CATEGORIES)
else:
obj_detected_img = image_raw
savename_0 = filename.split('/')[-1]
savename = savename_0.split('.')[0]
output_image_path = './images_results/' + savename + '_' + str(INPUT_SIZE) + '.png'
obj_detected_img.save(output_image_path, 'PNG')
print('Saved image with bounding boxes of detected objects to {}.'.format(output_image_path))
def infer_cam():
"""Create a TensorRT engine for ONNX-based YOLOv3-608 and run inference."""
# Try to load a previously generated YOLOv3-608 network graph in ONNX format:
onnx_file_path = 'yolov3.onnx'; engine_file_path = 'yolov3.trt'
# Two-dimensional tuple with the target network's (spatial) input resolution in HW ordered
input_resolution_yolov3_HW = (608, 608)
# Output shapes expected by the post-processor
output_shapes = [(1, 255, 19, 19), (1, 255, 38, 38), (1, 255, 76, 76)]
# Create a pre-processor object by specifying the required input resolution for YOLOv3
postprocessor_args = {"yolo_masks": [(6, 7, 8), (3, 4, 5), (0, 1, 2)], # A list of 3 three-dimensional tuples for the YOLO masks
"yolo_anchors": [(10, 13), (16, 30), (33, 23), (30, 61), (62, 45), # A list of 9 two-dimensional tuples for the YOLO anchors
(59, 119), (116, 90), (156, 198), (373, 326)],
"obj_threshold": 0.6, # Threshold for object coverage, float value between 0 and 1
"nms_threshold": 0.5, # Threshold for non-max suppression algorithm, float value between 0 and 1
"yolo_input_resolution": input_resolution_yolov3_HW}
cap = cv2.VideoCapture(0)
trt_outputs = [] # Do inference with TensorRT
with get_engine(onnx_file_path, engine_file_path) as engine, engine.create_execution_context() as context:
inputs, outputs, bindings, stream = common.allocate_buffers(engine)
while True:
ret, frame = cap.read(); assert ret
# Load an image from the specified input path, and return it together with a pre-processed version
preprocessor = PreprocessYOLO(input_resolution_yolov3_HW)
image_raw, image = preprocessor.process(frame)
# Store the shape of the original input image in WH format, we will need it for later
shape_orig_WH = image_raw.size; t = time()
# Set host input to the image. The common.do_inference function will copy the input to the GPU before executing.
inputs[0].host = image
trt_outputs = common.do_inference_v2(context, bindings=bindings, inputs=inputs, outputs=outputs, stream=stream)
t = time()-t; fps = 1/t; print("infer: %.2fms, fps: %.2f" % (t*1000, fps))
# Before doing post-processing, we need to reshape the outputs as the common.do_inference will give us flat arrays.
trt_outputs = [output.reshape(shape) for output, shape in zip(trt_outputs, output_shapes)]
postprocessor = PostprocessYOLO(**postprocessor_args)
# Run the post-processing algorithms on the TensorRT outputs and get the bounding box details of detected objects
boxes, classes, scores = postprocessor.process(trt_outputs, (shape_orig_WH))
im = draw_bboxes(image_raw, boxes, scores, classes, ALL_CATEGORIES)
im = np.asarray(im)[...,::-1]
cv2.putText(im, "%.2f"%fps, (12,12), 3, 1, (0,255,0))
cv2.imshow("det",im)
if cv2.waitKey(5) == 27: break
cap.release(); cv2.destroyAllWindows()
def main():
"""
Create a TensorRT engine for ONNX-based plate_detection and run inference.
"""
# Try to load a previously generated plate_detection graph in ONNX format:
onnx_file_path = 'yolov3-tiny.onnx'
engine_file_path = 'yolov3-tiny.trt'
input_image_path = 'cat.jpg'
# Two-dimensional tuple with the target network's (spatial) input resolution in HW ordered
input_resolution_plate_detection_HW = (416, 416)
preprocessor = PreprocessYOLO(input_resolution_plate_detection_HW)
image_raw, image = preprocessor.process(input_image_path)
print(image.shape)
trt_outputs = []
with get_engine(onnx_file_path, engine_file_path
) as engine, engine.create_execution_context() as context:
inputs, outputs, bindings, stream = common.allocate_buffers(engine)
print('length of inputs is: ', len(inputs))
print('inputs[0] is: \n', inputs[0])
print('length of outputs is: ', len(outputs))
print('outputs[0] is: \n', outputs[0])
print('outputs[1] is: \n', outputs[1])
# Do inference
print('Running inference on image {}...'.format(input_image_path))
# Set host input to the image. The common.do_inference function will copy the input to the GPU before executing.
inputs[0].host = image
for inp in inputs:
print(inp.device)
print(inp.host.shape)
for i in range(100):
t1 = time.time()
trt_outputs = common.do_inference(context,
bindings=bindings,
inputs=inputs,
outputs=outputs,
stream=stream,
batch_size=1)
t2 = time.time()
print('inference cost: ', (t2 - t1) * 1000, 'ms')
print(trt_outputs[0])
print(trt_outputs[1])
def batch_show(image_path, image_save_path, onnx_file_path, engine_file_path):
img_list = gb.glob(image_path + r"/*.png")
# Two-dimensional tuple with the target network's (spatial) input resolution in HW ordered
input_resolution_yolov3_HW = (352, 352)
# Create a pre-processor object by specifying the required input resolution for YOLOv3
preprocessor = PreprocessYOLO(input_resolution_yolov3_HW)
# Create a post-processor object by specifying the required input resolution for YOLOv3
postprocessor_args = {"yolo_masks": [(0, 1, 2)], # A list of 3 three-dimensional tuples for the YOLO masks
"yolo_anchors": [(188,15), (351,16), (351,30)], # A list of 9 two-dimensional tuples for the YOLO anchors],
"obj_threshold": 0.5, # Threshold for object coverage, float value between 0 and 1
"nms_threshold": 0.2, # Threshold for non-max suppression algorithm, float value between 0 and 1
"yolo_input_resolution": input_resolution_yolov3_HW}
postprocessor = PostprocessYOLO(**postprocessor_args)
# Store the shape of the original input image in WH format, we will need it for later
shape_orig_WH = input_resolution_yolov3_HW
# Output shapes expected by the post-processor
output_shapes = [(1, 18, 11, 11)]
# Do inference with TensorRT
total_time, trt_outputs = 0, []
with get_engine(onnx_file_path, engine_file_path) as engine, engine.create_execution_context() as context:
inputs, outputs, bindings, stream = common.allocate_buffers(engine)
# Do inference
# print('Running inference on image {}...'.format(input_image_path))
# Set host input to the image. The common.do_inference function will copy the input to the GPU before executing.
for i, img_file in enumerate(img_list):
image_raw, image = preprocessor.process(img_file)
inputs[0].host = image
trt_outputs = common.do_inference(context, bindings=bindings, inputs=inputs, outputs=outputs, stream=stream)
# Before doing post-processing, we need to reshape the outputs as the common.do_inference will give us flat arrays.
trt_outputs = [output.reshape(shape) for output, shape in zip(trt_outputs, output_shapes)]
# Run the post-processing algorithms on the TensorRT outputs and get the bounding box details of detected objects
boxes, classes, scores = postprocessor.process(trt_outputs, (shape_orig_WH))
image_show = draw_bboxes(image_raw, boxes, scores, classes, ['defect'], bbox_color='yellow')
# Save the marked image
filename, suffix = os.path.split(img_file)
_, fname = os.path.splitext(filename)
save_name = os.path.join(image_save_path, fname+suffix)
image_show.save(save_name)
print("Image", save_name, "saved.")
def __init__(self, yaml_path):
# yaml_path 参数配置文件路径
with open(yaml_path, 'r', encoding='utf-8') as f:
self.param_dict = yaml.load(f, Loader=yaml.FullLoader)
# 获取engine context
self.engine = get_engine(self.param_dict['onnx_path'],
self.param_dict['engine_path'],
self.param_dict['input_shape'],
self.param_dict['int8_calibration'])
# context 执行在engine后面
self.context = self.engine.create_execution_context()
# yolo 数据预处理 PreprocessYOLO类
assert len(self.param_dict['input_shape']) == 4, "input_shape必须是4个维度"
batch, _, height, width = self.param_dict['input_shape']
self.preprocessor = PreprocessYOLO((height, width))
# 生成预先的anchor [x,y,w,h,f_w,f_h]: xy是feature_map的列行坐标，wh是anchor，f_wh是feature_map大小
self.prior_anchors = PriorBox(cfg=self.param_dict).forward()
# 一些配置
# 标签名字
self.all_categories = load_label_categories(
self.param_dict['label_file_path'])
classes_num = len(self.all_categories)
# trt输出shape
stride = self.param_dict['stride']
num_anchors = self.param_dict['num_anchors']
grid_num = (height // stride[0]) * (
width // stride[0]) * num_anchors[0] + (height // stride[1]) * (
width // stride[1]) * num_anchors[1] + (
height // stride[2]) * (width //
stride[2]) * num_anchors[2]
self.output_shapes = [(batch, grid_num, (classes_num + 5))]
self.img_formats = ['bmp', 'jpg', 'jpeg', 'png', 'tif', 'tiff',
'dng'] # acceptable image suffixes
self.vid_formats = [
'mov', 'avi', 'mp4', 'mpg', 'mpeg', 'm4v', 'wmv', 'mkv'
] # acceptable video suffixes
# yolo 后处理， yolov4将3个输出 concat在一起，[N, AHW*3, classes_num+5]，可判断yolov4原始预测 or yolov5新式预测
self.postprocessor = PostprocessYOLO(self.prior_anchors,
self.param_dict)
def main():
"""Create a TensorRT engine for ONNX-based YOLOv3-608 and run inference."""
