def savepb_darkflow_model(cfg_obj, args):
options = darkflow_parse_config(cfg_obj)
if args.load is None:
raise AssertionError('Please provide a ckpt number to load from.')
options['load'] = int(args.load)
tfnet = TFNet(options)
tfnet.savepb()
def trainFlowCFG(cfg):
ckptPath = 'ckpt'
checkpointPath = 'ckpt/checkpoint'
if not os.path.exists(ckptPath):
os.makedirs(ckptPath)
if not os.path.exists(checkpointPath):
os.makedirs(checkpointPath)
#dataset is the image folder
options = {"model": cfg['darkflow']["model"],
"load": cfg['darkflow']["starting_weights"],
"batch": cfg['darkflow']["batch_size"],
"epoch": cfg['darkflow']["epoch"],
"gpu": cfg['darkflow']["gpu_usage"],
"train": True,
"lr": float(cfg['darkflow']["learning_rate"]),
"annotation": cfg['darkflow']["training_annotations"],
"labels": cfg['darkflow']["labels_file"],
"dataset": cfg['darkflow']["training_images"]}
tfnet = TFNet(options)
tfnet.train()
tfnet.savepb()
if cfg['meta']['saveRun']:
modelPath = cfg['darkflow']['model']
path, filename = os.path.split(modelPath)
name, ext = os.path.splitext(filename)
pathPB = os.path.join(cfg['temp']['rootDir'],cfg['paths']['darkflow'],'built_graph', name+'.pb')
pathMeta = os.path.join(cfg['temp']['rootDir'],cfg['paths']['darkflow'],'built_graph', name+'.meta')
savePathPB = os.path.join(cfg['temp']['rootDir'],'runData', cfg['meta']['runName'],cfg['meta']['runName']+'.pb')
savePathMeta = os.path.join(cfg['temp']['rootDir'], 'runData', cfg['meta']['runName'],cfg['meta']['runName']+'.meta')
shutil.copyfile(pathPB,savePathPB)
shutil.copyfile(pathMeta,savePathMeta)
def cliHandler(args):
FLAGS = argHandler()
FLAGS.setDefaults()
FLAGS.parseArgs(args)
# make sure all necessary dirs exist
def _get_dir(dirs):
for d in dirs:
this = os.path.abspath(os.path.join(os.path.curdir, d))
if not os.path.exists(this): os.makedirs(this)
_get_dir([
FLAGS.imgdir, FLAGS.binary, FLAGS.backup,
os.path.join(FLAGS.imgdir, 'out'), FLAGS.summary
])
# fix FLAGS.load to appropriate type
try:
FLAGS.load = int(FLAGS.load)
except:
pass
tfnet = TFNet(FLAGS)
if FLAGS.demo:
tfnet.camera()
exit('Demo stopped, exit.')
if FLAGS.train:
print('Enter training ...')
tfnet.train()
if not FLAGS.savepb:
exit('Training finished, exit.')
if FLAGS.savepb:
print('Rebuild a constant version ...')