args = parser.parse_args()
# Try to load a previously generated YOLOv3-608 network graph in ONNX format:
onnx_file_path = 'yolov3.onnx'
engine_file_path = "yolov3.trt"
cam = cv.VideoCapture(args.video)
# img = cv.imread("dog.jpg")
input_resolution_yolov3_HW = (608, 608)
preprocessor = PreprocessYOLO(input_resolution_yolov3_HW)
postprocessor_args = {"yolo_masks": [(6, 7, 8), (3, 4, 5), (0, 1, 2)],
"yolo_anchors": [(10, 13), (16, 30), (33, 23), (30, 61), (62, 45),
(59, 119), (116, 90), (156, 198), (373, 326)],
"obj_threshold": 0.6,
"nms_threshold": 0.5,
"yolo_input_resolution": input_resolution_yolov3_HW}
postprocessor = PostprocessYOLO(**postprocessor_args)
with get_engine(onnx_file_path, engine_file_path) as engine, engine.create_execution_context() as context:
inputs, outputs, bindings, stream = common.allocate_buffers(engine)
while True:
_ret, img = cam.read()
if(_ret is False):
break
image_raw, image = preprocessor.process_image(img)
shape_orig_WH = image_raw.size
output_shapes = [(1, 255, 19, 19),
(1, 255, 38, 38), (1, 255, 76, 76)]
trt_outputs = []
inputs[0].host = image
trt_outputs = common.do_inference(
context, bindings=bindings, inputs=inputs, outputs=outputs, stream=stream)
trt_outputs = [output.reshape(shape)
for output, shape in zip(trt_outputs, output_shapes)]
boxes, classes, scores = postprocessor.process(
trt_outputs, (shape_orig_WH))
if(boxes is None):
continue
obj_detected_img = draw_bboxes(
image_raw, boxes, scores, classes, ALL_CATEGORIES)
det_img = np.array(obj_detected_img)
cv.imshow("frame", det_img)
cv.waitKey(5)
class YoloTRT(object):
def __init__(self):
super().__init__()
# resolution
self.preprocessor = PreprocessYOLO((608, 608))
self.trt = TensorRT("yolov3.trt")
postprocessor_args = {"yolo_masks": [(6, 7, 8), (3, 4, 5), (0, 1, 2)],
"yolo_anchors": [(10, 13), (16, 30), (33, 23), (30, 61), (62, 45),
(59, 119), (116, 90), (156, 198), (373, 326)],
"obj_threshold": 0.6,
"nms_threshold": 0.5,
"yolo_input_resolution": (608, 608)}
self.postprocessor = PostprocessYOLO(**postprocessor_args)
# def _preprocess(self, input_array:np.ndarray) -> np.ndarray: #
# return self.preprocessor.process(input_array) # in: <NHWC> raw image batch , out: <NCHW> resized <N,3,608,608>
def _inference(self, input: np.ndarray) -> list: #
trt_outputs = self.trt.inference(input)
output_shapes = [(self.trt.max_batch_size, 255, 19, 19),
(self.trt.max_batch_size, 255, 38, 38),
(self.trt.max_batch_size, 255, 76, 76)]
trt_outputs = [output.reshape(shape) for output, shape in zip(trt_outputs, output_shapes)] # [(1, 255, 19, 19), (1, 255, 38, 38), (1, 255, 76, 76)]
return trt_outputs # in: <NCHW> <N,3,608,608>, out: [(N, 255, 19, 19), (N, 255, 38, 38), (N, 255, 76, 76)]
# def _postprocess(self, feat_batch, shape_orig_WH:tuple):
# return [[self.postprocessor.process(feat,shape_orig)]for feat, shape_orig in zip(feat_batch,shape_orig_WH)]
@profile
def inference(self, input_array:np.ndarray): # img_array <N,H,W,C>
pre = self.preprocessor.process(input_array) # in: <NHWC> raw image batch , out: <NCHW> resized <N,3,608,608>
trt_outputs = self._inference(pre) # out: [(N, 255, 19, 19), (N, 255, 38, 38), (N, 255, 76, 76)]
feat_batch = [[trt_outputs[j][i] for j in range(len(trt_outputs))] for i in range(len(trt_outputs[0]))]
post = [[self.postprocessor.process(feat,input_array.shape)]for feat in feat_batch] # out:[[bbox,score,categories,confidences],...]
post = post[:len(input_array)]
return post
filenames = [
os.path.join(FLAGS.image_filename, f)
for f in os.listdir(FLAGS.image_filename)
if os.path.isfile(os.path.join(FLAGS.image_filename, f))
]
else:
filenames = [FLAGS.image_filename]
filenames.sort()
# Preprocess the images into input data according to model
# yolov3网络的输入size，HW顺序
input_resolution_yolov3_HW = (608, 608)
# 创建一个预处理来处理任意图片，以符合yolov3的输入
preprocessor = PreprocessYOLO(input_resolution_yolov3_HW)
shape_orig_WH = []
# requirements
image_data = []
image_raws = []
for filename in filenames:
image_raw, image = preprocessor.process(filename)
image_data.append(image[0])
image_raws.append(image_raw)
shape_orig_WH.append(image_raw.size)
# Send requests of FLAGS.batch_size images. If the number of
# images isn't an exact multiple of FLAGS.batch_size then just
# start over with the first images until the batch is filled.
class Detect:
def __init__(self, yaml_path):
# yaml_path 参数配置文件路径
with open(yaml_path, 'r', encoding='utf-8') as f:
self.param_dict = yaml.load(f, Loader=yaml.FullLoader)
# 获取engine context
self.engine = get_engine(self.param_dict['onnx_path'],
self.param_dict['engine_path'],
self.param_dict['input_shape'],
self.param_dict['int8_calibration'])
# context 执行在engine后面
self.context = self.engine.create_execution_context()
# yolo 数据预处理 PreprocessYOLO类
assert len(self.param_dict['input_shape']) == 4, "input_shape必须是4个维度"
batch, _, height, width = self.param_dict['input_shape']
self.preprocessor = PreprocessYOLO((height, width))
# 生成预先的anchor [x,y,w,h,f_w,f_h]: xy是feature_map的列行坐标，wh是anchor，f_wh是feature_map大小
self.prior_anchors = PriorBox(cfg=self.param_dict).forward()
# 一些配置
# 标签名字
self.all_categories = load_label_categories(
self.param_dict['label_file_path'])
classes_num = len(self.all_categories)
# trt输出shape
stride = self.param_dict['stride']
num_anchors = self.param_dict['num_anchors']
grid_num = (height // stride[0]) * (
width // stride[0]) * num_anchors[0] + (height // stride[1]) * (
width // stride[1]) * num_anchors[1] + (
height // stride[2]) * (width //
stride[2]) * num_anchors[2]
self.output_shapes = [(batch, grid_num, (classes_num + 5))]
self.img_formats = ['bmp', 'jpg', 'jpeg', 'png', 'tif', 'tiff',
'dng'] # acceptable image suffixes
self.vid_formats = [
'mov', 'avi', 'mp4', 'mpg', 'mpeg', 'm4v', 'wmv', 'mkv'
] # acceptable video suffixes
# yolo 后处理， yolov4将3个输出 concat在一起，[N, AHW*3, classes_num+5]，可判断yolov4原始预测 or yolov5新式预测
self.postprocessor = PostprocessYOLO(self.prior_anchors,
self.param_dict)
def predict(self,
input_path='dog.jpg',
output_save_root='./output',
write_txt=False):
'''
:param input_path: 输入：单张图像路径，图像文件夹，单个视频文件路径
:param output_save_root: 要求全部保存到文件夹内，若是视频统一保存为mp4
:param write_txt: 将预测的框坐标-类别-置信度以txt保存
:return:
'''
# 开始判断图像，文件夹，视频
is_video = False
path = input_path
if os.path.isdir(path):
# 图像文件夹
img_names = os.listdir(path)
img_names = [
name for name in img_names
if name.split('.')[-1] in self.img_formats
]
elif os.path.isfile(path):
# 将 '/hme/ai/111.jpg' -> ('/hme/ai', '111.jpg')
path, img_name = os.path.split(path)
# 标记 video
if img_name.split('.')[-1] in self.vid_formats:
is_video = True
else:
assert img_name.split('.')[-1] in self.img_formats, "必须是单张图像路径"
img_names = [img_name]
else:
print("输入无效！！！" * 3)
# 创建保存文件夹
check_path(output_save_root)
# 判断是否是视频
if is_video:
assert img_name.count('.') == 1, "视频名字必须只有1个 . "
# 读取视频
cap = cv2.VideoCapture(os.path.join(path, img_name))
# # 获取视频的fps， width height
fps = int(cap.get(cv2.CAP_PROP_FPS))
width = int(cap.get(cv2.CAP_PROP_FRAME_WIDTH))
height = int(cap.get(cv2.CAP_PROP_FRAME_HEIGHT))
num = int(cap.get(cv2.CAP_PROP_FRAME_COUNT)) # 视频总帧数
# 创建视频
video_save_path = os.path.join(
output_save_root,
img_name.split('.')[0] + '_pred.mp4')
fourcc = cv2.VideoWriter_fourcc(*'mp4v')
video_writer = cv2.VideoWriter(video_save_path,
fourcc=fourcc,
fps=fps,
frameSize=(width, height))
else:
num = len(img_names) # 图像数量
# 推理 默认是0卡
inputs, outputs, bindings, stream = common.allocate_buffers(
self.engine)
# Do inference
for i in range(num):
# 预处理
if is_video:
cap.set(cv2.CAP_PROP_POS_FRAMES, i) # 读取指定帧
image = cap.read()
# 输入的是bgr帧矩阵
image_raw, image = self.preprocessor.process(image)
else:
# 输入的默认是图像路径
image_raw, image = self.preprocessor.process(
os.path.join(path, img_names[i]))