tfnet.savepb()
exit('Done')
tfnet.predict()
from darkflow.net.build import TFNet
import cv2
import json
with open('config.json') as json_config:
config = json.load(json_config)
options = {
"model": config["model"],
"load": -1,
"batch": config["batch_size"],
"epoch": config["epoch"],
"gpu": config["gpu_usage"],
"train": True,
"lr": config["learning_rate"],
"annotation": config["training_annotations"],
"labels": config["labels_file"],
"dataset": config["training_images"]
}
tfnet = TFNet(options)
tfnet.train()
tfnet.savepb()
class DetectorOptions:
DEFAULT_MODEL = os.path.join(dir_path, "cfg\\yolo.cfg")
DEFAULT_LABELS = os.path.join(dir_path, "cfg\\coco.names")
DEFAULT_WEIGHTS = os.path.join(dir_path, "bin\\yolo.weights")
DEFAULT_THRESHOLD = 0.1
DEFAULT_GPU = 0.7
DEFAULT_DIRECTION = "horizontal"
DEFAULT_NORMAL_BLOB_SIZE = 300
def __init__(self):
self.model = DetectorOptions.DEFAULT_MODEL
self.weights = DetectorOptions.DEFAULT_WEIGHTS
self.labels = DetectorOptions.DEFAULT_LABELS
self.confidence_threshold = DetectorOptions.DEFAULT_THRESHOLD
self.gpu = DetectorOptions.DEFAULT_GPU
self.direction = DetectorOptions.DEFAULT_DIRECTION
self.normal_blob_size = DetectorOptions.DEFAULT_NORMAL_BLOB_SIZE
self.tfnet = None
self.roi = None
self.filter = None
def set_model(self, model: str):
if self.tfnet:
raise DetectorOptionsException("Neural network already built")
self.model = model
return self
def set_weights(self, weights: str):
if self.tfnet:
raise DetectorOptionsException("Neural network already built")
self.weights = weights
return self
def set_confidence_threshold(self, confidence_threshold: float):
if self.tfnet:
raise DetectorOptionsException("Neural network already built")
if confidence_threshold < 0 or confidence_threshold > 1:
raise ValueError(
"'confidence_threshold' must be a floating point number between 0 and 1 inclusive"
)
self.confidence_threshold = confidence_threshold
return self
def set_gpu(self, gpu: float):
if self.tfnet:
raise DetectorOptionsException("Neural network already built")
if gpu < 0 or gpu > 1:
raise ValueError(
"'gpu' must be a floating point number between 0 and 1 inclusive"
)
self.gpu = gpu
return self
def set_roi(self, roi: typing.Dict[str, typing.Dict[str, int]]):
if self.tfnet:
raise DetectorOptionsException("Neural network already built")
self.roi = roi
return self
def set_direction(self, type: str):
if self.tfnet:
raise DetectorOptionsException("Neural network already built")
if type not in ['vertical', 'horizontal']:
raise ValueError(
"'type' must be either 'vertical' or 'horizontal'")
self.direction = type
return self
def set_filter(self, labels: typing.List[str]):
if self.tfnet:
raise DetectorOptionsException("Neural network already built")
self.filter = labels
return self
def build_model(self, verbose_level=0):
prev_dir = os.getcwd()
os.chdir(dir_path)
if verbose_level == 1:
print("TF_START")
elif verbose_level >= 2:
print("Importing tensorflow...")
from darkflow.net.build import TFNet
from darkflow.defaults import argHandler
if verbose_level == 1:
print("TF_END")
elif verbose_level >= 2:
print("Tensorflow imported")
options = {
"model": self.model,
"load": self.weights,
"labels": self.labels,
"threshold": self.confidence_threshold,
"gpu": self.gpu,
}
old_options_path = "built_graph/options.json"
old_pb_path = "built_graph/yolo.pb"
old_meta_path = "built_graph/yolo.meta"
if verbose_level == 1:
print("MODEL_START")
elif verbose_level >= 2:
print("Building model...")
old = False
if os.path.isfile(old_pb_path) and os.path.isfile(
old_meta_path) and os.path.isfile(old_options_path):
with open(old_options_path) as f:
old_options = json.load(f)
if old_options == options:
if verbose_level >= 2:
print("Loading model from identical model in storage")