# Set host input to the image. The common.do_inference function will copy the input to the GPU before executing.
inputs[0].host = image
trt_outputs = common.do_inference_v2(self.context,
bindings=bindings,
inputs=inputs,
outputs=outputs,
stream=stream)
# list中的输出个数，本来要位于外面一层的，但是考虑重新输入图像
trt_outputs = [
output.reshape(shape)
for output, shape in zip(trt_outputs, self.output_shapes)
]
# 后处理，按照2种方式判断处理，yolov4原始的预测-参考yolov5变化后的预测
# 图像原始尺寸 WH，因为时PIL读取
shape_orig_WH = image_raw.size
# 后处理是可以处理batch>=1的，但是这里的类写的只能是batch=1
outputs_pred = self.postprocessor.process(trt_outputs,
shape_orig_WH)
# TODO 将预测的框坐标-类别-置信度 写入txt
# 画框，由于这里只能是单张图像，因此不必for遍历
boxes, classes, scores = outputs_pred[0][0]
obj_detected_img = draw_bboxes(image_raw, boxes, scores, classes,
self.all_categories)
# 视频按照帧数来保存，图像按照名字保存, 注意一般视频不会超过5位数
# TODO 视频的预测写入视频
if is_video:
obj_detected_img.save(
os.path.join(output_save_root,
str(i).zfill(5)))
else:
obj_detected_img.save(
os.path.join(output_save_root, img_names[i]))
# 若是视频，需要 release
if is_video:
cap.release()
cv2.destroyAllWindows()
def read_queue(queue):
# 3.load model
# initialize
TRT_LOGGER = trt.Logger(trt.Logger.INFO)
trt.init_libnvinfer_plugins(TRT_LOGGER, '')
runtime = trt.Runtime(TRT_LOGGER)
# create engine
with open('model.bin', 'rb') as f:
buf = f.read()
engine = runtime.deserialize_cuda_engine(buf)
# create buffer
host_inputs = []
cuda_inputs = []
host_outputs = []
cuda_outputs = []
bindings = []
stream = cuda.Stream()
for binding in engine:
size = trt.volume(engine.get_binding_shape(binding)) * engine.max_batch_size
host_mem = cuda.pagelocked_empty(size, np.float32)
cuda_mem = cuda.mem_alloc(host_mem.nbytes)
bindings.append(int(cuda_mem))
if engine.binding_is_input(binding):
host_inputs.append(host_mem)
cuda_inputs.append(cuda_mem)
else:
host_outputs.append(host_mem)
cuda_outputs.append(cuda_mem)
context = engine.create_execution_context()
batch_size = 1
input_size = 416
output_shapes_416 = [(batch_size, 54, 13, 13), (batch_size, 54, 26, 26), (batch_size, 54, 52, 52)]
output_shapes_480 = [(batch_size, 54, 15, 15), (batch_size, 54, 30, 30), (batch_size, 54, 60, 60)]
output_shapes_544 = [(batch_size, 54, 17, 17), (batch_size, 54, 34, 34), (batch_size, 54, 68, 68)]
output_shapes_608 = [(batch_size, 54, 19, 19), (batch_size, 54, 38, 38), (batch_size, 54, 72, 72)]
output_shapes_dic = {'416': output_shapes_416, '480': output_shapes_480, '544': output_shapes_544, '608': output_shapes_608}
output_shapes = output_shapes_dic[str(input_size)]
input_resolution_yolov3_HW = (input_size, input_size)
preprocessor = PreprocessYOLO(input_resolution_yolov3_HW)
postprocessor_args = {"yolo_masks": [(6, 7, 8), (3, 4, 5), (0, 1, 2)],
"yolo_anchors": [(4,7), (7,15), (13,25), (25,42), (41,67), (75,94), (91,162), (158,205), (250,332)],
"obj_threshold": 0.5,
"nms_threshold": 0.35,
"yolo_input_resolution": input_resolution_yolov3_HW}
postprocessor = PostprocessYOLO(**postprocessor_args)
inputs, outputs, bindings, stream = allocate_buffers(engine)
print('3.Load model successful.')
print('Everything is ready.')
num = 0
while cap.isOpened() and ser.isOpen():
if queue.empty():
continue
frame = queue.get()
images = []
image_raw, image = preprocessor.process(frame)
images.append(image)
num = num + 1
images_batch = np.concatenate(images, axis=0)
inputs[0].host = images_batch
#t1 = time.time()
trt_outputs = do_inference(context, bindings=bindings, inputs=inputs, outputs=outputs, stream=stream, batch_size=batch_size)
trt_outputs = [output.reshape(shape) for output, shape in zip(trt_outputs, output_shapes)]
shape_orig_WH = image_raw.size
boxes, classes, scores = postprocessor.process(trt_outputs, (shape_orig_WH), 0)
#t2 = time.time()
#t_inf = t2 - t1
#print("time consumption:",t_inf)
print(boxes, scores, classes)
images.clear()
if np.all(scores == 0):
ser.write("h".encode("utf-8"))
print('exception.')
continue
index = np.nonzero(classes)
label = classes[index[0]]
cv2.imwrite('tmp/'+str(num)+'.jpg', frame)
if label == 0:
ser.write("c".encode("utf-8"))
print('plate front.')
elif label == 1:
ser.write("d".encode("utf-8"))
print('plate back.')
elif label == 2:
ser.write("f".encode("utf-8"))
print('bowl front.')
elif label == 3:
ser.write("e".encode("utf-8"))
print('bowl back.')
elif label == 4:
ser.write("g".encode("utf-8"))
print('glass cup side.')
elif label == 5:
ser.write("g".encode("utf-8"))
print('glass cup back.')
elif label == 6:
ser.write("g".encode("utf-8"))
print('glass cup front.')
elif label == 7:
ser.write("i".encode("utf-8"))
print('teacup side.')
elif label == 8:
ser.write("j".encode("utf-8"))
print('teacup back.')
elif label == 9:
ser.write("k".encode("utf-8"))
print('teacup front.')
elif label == 10:
ser.write("g".encode("utf-8"))
print('cup side.')
elif label == 11:
ser.write("g".encode("utf-8"))
print('cup back.')
elif label == 12:
ser.write("g".encode("utf-8"))
print('cup front.')
else:
ser.write("h".encode("utf-8"))
print('exception.')
import common,cv2
anchors = np.array([(10,14), (23,27), (37,58), (81,82), (135,169), (344,319)])
classes_num = 80
score_threshold = 0.5
output_shapes = [(1, 255, 13, 13), (1, 255, 26, 26), (1, 255, 52, 52)]
input_resolution_yolov3_HW = (416, 416)
postprocessor_args = {"yolo_masks": [(6, 7, 8), (3, 4, 5), (0, 1, 2)], # A list of 3 three-dimensional tuples for the YOLO masks
"yolo_anchors": [(10, 13), (16, 30), (33, 23), (30, 61), (62, 45), # A list of 9 two-dimensional tuples for the YOLO anchors
(59, 119), (116, 90), (156, 198), (373, 326)],
"obj_threshold": 0.6, # Threshold for object coverage, float value between 0 and 1
"nms_threshold": 0.2, # Threshold for non-max suppression algorithm, float value between 0 and 1
"yolo_input_resolution": input_resolution_yolov3_HW}
preprocessor = PreprocessYOLO(input_resolution_yolov3_HW)
postprocessor = PostprocessYOLO(**postprocessor_args)
def draw_bboxes(image_raw, bboxes, confidences, categories, all_categories, bbox_color='blue'):
"""Draw the bounding boxes on the original input image and return it.
Keyword arguments:
image_raw -- a raw PIL Image
bboxes -- NumPy array containing the bounding box coordinates of N objects, with shape (N,4).
categories -- NumPy array containing the corresponding category for each object,
with shape (N,)
confidences -- NumPy array containing the corresponding confidence for each object,
with shape (N,)
all_categories -- a list of all categories in the correct ordered (required for looking up
def main():
"""Create a TensorRT engine for ONNX-based YOLOv3-608 and run inference."""
parser = argparse.ArgumentParser(
prog='ONNX to TensorRT conversion',
description='Convert the Yolo ONNX model to TensorRT')
parser.add_argument('--input_size', help='Input size model', default='416')
parser.add_argument('--onnx_file_path',
help='ONNX model\'s path (.onnx)',
default='../../model_data/Suspect/yolov3-suspect.onnx')
parser.add_argument('--engine_file_path',
help='TensorRT engine\'s path (.trt)',
default='trt_model/yolov3-suspect_2_fp32.trt')
parser.add_argument('--num_classes', help='Number of classes', default='3')
parser.add_argument('--dataset_path',
help='Path of the folder Dataset',
default='../../Datasets/Suspect/images-416/')
parser.add_argument(
'--pred_dataset_path',
help='Output path of Yolo predictions',
default='../../Datasets/Suspect/Predictions/TensorRT/Yolo-Tiny-128/')
parser.add_argument(
'--result_images_path',
help='Path of images with predict bounding box',
default='../../Datasets/Suspect/Images_result/TensorRT/Yolo-Tiny-128/')
args = parser.parse_args()
input_size = int(args.input_size)
onnx_file_path = args.onnx_file_path
engine_file_path = args.engine_file_path
num_classes = int(args.num_classes)
test_dataset_path = args.dataset_path
save_path = args.result_images_path
pred_dataset_path = args.pred_dataset_path
fp16_on = False
batch_size = 2
filters = (4 + 1 + num_classes) * 3
output_shapes_416 = [
(batch_size, filters, 13, 13), (batch_size, filters, 26, 26)
] # 2 ème variable = (5+nbr classes)*3 (255 pour coco, 33 pour key,...)
output_shapes_480 = [(batch_size, filters, 15, 15),
(batch_size, filters, 30, 30)]
output_shapes_544 = [(batch_size, filters, 17, 17),
(batch_size, filters, 34, 34)]
output_shapes_608 = [(batch_size, filters, 19, 19),
(batch_size, filters, 38, 38)]
output_shapes_dic = {
'416': output_shapes_416,
'480': output_shapes_480,
'544': output_shapes_544,
'608': output_shapes_608
}
filenames = glob.glob(os.path.join(test_dataset_path, '*.jpg'))
nums = len(filenames)
input_resolution_yolov3_HW = (input_size, input_size)
preprocessor = PreprocessYOLO(input_resolution_yolov3_HW)
output_shapes = output_shapes_dic[str(input_size)]
postprocessor_args = { #"yolo_masks": [(3, 4, 5), (0, 1, 2)], #tiny
"yolo_masks": [(6, 7, 8), (3, 4, 5), (0, 1, 2)],
#"yolo_anchors": [(10,14), (23,27), (37,58), (81,82), (135,169), (344,319)], #tiny-yolov3
"yolo_anchors": [(10, 13), (16, 30), (33, 23), (30, 61), (62, 45),
(59, 119), (116, 90), (156, 198),
(373, 326)], #YoloV3
"obj_threshold":
0.5,
"nms_threshold":
0.35,
"yolo_input_resolution":
input_resolution_yolov3_HW
}
postprocessor = PostprocessYOLO(**postprocessor_args)
# Do inference with TensorRT
filenames_batch = []
images = []
images_raw = []
trt_outputs = []
index = 0
moy_inf_time = 0
moy = 0
with get_engine(onnx_file_path, batch_size, fp16_on, engine_file_path
) as engine, engine.create_execution_context() as context:
# inputs, outputs, bindings, stream = common.allocate_buffers(engine)
# Do inference
for filename in filenames:
#print("Path file : ", filename)
#path = filename.split('.')[4]
#path2 = path.split('/')[4]
#print("PATH: ", path2)
#name_ann = os.path.join(pred_dataset_path, path2)
#annotation_path = name_ann + '.txt'
#print("ANNOTATION : ", annotation_path)
filenames_batch.append(filename)
'''if os.path.isfile(annotation_path) == True :
os.remove(annotation_path)
print("Delete !")'''
image_raw, image = preprocessor.process(filename)
images_raw.append(image_raw)
images.append(image)
index += 1
if index != nums and len(images_raw) != batch_size:
continue
inputs, outputs, bindings, stream = common.allocate_buffers(engine)
images_batch = np.concatenate(images, axis=0)
inputs[0].host = images_batch
t1 = time.time()
trt_outputs = common.do_inference(context,
bindings=bindings,
inputs=inputs,
outputs=outputs,
stream=stream,
batch_size=batch_size)
t2 = time.time()
t_inf = int(round((t2 - t1) * 1000))
#print("Inf time : ",t_inf)
moy_inf_time += t_inf
#print("MOY : ", moy)
print(len(trt_outputs))
trt_outputs = [
output.reshape(shape)
for output, shape in zip(trt_outputs, output_shapes)
]
for i in range(len(filenames_batch)):
fname = filenames_batch[i].split('/')
fname = fname[-1].split('.')[0]
print(fname)
name_ann = os.path.join(pred_dataset_path, fname)
annotation_path = name_ann + '.txt'
#print("ANNOTATION : ", annotation_path)
if os.path.isfile(annotation_path) == True:
os.remove(annotation_path)
print("Delete !")
img_raw = images_raw[i]
#print(img_raw)
shape_orig_WH = img_raw.size
print("SHAPE : ", shape_orig_WH)
boxes, classes, scores = postprocessor.process(
trt_outputs, (shape_orig_WH), i)
if boxes is not None:
print("boxes size:", len(boxes))
else:
continue
# Draw the bounding boxes onto the original input image and save it as a PNG file
obj_detected_img = draw_bboxes(img_raw, boxes, scores, classes,
ALL_CATEGORIES, annotation_path)
output_image_path = save_path + fname + '_' + str(
input_size) + '_bboxes.png'
obj_detected_img.save(output_image_path, 'PNG')
print(
'Saved image with bounding boxes of detected objects to {}.'
.format(output_image_path))
filenames_batch = []
images_batch = []
images = []
images_raw = []
trt_outputs = []
print(len(filenames))
moy_inf_time = moy_inf_time / len(filenames)
print("Moyenne temps d'inférence (par image) : ", moy_inf_time, "ms")
fps = 1 / moy_inf_time * 1000
print("FPS : ", fps)
def main():
"""Create a TensorRT engine for ONNX-based YOLOv3-608 and run inference."""
# Try to load a previously generated YOLOv3-608 network graph in ONNX format:
onnx_file_path = 'yolov3-608.onnx'
engine_file_path = "yolov3-608.trt"
input_image_path = "./images/b.jpg"
# Two-dimensional tuple with the target network's (spatial) input resolution in HW ordered
input_resolution_yolov3_HW = (608, 608)
# Create a pre-processor object by specifying the required input resolution for YOLOv3
preprocessor = PreprocessYOLO(input_resolution_yolov3_HW)
# Load an image from the specified input path, and return it together with a pre-processed version
image_raw, image = preprocessor.process(input_image_path)
# Store the shape of the original input image in WH format, we will need it for later
shape_orig_WH = image_raw.size
# Output shapes expected by the post-processor
output_shapes = [(1, 255, 19, 19), (1, 255, 38, 38), (1, 255, 76, 76)]
# output_shapes = [(1, 255, 13, 13), (1, 255, 26, 26), (1, 255, 52, 52)]
# Do inference with TensorRT
trt_outputs = []
a = torch.cuda.FloatTensor()
average_inference_time = 0
average_yolo_time = 0
counter = 10
with get_engine(onnx_file_path, engine_file_path
) as engine, engine.create_execution_context() as context:
inputs, outputs, bindings, stream = common.allocate_buffers(engine)
while counter:
# Do inference
print('Running inference on image {}...'.format(input_image_path))
# Set host input to the image. The common.do_inference function will copy the input to the GPU before executing.
inference_start = time.time()
inputs[0].host = image
trt_outputs = common.do_inference(context,
bindings=bindings,
inputs=inputs,
outputs=outputs,
stream=stream)
inference_end = time.time()
inference_time = inference_end - inference_start
average_inference_time = average_inference_time + inference_time
print('inference time : %f' % (inference_end - inference_start))
# Do yolo_layer with pytorch
inp_dim = 608
num_classes = 80
CUDA = True
yolo_anchors = [[(116, 90), (156, 198), (373, 326)],
[(30, 61), (62, 45), (59, 119)],
[(10, 13), (16, 30), (33, 23)]]
write = 0
yolo_start = time.time()
for output, shape, anchors in zip(trt_outputs, output_shapes,
yolo_anchors):
output = output.reshape(shape)
trt_output = torch.from_numpy(output).cuda()
trt_output = trt_output.data
trt_output = predict_transform(trt_output, inp_dim, anchors,
num_classes, CUDA)
if type(trt_output) == int:
continue
if not write:
detections = trt_output
write = 1
else:
detections = torch.cat((detections, trt_output), 1)
dets = dynamic_write_results(detections,
0.5,
num_classes,
nms=True,
nms_conf=0.45) #0.008
yolo_end = time.time()
yolo_time = yolo_end - yolo_start
average_yolo_time = average_yolo_time + yolo_time
print('yolo time : %f' % (yolo_end - yolo_start))
print('all time : %f' % (yolo_end - inference_start))
counter = counter - 1
average_yolo_time = average_yolo_time / 10
average_inference_time = average_inference_time / 10
print("--------------------------------------------------------")
print('average yolo time : %f' % (average_yolo_time))
print('average inference time : %f' % (average_inference_time))
print("--------------------------------------------------------")
def main(width=608, height=608, batch_size=1, dataset='coco_label.txt', int8mode=False, calib_file='yolo_calibration.cache',
onnx_file='yolov3.onnx', engine_file='yolov3.trt', image_file='dog.jpg', result_file='dog_bboxes.png'):
"""Load labels of the correspond dataset."""
label_file_path = os.path.join(os.path.dirname(os.path.realpath(__file__)), dataset)
all_categories = load_label_categories(label_file_path)
classes = len(all_categories)
"""Create a TensorRT engine for ONNX-based YOLOv3-608 and run inference."""