options = argHandler()
options.gpu = old_options['gpu']
options.threshold = old_options['threshold']
options.model = old_options['model']
options.load = old_options['load']
options.pbLoad = old_pb_path
options.metaLoad = old_meta_path
old = True
self.tfnet = TFNet(options)
if not old:
print("Saving model in cache")
with open("built_graph/options.json", "w+") as f:
json.dump(options, f)
self.tfnet.savepb()
if verbose_level == 1:
print("MODEL_END")
elif verbose_level >= 2:
print("Model finished building")
os.chdir(prev_dir)
return self
class ObjectDetect:
# number of frames before old car coordinates is disposed (used for counting)
time_threshold = 2
# labels to be detected (if uninitialised, detect all objects)
labels = None
# video frame count
frame_count = 0
def __init__(self, detection_threshold, roi, count_switch,
counting_line_vertical):
self.detection_threshold = detection_threshold
self.roi = roi
self.count_switch = count_switch
self.counting_line_vertical = counting_line_vertical
self.make_temp_path()
# def __del__(self):
# shutil.rmtree(self.path)
def init_options(self, model_dir, weights_dir, threshold, gpu):
self.options = {
"model": model_dir,
"load": weights_dir,
"threshold": threshold,
"gpu": gpu
}
if os.path.exists("./built_graph") and os.path.isdir("./built_graph"):
shutil.rmtree("./built_graph")
self.init_model()
def init_model(self):
if (os.path.isfile("./built_graph/yolo.pb")
& os.path.isfile("./built_graph/yolo.meta")):
# if already saved, load from existing
FLAGS = argHandler()
FLAGS.setDefaults()
FLAGS.pbLoad = "built_graph/yolo.pb"
FLAGS.metaLoad = "built_graph/yolo.meta"
self.tfnet = TFNet(FLAGS)
else:
self.tfnet = TFNet(self.options)
self.tfnet.savepb()
def init_roi(self, botleft, topleft, topright, botright):
self.roi_pts = [botleft, topleft, topright, botright]
def set_label(self, labels):
self.labels = labels
# get image with region of interest applied for further processing
def get_roi(self, imgcv):
roi_pts = self.roi_pts
pts = np.array([roi_pts[0], roi_pts[1], roi_pts[2], roi_pts[3]],
np.int32)
roi = pts.reshape((-1, 1, 2))
cv2.polylines(imgcv, [roi], True, (0, 255, 255))
mask = np.zeros_like(imgcv)
cv2.drawContours(mask, [roi], -1, (255, 255, 255), -1, cv2.LINE_AA)
masked = cv2.bitwise_and(imgcv, mask)
return masked
# draw region of interest for final result
def draw_roi(self, imgcv, line):
roi_pts = self.roi_pts
pts = np.array([roi_pts[0], roi_pts[1], roi_pts[2], roi_pts[3]],
np.int32)
cv2.polylines(imgcv, [pts], True, (0, 255, 255))
if not (line is None):
cv2.line(imgcv, (int(line[0][0]), int(line[0][1])),
(int(line[1][0]), int(line[1][1])), (0, 255, 0))
return imgcv
# yolo at work - return coordinates of objects per frame
def process_frame(self, frame):
print("FRAME_INDEX:" + str(self.frame_count))
sys.stdout.flush()
result = self.tfnet.return_predict(frame)
# print(result)
self.frame_count += 1
return result
# remove overlapping bounding boxes according to detection_threshold
def remove_overlap(self, img, coord):
if (len(coord) > 1):
pointB = coord[0]
for item in coord[1:]:
pointA = pointB
pointB = item
# detection threshold = batas selisih pixel yang dibutuhkan sehingga 2 box dianggap mendeteksi hal yang sama
if (point_calculate.boxDistance(pointA[0], pointA[1],
pointB[0], pointB[1]) <
self.detection_threshold):
# remove box with lower confidence if distance between 2 boxes is less than threshold
if pointA[5] > pointB[5]:
coord.remove(pointB)
pointB = pointA
else:
coord.remove(pointA)
return coord
# draw bounding box and label
def draw_bb(self, imgcv, coord):
h, w, _ = imgcv.shape
for coordinate in coord:
cv2.rectangle(imgcv, (coordinate[0], coordinate[1]),
(coordinate[2], coordinate[3]), 255, 3)