# Try to load a previously generated YOLOv3-608 network graph in ONNX format:
onnx_file_path = onnx_file
engine_file_path = engine_file
# Download a dog image and save it to the following file path:
input_image_path = image_file
# Two-dimensional tuple with the target network's (spatial) input resolution in HW ordered
input_resolution_yolov3_HW = (height, width)
# Create a pre-processor object by specifying the required input resolution for YOLOv3
preprocessor = PreprocessYOLO(input_resolution_yolov3_HW)
# Load an image from the specified input path, and return it together with a pre-processed version
image_raw, image = preprocessor.process(input_image_path, batch_size)
# Store the shape of the original input image in WH format, we will need it for later
shape_orig_WH = image_raw.size
# Output shapes expected by the post-processor
output_shapes = [(batch_size, (classes + 5) * 3, height // 32, width // 32),
(batch_size, (classes + 5) * 3, height // 16, width // 16),
(batch_size, (classes + 5) * 3, height // 8, width // 8)]
# Do inference with TensorRT
with get_engine(onnx_file_path, width, height, batch_size, engine_file_path, int8mode, calib_file) as engine, \
engine.create_execution_context() as context:
start = time.time()
inputs, outputs, bindings, stream = common.allocate_buffers(engine)
# Do inference
print('Running inference on image {}...'.format(input_image_path))
# Set host input to the image. The common.do_inference function will copy the input to the GPU before executing.
inputs[0].host = image
trt_outputs = common.do_inference(context, bindings=bindings, inputs=inputs, outputs=outputs, stream=stream)
end = time.time()
print("Inference costs %.03f sec." % (end - start))
# Before doing post-processing, we need to reshape the outputs as the common.do_inference will give us flat arrays.
trt_outputs = [output.reshape(shape) for output, shape in zip(trt_outputs, output_shapes)]
postprocessor_args = {"yolo_masks": [(6, 7, 8), (3, 4, 5), (0, 1, 2)], # A list of 3 three-dimensional tuples for the YOLO masks
"yolo_anchors": [(10, 13), (16, 30), (33, 23), (30, 61), (62, 45), # A list of 9 two-dimensional tuples for the YOLO anchors
(59, 119), (116, 90), (156, 198), (373, 326)],
"obj_threshold": 0.6, # Threshold for object coverage, float value between 0 and 1
"nms_threshold": 0.5, # Threshold for non-max suppression algorithm, float value between 0 and 1
"yolo_input_resolution": input_resolution_yolov3_HW}
postprocessor = PostprocessYOLO(**postprocessor_args)
# Run the post-processing algorithms on the TensorRT outputs and get the bounding box details of detected objects
trt_outputs_1 = [np.expand_dims(trt_outputs[0][0], axis=0),
np.expand_dims(trt_outputs[1][0], axis=0),
np.expand_dims(trt_outputs[2][0], axis=0)]
boxes, classes, scores = postprocessor.process(trt_outputs_1, (shape_orig_WH), classes)
# Draw the bounding boxes onto the original input image and save it as a PNG file
obj_detected_img = draw_bboxes(image_raw, boxes, scores, classes, all_categories)
output_image_path = result_file
obj_detected_img.save(output_image_path, 'PNG')
print('Saved image with bounding boxes of detected objects to {}.'.format(output_image_path))
def _preprocess(self):
start = timer()
# Create a pre-processor object by specifying the required input resolution for YOLOv3
preprocessor = PreprocessYOLO(self.input_resolution)
# Load an image from the specified input path, and return it together with a pre-processed version
return preprocessor.process(self.raw_image)
def main():
"""Create a TensorRT engine for ONNX-based YOLOv3-608 and run inference."""
# Try to load a previously generated YOLOv3-608 network graph in ONNX format:
input_size = 608
batch_size = 1
fp16_on = True
onnx_file_path = 'ped3_' + str(input_size) + '_' + str(batch_size) + '.onnx'
engine_file_path = 'ped3_' + str(input_size) + '_' + str(batch_size) + '.trt'
input_file_list = './ped_list.txt'
IMAGE_PATH = './images/'
save_path = './img_re/'
output_shapes_416 = [(batch_size, 18, 13, 13), (batch_size, 18, 26, 26)]
output_shapes_480 = [(batch_size, 18, 15, 15), (batch_size, 18, 30, 30)]
output_shapes_544 = [(batch_size, 18, 17, 17), (batch_size, 18, 34, 34)]
output_shapes_608 = [(batch_size, 18, 19, 19), (batch_size, 18, 38, 38)]
output_shapes_dic = {'416': output_shapes_416, '480': output_shapes_480, '544': output_shapes_544, '608': output_shapes_608}
with open(input_file_list, 'r') as f:
filenames = []
for line in f.readlines():
filenames.append(line.strip())
# filenames = glob.glob(os.path.join(IMAGE_PATH, '*.jpg'))
nums = len(filenames)
# print(filenames)
input_resolution_yolov3_HW = (input_size, input_size)
preprocessor = PreprocessYOLO(input_resolution_yolov3_HW)
output_shapes = output_shapes_dic[str(input_size)]
postprocessor_args = {"yolo_masks": [(3, 4, 5), (0, 1, 2)],
"yolo_anchors": [(8,34), (14,60), (23,94), (39,149), (87,291), (187,472)],
"obj_threshold": 0.1,
"nms_threshold": 0.3,
"yolo_input_resolution": input_resolution_yolov3_HW}
postprocessor = PostprocessYOLO(**postprocessor_args)
# Do inference with TensorRT
filenames_batch = []
images = []
images_raw = []
trt_outputs = []
index = 0
with get_engine(onnx_file_path, batch_size, fp16_on, engine_file_path) as engine, engine.create_execution_context() as context:
# inputs, outputs, bindings, stream = common.allocate_buffers(engine)
# Do inference
for filename in filenames:
filenames_batch.append(filename)
image_raw, image = preprocessor.process(filename)
images_raw.append(image_raw)
images.append(image)
index += 1
if index != nums and len(images_raw) != batch_size:
continue
inputs, outputs, bindings, stream = common.allocate_buffers(engine)
images_batch = np.concatenate(images, axis=0)
inputs[0].host = images_batch
t1 = time.time()
trt_outputs = common.do_inference(context, bindings=bindings, inputs=inputs, outputs=outputs, stream=stream, batch_size=batch_size)
t2 = time.time()
t_inf = t2 - t1
print(t_inf)
print(len(trt_outputs))
trt_outputs = [output.reshape(shape) for output, shape in zip(trt_outputs, output_shapes)]
print('test')
for i in range(len(filenames_batch)):
fname = filenames_batch[i].split('/')
fname = fname[-1].split('.')[0]
img_raw = images_raw[i]
shape_orig_WH = img_raw.size
boxes, classes, scores = postprocessor.process(trt_outputs, (shape_orig_WH), i)
# Draw the bounding boxes onto the original input image and save it as a PNG file
obj_detected_img = draw_bboxes(img_raw, boxes, scores, classes, ALL_CATEGORIES)
output_image_path = save_path + fname + '_' + str(input_size) + '_bboxes.png'
obj_detected_img.save(output_image_path, 'PNG')
print('Saved image with bounding boxes of detected objects to {}.'.format(output_image_path))
filenames_batch = []
images_batch = []
images = []
images_raw = []
trt_outputs = []
def main():
"""Create a TensorRT engine for ONNX-based YOLOv3-608 and run inference."""
# Try to load a previously generated YOLOv3-608 network graph in ONNX format:
input_size = 416
batch_size = 1
fp16_on = False
onnx_file_path = '../../model_data/Suspect/yolov3-tiny-suspect.onnx'
engine_file_path = 'trt_model/yolov3-tiny-suspect_1_fp32.trt'
num_classes = 3
filters = (4 + 1 + num_classes) * 3
output_shapes_416 = [
(batch_size, filters, 13, 13), (batch_size, filters, 26, 26)
] # 2 ème variable = (5+nbr classes)*3 (255 pour coco, 33 pour key,...)
output_shapes_480 = [(batch_size, filters, 15, 15),
(batch_size, filters, 30, 30)]
output_shapes_544 = [(batch_size, filters, 17, 17),
(batch_size, filters, 34, 34)]
output_shapes_608 = [(batch_size, filters, 19, 19),
(batch_size, filters, 38, 38)]
output_shapes_dic = {
'416': output_shapes_416,
'480': output_shapes_480,
'544': output_shapes_544,
'608': output_shapes_608
}
font = cv2.FONT_HERSHEY_SIMPLEX
cap = cv2.VideoCapture("../../Datasets/test_suspect.mp4")
#cap.set(cv2.CAP_PROP_FRAME_WIDTH,640)
#cap.set(cv2.CAP_PROP_FRAME_HEIGHT,360) #don't work on files
print("Width : ", int(cap.get(cv2.CAP_PROP_FRAME_WIDTH)))
print("Height : ", int(cap.get(cv2.CAP_PROP_FRAME_HEIGHT)))
fps_display_interval = 5 # seconds
frame_rate = 0
frame_count = 0
frame_rate_tab = []
start_time = time.time()
nums = 1000000
input_resolution_yolov3_HW = (input_size, input_size)
preprocessor = PreprocessYOLO(input_resolution_yolov3_HW)
postprocessor_args = {
"yolo_masks": [(3, 4, 5), (0, 1, 2)],
#"yolo_masks": [(6,7,8), (3, 4, 5), (0, 1, 2)],
"yolo_anchors": [(10, 14), (23, 27), (37, 58), (81, 82), (135, 169),
(344, 319)], #tiny-yolov3-416
#"yolo_anchors": [(10,13), (16,30), (33,23), (30,61), (62,45), (59,119), (116,90), (156,198), (373,326)],
"obj_threshold":
0.5,
"nms_threshold":
0.35,
"yolo_input_resolution":
input_resolution_yolov3_HW
}
postprocessor = PostprocessYOLO(**postprocessor_args)
# Do inference with TensorRT
filenames_batch = []
images = []
images_raw = []
trt_outputs = []
index = 0
with get_engine(onnx_file_path, batch_size, fp16_on, engine_file_path
) as engine, engine.create_execution_context() as context:
# Do inference
while (True):
ret, frame = cap.read()
if ret == True:
frame_rsz = cv2.resize(frame,
input_resolution_yolov3_HW,
interpolation=cv2.INTER_AREA)
frame_stream = cv2.resize(frame, (640, 360),
interpolation=cv2.INTER_AREA)
filenames_batch.append(frame_stream)
image_raw, image = preprocessor.process_frame(frame_stream)
images_raw.append(image_raw)
images.append(image)
index += 1
if index != nums and len(images_raw) != batch_size:
continue
inputs, outputs, bindings, stream = common.allocate_buffers(
engine)
images_batch = np.concatenate(images, axis=0)
shape_orig_WH = image_raw.size
output_shapes = output_shapes_dic[str(input_size)]
inputs[0].host = images_batch
trt_outputs = common.do_inference(context,
bindings=bindings,
inputs=inputs,
outputs=outputs,
stream=stream,
batch_size=batch_size)
trt_outputs = [
output.reshape(shape)
for output, shape in zip(trt_outputs, output_shapes)
]
for i in range(len(filenames_batch)):
boxes, classes, scores = postprocessor.process_frame2(
trt_outputs, (shape_orig_WH), i)
end_time = time.time()
if (end_time - start_time) > fps_display_interval:
frame_rate = int(frame_count / (end_time - start_time))
frame_rate_tab.append(frame_rate)
start_time = time.time()
frame_count = 0
frame_count += 1
if boxes is None:
det_img = frame_stream
else:
obj_detected_img = draw_bboxes(image_raw, boxes,
scores, classes,
ALL_CATEGORIES)
det_img = np.array(obj_detected_img)
cv2.putText(det_img,
str(frame_rate) + " fps", (500, 50),
font,
1, (255, 0, 0),
thickness=3,
lineType=2)
cv2.imshow("frame", det_img)
filenames_batch = []
images_batch = []
images = []
images_raw = []
trt_outputs = []
else:
break
if cv2.waitKey(1) & 0xFF == ord('q'):
break
print(frame_rate_tab)
moy_FPS = np.mean(frame_rate_tab)
print("FPS min : ", min(frame_rate_tab))
print("FPS max : ", max(frame_rate_tab))
print("FPS moyen :", moy_FPS)
cap.release()
cv2.destroyAllWindows()
def myinfer(image, context, inputs, outputs, bindings, stream):
# Two-dimensional tuple with the target network's (spatial) input resolution in HW ordered
input_resolution_yolov3_HW = (416, 416)
# Create a pre-processor object by specifying the required input resolution for YOLOv3
preprocessor = PreprocessYOLO(input_resolution_yolov3_HW)
# Load an image from the specified input path, and return it together with a pre-processed version
image_raw, image = preprocessor.process(image)
# Store the shape of the original input image in WH format, we will need it for later
shape_orig_HW = image_raw.shape[:2]
H, W = shape_orig_HW
# Output shapes expected by the post-processor
output_shapes = [(1, 255, 13, 13), (1, 255, 26, 26)]
# Do inference with TensorRT
trt_outputs = []
# Set host input to the image. The common.do_inference function will copy the input to the GPU before executing.
inputs[0].host = image
trt_outputs = common.do_inference(context,
bindings=bindings,
inputs=inputs,
outputs=outputs,
stream=stream)
# Before doing post-processing, we need to reshape the outputs as the common.do_inference will give us flat arrays.
trt_outputs = [
output.reshape(shape)
for output, shape in zip(trt_outputs, output_shapes)
]
postprocessor_args = {
"yolo_masks":
[(6, 7, 8), (3, 4, 5),
(0, 1, 2)], # A list of 3 three-dimensional tuples for the YOLO masks
"yolo_anchors": [
(10, 13),
(16, 30),
(33, 23),
(30, 61),
(62,
45), # A list of 9 two-dimensional tuples for the YOLO anchors
(59, 119),
(116, 90),
(156, 198),
(373, 326)
],
"obj_threshold":
0.6, # Threshold for object coverage, float value between 0 and 1
"nms_threshold":
0.2, # Threshold for non-max suppression algorithm, float value between 0 and 1
"yolo_input_resolution":
input_resolution_yolov3_HW
}
postprocessor = PostprocessYOLO(**postprocessor_args)
# Run the post-processing algorithms on the TensorRT outputs and get the bounding box details of detected objects
boxes, classes, scores = postprocessor.process(trt_outputs,
(shape_orig_HW))
# print(boxes,classes,scores)
# Draw the bounding boxes onto the original input image and save it as a PNG file
if boxes is not None:
obj_detected_img = draw_bboxes(image_raw, boxes, scores, classes,
ALL_CATEGORIES)
output_image_path = 'dog_bboxes.png'
cv2.imshow("test", obj_detected_img)
if boxes is not None:
boxes[:, 0] = boxes[:, 0] / W
boxes[:, 1] = boxes[:, 1] / H
boxes[:, 2] = boxes[:, 2] / W
boxes[:, 3] = boxes[:, 3] / H
return boxes, classes, scores
def main():
"""Create a TensorRT engine for ONNX-based YOLOv3-608 and run inference."""
onnx_file_path = 'yolov3.onnx'
engine_file_path = 'yolo_in8.trt'
cfg_file_path = "yolov3.cfg"
input_image_path = download_file(
'dog.jpg',
'https://github.com/pjreddie/darknet/raw/f86901f6177dfc6116360a13cc06ab680e0c86b0/data/dog.jpg',
checksum_reference=None)
# Two-dimensional tuple with the target network's (spatial) input resolution in HW ordered
input_resolution_yolov3_HW = (608, 608)
# Create a pre-processor object by specifying the required input resolution for YOLOv3
preprocessor = PreprocessYOLO(input_resolution_yolov3_HW)
# Load an image from the specified input path, and return it together with a pre-processed version
image_raw, image = preprocessor.process(input_image_path)
# Store the shape of the original input image in WH format, we will need it for later
shape_orig_WH = image_raw.size
# Output shapes
output_shapes = [(1, 255, 19, 19), (1, 255, 38, 38), (1, 255, 76, 76)]
middle_output_shapes = []
# calibrator definition
calibration_dataset_loc = "calibration_dataset/"
calibration_cache = "yolo_calibration.cache"
calib = calibra.PythonEntropyCalibrator(calibration_dataset_loc,
cache_file=calibration_cache)
# define the layer output you want to visualize
output_layer_name = [
"001_convolutional", "002_convolutional", "003_convolutional",
"005_shortcut", "006_convolutional"
]
# get filter number of defined layer name
filter_num = get_filter_num(cfg_file_path, output_layer_name)
# Do inference with TensorRT
trt_outputs = []
with build_int8_engine(
onnx_file_path, calib, cfg_file_path, output_layer_name,
engine_file_path) as engine, engine.create_execution_context(
) as context:
start = time.time()
inputs, outputs, bindings, stream = common.allocate_buffers(engine)
# Do inference
print('Running inference on image {}...'.format(input_image_path))
# Set host input to the image. The common.do_inference function will copy the input to the GPU before executing.
# if batch size != 1 you can use load_random_batch to do test inference, here I just use 1 image as test set
# inputs[0].host = load_random_batch(calib)
inputs[0].host = image
trt_outputs = common.do_inference(context,
bindings=bindings,
inputs=inputs,
outputs=outputs,
stream=stream,
batch_size=1)
# Before doing post-processing, we need to reshape the outputs as the common.do_inference will give us flat arrays.
end = time.time()
print("Inference costs %.02f sec." % (end - start))
for i, output in enumerate(trt_outputs[:len(filter_num)]):
# length of inference output should be filter_num*h*h
if "convolutional" in output_layer_name[i]:
h = int(math.sqrt(output.shape[0] / filter_num[i]))
w = h
else:
h = int(math.sqrt(output.shape[0] / filter_num[i] / 2))
w = 2 * h
middle_output_shapes.append((1, filter_num[i], w, h))
# reshape
middle_output = [
output.reshape(shape) for output, shape in zip(
trt_outputs[:len(filter_num)], middle_output_shapes)
]
# save middle output as grey image
for name, output in zip(output_layer_name, middle_output):
w, h = output.shape[2], output.shape[3]
img = misc.toimage(output.sum(axis=1).reshape(w, h))
img.save("{}.tiff".format(name))
print("Saveing middle output {}".format(output_layer_name))
trt_outputs = [
output.reshape(shape)
for output, shape in zip(trt_outputs[len(filter_num):], output_shapes)
]
postprocessor_args = {
"yolo_masks":
[(6, 7, 8), (3, 4, 5),
(0, 1, 2)], # A list of 3 three-dimensional tuples for the YOLO masks
"yolo_anchors": [
(10, 13),
(16, 30),
(33, 23),
(30, 61),
(62,
45), # A list of 9 two-dimensional tuples for the YOLO anchors
(59, 119),
(116, 90),
(156, 198),
(373, 326)
],
"obj_threshold":
0.6, # Threshold for object coverage, float value between 0 and 1
"nms_threshold":
0.5, # Threshold for non-max suppression algorithm, float value between 0 and 1
"yolo_input_resolution":
input_resolution_yolov3_HW
}
postprocessor = PostprocessYOLO(**postprocessor_args)
# Run the post-processing algorithms on the TensorRT outputs and get the bounding box details of detected objects
boxes, classes, scores = postprocessor.process(trt_outputs,
(shape_orig_WH))
# Draw the bounding boxes onto the original input image and save it as a PNG file
obj_detected_img = draw_bboxes(image_raw, boxes, scores, classes,
ALL_CATEGORIES)
output_image_path = 'dog_bboxes.png'
obj_detected_img.save(output_image_path, 'PNG')
print('Saved image with bounding boxes of detected objects to {}.'.format(
output_image_path))
def main(inputSize):
#Load PAR model
"""Create a TensorRT engine for ONNX-based YOLOv3-608 and run inference."""