cv2.putText(imgcv, coordinate[4],
(coordinate[0], coordinate[1] - 12), 0, 2e-3 * h, 255,
1)
return imgcv
def car_count(self, img, coord, old_cars, count, line, is_vertical,
frame_index):
for oc in old_cars:
if frame_index - oc[6] > self.time_threshold:
old_cars.remove(oc)
new_cars = []
for nc in coord:
# collision with counting line
if point_calculate.collision(nc[0], nc[1], nc[2], nc[3], line,
self.counting_line_vertical):
# if point_calculate.collision_debug(nc[0], nc[1], nc[2], nc[3], line, self.counting_line_vertical, img, frame_index):
new_cars.append(nc)
unique_car = True
for oc in old_cars:
# tl.x, tl.y, br.x, br.y
oc_point = ((oc[0] + oc[2]) / 2, (oc[1] + oc[3]) / 2)
nc_point = ((nc[0] + nc[2]) / 2, (nc[1] + nc[3]) / 2)
if self.counting_line_vertical:
car_size = oc[3] - oc[1]
else:
car_size = oc[2] - oc[0]
if point_calculate.boxDistance(
oc_point[0], oc_point[1], nc_point[0],
nc_point[1]) < (car_size // 3 *
(frame_index - oc[6])):
# consider same car
unique_car = False
old_cars.remove(oc)
break
if unique_car:
count += 1
return new_cars + old_cars, count
def process_coords(self, img, result, frame_index):
coord = []
for bbox in result:
left, top = bbox['topleft']['x'], bbox['topleft']['y']
right, bot = bbox['bottomright']['x'], bbox['bottomright']['y']
label = bbox['label']
conf = bbox['confidence']
if point_calculate.isNormalBlobSize(left, top, right, bot):
if (self.labels is None) or (label in self.labels):
coord.append(
(left, top, right, bot, label, conf, frame_index))
coord = self.remove_overlap(img, coord)
return coord
def get_frame(self, video_dir):
cap = cv2.VideoCapture(video_dir)
if (cap.isOpened()):
ret, frame = cap.read()
else:
ret = False
while ret:
if (self.roi):
yield self.get_roi(frame)
else:
yield frame
ret, frame = cap.read()
cap.release()
async def video_detect(self, video_dir):
if self.roi:
roi_pts = self.roi_pts
self.frame_count = 0
cap = cv2.VideoCapture(video_dir)
length = int(cap.get(cv2.CAP_PROP_FRAME_COUNT))
cap.release()
self.frames = length
print("FRAMES:" + str(length))
# e = ProcessPoolExecutor(max_workers = 2)
# coords = await asyncio.gather(*(self.loop.run_in_executor(e, self.process_frame, frame) for frame in self.get_frame(video_dir)))
coords = [
self.process_frame(frame) for frame in self.get_frame(video_dir)
]
cap = cv2.VideoCapture(video_dir)
width = cap.get(cv2.CAP_PROP_FRAME_WIDTH)
height = cap.get(cv2.CAP_PROP_FRAME_HEIGHT)
# if self.count_switch:
# fourcc = 0x00000021
# else:
fourcc = cv2.VideoWriter_fourcc(*'H264')
result_dir = os.path.join(self.path, "out_video.mp4")
# result_dir = "./temp_results/out_video.avi"
out = cv2.VideoWriter(result_dir, fourcc, 30.0,
(int(cap.get(3)), int(cap.get(4))))
print("Coords: " + str(len(coords)))
cars = []
count = 0
self.resultsForJSON = []
self.objects_json = []
self.object_count = 0
# summary of number of object labels
self.object_labels = set()
print("WRITE_START")
for i in range(length):
ret, frame = cap.read()
coord = self.process_coords(frame, coords[i], i)
# car count
if self.count_switch:
botleft, topleft, topright, botright = roi_pts[0], roi_pts[
1], roi_pts[2], roi_pts[3]
if self.counting_line_vertical:
point_left = ((botleft[0] + topleft[0]) / 2,
(botleft[1] + topleft[1]) / 2)
point_right = ((botright[0] + topright[0]) / 2,
(botright[1] + topright[1]) / 2)
count_line = (point_left, point_right)
else:
point_up = ((topleft[0] + topright[0]) / 2,
(topleft[1] + topright[1]) / 2)
point_down = ((topright[0] + botright[0]) / 2,
(botleft[1] + botright[1]) / 2)
count_line = (point_up, point_down)
cars, count = self.car_count(frame, coord, cars, count,
count_line,
self.counting_line_vertical, i)