global vs, outputFrame, lock, t0, t1, fps, sess, input_name, label_name, PAR_Model
#model = ResNet50_nFC(30)
#model = load_network(model)
#torch.save(model.state_dict(), "model")
#device = torch.device('cuda')
#model.to(device)
#model.eval()
# Set graph optimization level
#sess_options.graph_optimization_level = rt.GraphOptimizationLevel.ORT_ENABLE_EXTENDED
# To enable model serialization after graph optimization set this
#sess_options.optimized_model_filepath = "resnet50_nFC.onnx"
#sess = rt.InferenceSession("resnet50_nFC.onnx", sess_options)
#sess.set_providers(['CUDAExecutionProvider'])
#sess.set_providers(['CPUExecutionProvider'])
cuda.init()
device = cuda.Device(0)
onnx_file_path = 'yolov3-{}.onnx'.format(inputSize)
engine_file_path = 'yolov3-{}.trt'.format(inputSize)
h, w = (inputSize, inputSize)
# Two-dimensional tuple with the target network's (spatial) input resolution in HW ordered
input_resolution_yolov3_HW = (inputSize, inputSize)
# Create a pre-processor object by specifying the required input resolution for YOLOv3
preprocessor = PreprocessYOLO(input_resolution_yolov3_HW)
# Output shapes expected by the post-processor
output_shapes = [(1, 255, h // 32, w // 32), (1, 255, h // 16, w // 16),
(1, 255, h // 8, w // 8)]
"""output_shapes = [(1, 255, 13, 13),
(1, 255, 26, 26)]"""
# Do inference with TensorRT
cuda.init() # Initialize CUDA
ctx = make_default_context() # Create CUDA context
postprocessor_args = {
"yolo_masks": [(6, 7, 8), (3, 4, 5), (0, 1, 2)],
"yolo_anchors": [(10, 13), (16, 30), (33, 23), (30, 61), (62, 45),
(59, 119), (116, 90), (156, 198), (373, 326)],
"obj_threshold":
0.5,
"nms_threshold":
0.35,
"yolo_input_resolution":
input_resolution_yolov3_HW
}
"""postprocessor_args = {"yolo_masks": [(3, 4, 5), (0, 1, 2)],
"yolo_anchors": [(10,14), (23,27), (37,58), (81,82), (135,169), (344,319)],
"obj_threshold": 0.4,
"nms_threshold": 0.5,
"yolo_input_resolution": input_resolution_yolov3_HW}"""
postprocessor = PostprocessYOLO(**postprocessor_args)
with get_engine(onnx_file_path, engine_file_path
) as engine, engine.create_execution_context() as context:
print("performing inference")
inputs, outputs, bindings, stream = common.allocate_buffers(engine)
while True:
trt_outputs = []
#image_raw=vs.read()
T0 = time.time()
ret, image_raw = cap.read()
if image_raw is not None:
image_raw, image = preprocessor.process(image_raw)
shape_orig_WH = image_raw.size
inputs[0].host = image
T1 = time.time()
t0 = time.time()
trt_outputs = common.do_inference(context,
bindings=bindings,
inputs=inputs,
outputs=outputs,
stream=stream)
trt_outputs = [
output.reshape(shape)
for output, shape in zip(trt_outputs, output_shapes)
]
T2 = time.time()
#here we have Yolo output
boxes, classes, scores = postprocessor.process(
trt_outputs, (shape_orig_WH))
t1 = time.time()
t_inf = t1 - t0
fps = 1 / t_inf
draw = True
if (boxes is None):
print("no bboxes")
draw = False
if (classes is None):
print("no classes")
draw = False
if (scores is None):
print("no scores")
draw = False
if draw:
obj_detected_img = draw_bboxes(
image_raw,
bboxes=boxes,
confidences=scores,
categories=classes,
all_categories=ALL_CATEGORIES)
else:
obj_detected_img = image_raw
#now stream this image
T3 = time.time()
total = T3 - T0
"""print("Total time per frame: {:.3f}s (~{:.2f}FPS)".format(total,1/total))
print("Pre process: {:.2f}%".format((T1-T0)/total))
print("Inference: {:.2f}%".format((T2-T1)/total))
print("Post process: {:.2f}%".format((T3-T2)/total))"""
with lock:
outputFrame = np.array(obj_detected_img)
ctx.pop()
def main():
#########################################################################
# $ python3 onnx_to_tensorrt.py v3 608
#########################################################################
dir_onnx = sys.argv[1]
fn_onnx = sys.argv[2]
onnx_file_path = os.path.join(dir_onnx, fn_onnx)
#print('fn_onnx : ', fn_onnx); exit()
t1, t2 = get_exact_file_name_from_path(fn_onnx).split('_')
v_yolo = t1[4:]
said = int(t2)
#print('v_yolo : ', v_yolo, ', said : ', said); exit()
#said = int(sys.argv[2])
"""Create a TensorRT engine for ONNX-based YOLOv3-608 and run inference."""
# Try to load a previously generated YOLOv3-608 network graph in ONNX format:
#onnx_file_path = 'yolo{}_{}.onnx'.format(v_yolo, said)
engine_file_path = os.path.join(dir_onnx,
'yolo{}_{}.trt'.format(v_yolo, said))
# Download a dog image and save it to the following file path:
input_image_path = download_file(
'dog.jpg',
'https://github.com/pjreddie/darknet/raw/f86901f6177dfc6116360a13cc06ab680e0c86b0/data/dog.jpg',
checksum_reference=None)
# Two-dimensional tuple with the target network's (spatial) input resolution in HW ordered
input_resolution_yolov3_HW = (said, said)
# Create a pre-processor object by specifying the required input resolution for YOLOv3
preprocessor = PreprocessYOLO(input_resolution_yolov3_HW)
# Load an image from the specified input path, and return it together with a pre-processed version
image_raw, image = preprocessor.process(input_image_path)
# Store the shape of the original input image in WH format, we will need it for later
shape_orig_WH = image_raw.size
#print('image_raw.size : ', image_raw.size); print('image.size : ', image.size); exit()
# Output shapes expected by the post-processor
#output_shapes = [(1, 255, 19, 19), (1, 255, 38, 38), (1, 255, 76, 76)]
output_shapes = get_output_shapes(v_yolo, said)
# Do inference with TensorRT
trt_outputs = []
with get_engine(onnx_file_path, engine_file_path
) as engine, engine.create_execution_context() as context:
inputs, outputs, bindings, stream = common.allocate_buffers(engine)
# Do inference
print('Running inference on image {}...'.format(input_image_path))
# Set host input to the image. The common.do_inference function will copy the input to the GPU before executing.
inputs[0].host = image
'''
print('len(inputs) : ', len(inputs)); # 1
print('len(outputs) : ', len(outputs)); # 2 for v3-tiny, 3 for v3 #exit()
print('type(stream) : ', type(stream)); exit()
print('type(outputs[0] : ', type(outputs[0])); #exit()
print('type(outputs[1] : ', type(outputs[1])); exit()
'''
# start = time.time()
trt_outputs = common.do_inference(context,
bindings=bindings,
inputs=inputs,
outputs=outputs,
stream=stream)
# print("time: %.2f s" %(time.time()-start))
'''
print('len(trt_outputs) : ', len(trt_outputs));
print('trt_outputs[0].shape : ', trt_outputs[0].shape)
print('trt_outputs[1].shape : ', trt_outputs[1].shape); exit()
'''
print(trt_outputs)
# Before doing post-processing, we need to reshape the outputs as the common.do_inference will give us flat arrays.
trt_outputs = [
output.reshape(shape)
for output, shape in zip(trt_outputs, output_shapes)
]
postprocessor_args = get_postprocessor_args(v_yolo,
input_resolution_yolov3_HW)
#print('postprocessor_args : ', postprocessor_args); exit()
'''
postprocessor_args = {"yolo_masks": [(6, 7, 8), (3, 4, 5), (0, 1, 2)], # A list of 3 three-dimensional tuples for the YOLO masks
"yolo_anchors": [(10, 13), (16, 30), (33, 23), (30, 61), (62, 45), # A list of 9 two-dimensional tuples for the YOLO anchors
(59, 119), (116, 90), (156, 198), (373, 326)],
"obj_threshold": 0.6, # Threshold for object coverage, float value between 0 and 1
"nms_threshold": 0.5, # Threshold for non-max suppression algorithm, float value between 0 and 1
"yolo_input_resolution": input_resolution_yolov3_HW}
'''
postprocessor = PostprocessYOLO(**postprocessor_args)
# Run the post-processing algorithms on the TensorRT outputs and get the bounding box details of detected objects
boxes, classes, scores = postprocessor.process(trt_outputs,
(shape_orig_WH))
# Draw the bounding boxes onto the original input image and save it as a PNG file
obj_detected_img = draw_bboxes(image_raw, boxes, scores, classes,
ALL_CATEGORIES)
output_image_path = 'dog_bboxes_{}_{}.png'.format(v_yolo, said)
obj_detected_img.save(output_image_path, 'PNG')
print('Saved image with bounding boxes of detected objects to {}.'.format(
output_image_path))
try:
data_dir = os.environ['TESTDATADIR']
except KeyError:
data_dir = '/tmp/dataset-nctu/clothes/clothes_test'
def get_engine(engine_file_path="clothes.trt"):
print("Reading engine from file {}".format(engine_file_path))
with open(engine_file_path, "rb") as f, trt.Runtime(TRT_LOGGER) as runtime:
return runtime.deserialize_cuda_engine(f.read())
input_HW = (416, 416)
output_shapes = [(1, 255, 13, 13), (1, 255, 26, 26), (1, 255, 52, 52)]
preprocessor = PreprocessYOLO(input_HW)
postprocessor_args = {
"yolo_masks": [(6, 7, 8), (3, 4, 5), (0, 1, 2)],
"yolo_anchors": [(10, 13), (16, 30), (33, 23), (30, 61), (62, 45),
(59, 119), (116, 90), (156, 198), (373, 326)],
"obj_threshold":
0.5,
"nms_threshold":
0.2,
"yolo_input_resolution":
input_HW
}
postprocessor = PostprocessYOLO(**postprocessor_args)
eps = 1e-6
beta = 2.0
beta_s = beta * beta
def main():
"""Create a TensorRT engine for ONNX-based YOLOv3-608 and run inference."""
# Try to load a previously generated YOLOv3-608 network graph in ONNX format:
if COCO:
onnx_file_path = os.path.join('./engine/onnx/',
'yolov3-' + str(SIZE) + '.onnx')
engine_file_path = os.path.join('./engine/trt/',
'yolov3-' + str(SIZE) + BUILD + '.trt')
else:
onnx_file_path = os.path.join('./engine/onnx/',
'yolov3-voc-' + str(SIZE) + '.onnx')
engine_file_path = os.path.join(
'./engine/trt/', 'yolov3-voc-' + str(SIZE) + BUILD + '.trt')
# onnx_file_path = "./engine/yolov3-608.onnx"
# engine_file_path = "./engine/yolov3-608-voc-f32.trt"
# loop over images
if COCO:
test_images_file = './coco/5k.txt' #for coco
else:
test_images_file = './VOC/data/dataset/voc_test.txt' #for voc
with open(test_images_file, 'r') as f:
txt = f.readlines()
test_images = [line.strip() for line in txt]
timeRecSave = []
input_resolution_yolov3_HW = (SIZE, SIZE)
predicted_dir_path = './mAP/predicted'
if os.path.exists(predicted_dir_path):
shutil.rmtree(predicted_dir_path)
os.mkdir(predicted_dir_path)
# ground_truth_dirs_path = './mAP/ground-truth'
# if os.path.exists(ground_truth_dir_path):
# shutil.rmtree(ground_truth_dir_path)
# os.mkdir(ground_truth_dir_path)
with get_engine(onnx_file_path, engine_file_path
) as engine, engine.create_execution_context() as context:
inputs, outputs, bindings, stream = common.allocate_buffers(engine)
for idx, input_image_path in enumerate(test_images):
#print("image path = ", input_image_path)
filename = os.path.split(input_image_path)[1]
#print("filename = ",filename)
# try:
# label_file = './coco/labels/val2014/' + os.path.splitext(filename)[0]+'.txt'
# with open(label_file, 'r') as f:
# labels = f.readlines()
# except:
# continue
# Create a pre-processor object by specifying the required input resolution for YOLOv3
preprocessor = PreprocessYOLO(input_resolution_yolov3_HW)
# Load an image from the specified input path, and return it together with a pre-processed version
image_raw, image = preprocessor.process(input_image_path)
# Store the shape of the original input image in WH format, we will need it for later
# print("image shape = ", image.shape)
# print("image data = ")
# print(image)
shape_orig_WH = image_raw.size
# print("image_raw.size = ", image_raw.size)
# print("image_raw.shape = ", image_raw.shape)
# Output shapes expected by the post-processor
# output_shapes = [(1, 255, 10, 10), (1, 255, 20, 20), (1, 255, 40, 40)] #for 320
# output_shapes = [(1, 255, 13, 13), (1, 255, 26, 26), (1, 255, 52, 52)] #for 416
output_shapes = [(1, int(OUT), int(SIZE / 32), int(SIZE / 32)),
(1, int(OUT), int(SIZE / 16), int(SIZE / 16)),
(1, int(OUT), int(SIZE / 8), int(SIZE / 8))
] #for 608
# Do inference with TensorRT
trt_outputs = []
# with get_engine(onnx_file_path, engine_file_path) as engine, engine.create_execution_context() as context:
# inputs, outputs, bindings, stream = common.allocate_buffers(engine)
# Do inference
# print('Running inference on image {}...'.format(input_image_path)) # if idx==0 else 0
# Set host input to the image. The common.do_inference function will copy the input to the GPU before executing.
inputs[0].host = image
# start = time.time()
trt_outputs, timeRec = common.do_inference(context,
bindings=bindings,
inputs=inputs,
outputs=outputs,
stream=stream)
# print("time: %.2f s" %(time.time()-start))
# print(trt_outputs)
timeRecSave.append(timeRec)
print('%d, Image %s, Recognition Time %0.3f seconds' %
(idx, filename, timeRec))
# # Before the post-processing, we need to reshape the outputs as the common.do_inference will give us flat arrays.
trt_outputs = [
output.reshape(shape)
for output, shape in zip(trt_outputs, output_shapes)
]
# A list of 3 three-dimensional tuples for the YOLO masks
# A list of 9 two-dimensional tuples for the YOLO anchors
postprocessor_args = {"yolo_masks": [(6, 7, 8), (3, 4, 5), (0, 1, 2)], \
"yolo_anchors": [(10, 13), (16, 30), (33, 23), (30, 61), (62, 45), \
(59, 119), (116, 90), (156, 198), (373, 326)],\
# Threshold for object coverage, float value between 0 and 1
"obj_threshold": 0.6,\
# Threshold for non-max suppression algorithm, float value between 0 and 1
"nms_threshold": 0.5,\
"yolo_input_resolution": input_resolution_yolov3_HW}
postprocessor = PostprocessYOLO(**postprocessor_args)
# # Run the post-processing algorithms on the TensorRT outputs and get the bounding box details of detected objects
boxes, classes, scores = postprocessor.process(
trt_outputs, (shape_orig_WH))
# Draw the bounding boxes onto the original input image and save it as a PNG file
if PRINT_RESULTS:
obj_detected_img = draw_bboxes(image_raw, boxes, scores,
classes, ALL_CATEGORIES)
output_image_path = './results/yolo_' + filename
obj_detected_img.save(output_image_path)
print(
'Saved image with bounding boxes of detected objects to {}.'
.format(output_image_path))
predict_result_path = os.path.join(predicted_dir_path,
str(idx) + '.txt')
# ground_truth_path = os.path.join(ground_truth_dir_path, str(idx) + '.txt')
with open(predict_result_path, 'w') as f:
if boxes is not None:
for box, score, category_idx in zip(
boxes, scores, classes):
x_coord, y_coord, width, height = box
box = [
x_coord, y_coord, x_coord + width, y_coord + height
] # fit YunYang1994's mAP calculation input format
category = ALL_CATEGORIES[category_idx]
category = "".join(category.split())
# print("score info = ", score, score.type)
box = list(map(int, box))
xmin, ymin, xmax, ymax = list(map(str, box))
# bbox_mess = ' '.join([category, score, xmin, ymin, xmax, ymax]) + '\n'
bbox_mess = ' '.join([
category, "{:.4f}".format(score), xmin, ymin, xmax,
ymax
]) + '\n'
# print(bbox_mess)
f.write(bbox_mess)
timeRecMean = np.mean(timeRecSave)
print('The mean recognition time is {0:0.3f} seconds'.format(timeRecMean))
# %% Visualization of results
if PRINT_RESULTS:
np.save('results/timeRecognition.npy', timeRecSave)
plt.figure(figsize=(8, 5))
plt.plot(timeRecSave, label='Recg_time')
plt.ylim([0, 0.05])
plt.xlabel('Test image number'),
plt.ylabel('Time [second]'),
plt.title(
'Recognition time of Yolov3_DarkNet_ONNX_TensorRT_GPU_coco_test_2017'
)
plt.hlines(y=timeRecMean,
xmin=0,
xmax=len(test_images),
linewidth=3,
color='r',
label='Mean')
plt.savefig(
'results/Yolov3_DarkNet_ONNX_TensorRT_GPU_coco_test_2017.png',
bbox_inches='tight')
plt.show()