# cv2.putText(
# frame,
# 'Detected Vehicles: ' + str(count),
# (10, 35),
# cv2.FONT_HERSHEY_SIMPLEX,
# 0.8,
# (0, 0xFF, 0xFF),
# 2,
# cv2.FONT_HERSHEY_SIMPLEX,
# )
else:
count = None
# append processed coordinate to json
self.append_to_frame_json(coord)
# drawing roi and bounding box
if self.roi:
if not self.count_switch:
count_line = None
frame = self.draw_roi(frame, count_line)
frame = self.draw_bb(frame, coord)
# write to video
# cv2.imwrite(os.path.join(self.path, "out_" + str(i) + ".jpg"), frame)
# cv2.imwrite("./temp_results/out_" + str(i) + ".jpg", frame)
out.write(frame)
# write json to results dir
self.append_to_json(count)
self.write_to_json(self.resultsForJSON)
cap.release()
print("WRITE_END")
# show result (comment later)
# cap2 = cv2.VideoCapture(result_dir)
# cv2.namedWindow("Result", cv2.WINDOW_AUTOSIZE)
# while(cap2.isOpened()):
# ret, frame = cap2.read()
# if ret == True:
# cv2.imshow('Frame', frame)
# if cv2.waitKey(25) & 0xFF == ord('q'):
# break
# else:
# break
# cap2.release()
# cv2.destroyAllWindows()
async def image_detect(self, img_dir):
img = cv2.imread(img_dir, cv2.IMREAD_COLOR)
if (self.roi):
proc_img = self.get_roi(img)
else:
proc_img = img
coords = self.process_frame(proc_img)
bbox = self.process_coords(img, coords, 0)
img = self.draw_bb(img, bbox)
result_dir = os.path.join(self.path, "out_image.jpg")
cv2.imwrite(result_dir, img)
# cv2.imwrite("./temp_results/out_" + img_dir, img)
# show result (comment later)
# cv2.imshow('Result', img)
# cv2.waitKey(0)
# cv2.destroyAllWindows()
def make_temp_path(self):
# self.path = tempfile.TemporaryDirectory().name
# self.path = tempfile.mkdtemp()
# print(self.path)
self.path = "./.ylab/"
directory = os.path.dirname(self.path)
if not os.path.exists(directory):
os.makedirs(directory)
def set_roi(self, roi_switch):
self.roi = roi_switch
def append_to_frame_json(self, coord):
self.object_count += len(coord)
for box in coord:
left, top, right, bot, label, conf = box[0], box[1], box[2], box[
3], box[4], box[5]
self.object_labels.add(label)
self.objects_json.append({
"label": label,
"confidence": float('%.2f' % conf),
"topleft": {
"x": left,
"y": top
},
"bottomright": {
"x": right,
"y": bot
}
})
def append_to_json(self, car_count):
if self.count_switch:
type_str = "traffic"
else:
type_str = "default"
self.resultsForJSON = {
"objects": list(self.object_labels),
"frames": self.objects_json,
"count_per_frame":
float('%.2f' % (self.object_count / self.frames)),
"type": type_str,
"car_count": car_count
}
def write_to_json(self, data):
result_dir = os.path.join(self.path, "data.json")
# result_dir = "./temp_results/data.json"
with open(result_dir, 'w') as outfile:
json.dump(data, outfile)
from darkflow.net.build import TFNet
if __name__ == '__main__':
options = {
"model": "/media/mensa/Data/Task/EgyALPR/darkflow/cfg/yolo.cfg",
"load": "/media/mensa/Data/Task/EgyALPR/darkflow/bin/yolo.weights",
"batch": 8,
"epoch": 100,
"gpu": 0.9,
"train": True,
"annotation": "/media/mensa/Data/Task/EgyALPR/training_dataset/xml",
"dataset": "/media/mensa/Data/Task/EgyALPR/training_dataset/images"
}
tf_net = TFNet(options)
tf_net.train()
tf_net.savepb()
import matplotlib.pyplot as plt
import numpy as np
from darkflow.net.build import TFNet
import cv2
# yolov2-new was created by modifying yolov2-new.cfg as per instructions in darkflow repo
options = {
"model": "cfg/yolov2-voc2012.cfg",
"load": "bin/yolov2.weights",
"epoch": 2,
"train": True,
"annotation": "./VOCtrainval_11-May-2012/VOCdevkit/VOC2012/Annotations/",
"dataset": "./VOCtrainval_11-May-2012/VOCdevkit/VOC2012/JPEGImages/",
"labels": "labels-voc2012.txt"
}
tfnet = TFNet(options)
tfnet.train() # creates automatically a ckpt folder containing the checkpoint
tfnet.savepb() # creates the built_graph folder
