def pred_to_outputs(cfg, output, inp_shape, iou_th=0.4, score_th=0.02):
bbox_regressions, landm_regressions, classifications = output
# only for batch size 1
preds = tf.concat( # [bboxes, landms, landms_valid, conf]
[
bbox_regressions[0], landm_regressions[0],
tf.ones_like(classifications[0, :, 0][..., tf.newaxis]),
classifications[0, :, 1][..., tf.newaxis]
], 1)
priors = prior_box_tf((inp_shape[1], inp_shape[2]), cfg['min_sizes'],
cfg['steps'], cfg['clip'])
decode_preds = decode_tf(preds, priors, cfg['variances'])
selected_indices = tf.image.non_max_suppression(
boxes=decode_preds[:, :4],
scores=decode_preds[:, -1],
max_output_size=tf.shape(decode_preds)[0],
iou_threshold=iou_th,
score_threshold=score_th)
out = tf.gather(decode_preds, selected_indices)
return out
def RetinaFaceModel(cfg, training=False, iou_th=0.4, score_th=0.02, name="RetinaFaceModel"):
"""Retina Face Model"""
input_size = cfg["input_size"] if training else None
wd = cfg["weights_decay"]
out_ch = cfg["out_channel"]
num_anchor = len(cfg["min_sizes"][0])
backbone_type = cfg["backbone_type"]
# define model
x = inputs = Input([input_size, input_size, 3], name="input_image")
print(x.shape)
x = Backbone(backbone_type=backbone_type)(x)
fpn = FPN(out_ch=out_ch, wd=wd)(x)
features = [SSH(out_ch=out_ch, wd=wd, name=f"SSH_{i}")(f) for i, f in enumerate(fpn)]
bbox_regressions = tf.concat(
[BboxHead(num_anchor, wd=wd, name=f"BboxHead_{i}")(f) for i, f in enumerate(features)], axis=1
)
landm_regressions = tf.concat(
[LandmarkHead(num_anchor, wd=wd, name=f"LandmarkHead_{i}")(f) for i, f in enumerate(features)], axis=1
)
classifications = tf.concat(
[ClassHead(num_anchor, wd=wd, name=f"ClassHead_{i}")(f) for i, f in enumerate(features)], axis=1
)
classifications = tf.keras.layers.Softmax(axis=-1)(classifications)
if training:
out = (bbox_regressions, landm_regressions, classifications)
else:
# only for batch size 1
preds = tf.concat( # [bboxes, landms, landms_valid, conf]
[
bbox_regressions[0],
landm_regressions[0],
tf.ones_like(classifications[0, :, 0][..., tf.newaxis]),
classifications[0, :, 1][..., tf.newaxis],
],
1,
)
priors = prior_box_tf(
(tf.shape(inputs)[1], tf.shape(inputs)[2]), cfg["min_sizes"], cfg["steps"], cfg["clip"]
)
decode_preds = decode_tf(preds, priors, cfg["variances"])
selected_indices = tf.image.non_max_suppression(
boxes=decode_preds[:, :4],
scores=decode_preds[:, -1],
max_output_size=tf.shape(decode_preds)[0],
iou_threshold=iou_th,
score_threshold=score_th,
)
out = tf.gather(decode_preds, selected_indices)
return Model(inputs, out, name=name)
def main(_argv):
# init
os.environ['TF_CPP_MIN_LOG_LEVEL'] = '3'
os.environ['CUDA_VISIBLE_DEVICES'] = FLAGS.gpu
logger = tf.get_logger()
logger.disabled = True
logger.setLevel(logging.FATAL)
set_memory_growth()
cfg = load_yaml(FLAGS.cfg_path)
# define network
model = RetinaFaceModel(cfg,
training=False,
iou_th=FLAGS.iou_th,
score_th=FLAGS.score_th)
# load model from weights.h5
# model.load_weights('./model/mbv2_weights.h5', by_name=True, skip_mismatch=True)
# load checkpoint
checkpoint_dir = './checkpoints/' + cfg['sub_name']
checkpoint = tf.train.Checkpoint(model=model)
if tf.train.latest_checkpoint(checkpoint_dir):
checkpoint.restore(tf.train.latest_checkpoint(checkpoint_dir))
print("[*] load ckpt from {}.".format(
tf.train.latest_checkpoint(checkpoint_dir)))
else:
print("[*] Cannot find ckpt from {}.".format(checkpoint_dir))
exit()
if not FLAGS.webcam:
file_path = '/Users/lichaochao/Downloads/images_UMU/'
for file_name in os.listdir(file_path + 'source_images/'):
image_path = file_path + 'source_images/' + file_name
if not os.path.exists(image_path):
print(f"cannot find image path from {image_path}")
continue
img_raw = cv2.imread(image_path)
img = np.float32(img_raw.copy())
# img = cv2.cvtColor(img, cv2.COLOR_BGR2RGB)
# pad input image to avoid unmatched shape problem
img, pad_params = pad_input_image(img, max_steps=max(cfg['steps']))
img_height, img_width, _ch = img.shape
# run model
outputs = model(img[np.newaxis, ...])
preds = tf.concat([
outputs[0][0], outputs[1][0, :, 1][..., tf.newaxis],
outputs[2][0, :, 1][..., tf.newaxis]
], -1)
priors = prior_box_tf((img_height, img_width), cfg['min_sizes'],
cfg['steps'], cfg['clip'])
decode_preds = decode_tf(preds, priors, cfg['variances'])
selected_indices = tf.image.non_max_suppression(
boxes=decode_preds[:, :4],
scores=decode_preds[:, -1],
max_output_size=tf.shape(decode_preds)[0],
iou_threshold=FLAGS.iou_th,
score_threshold=FLAGS.score_th)
outputs = tf.gather(decode_preds, selected_indices).numpy()
# recover padding effect
outputs = recover_pad_output(outputs, pad_params)
has_face = False
is_smile = False
for prior_index in range(len(outputs)):
ann = outputs[prior_index]
if ann[-1] >= 0.5:
has_face = True
x1, y1 = int(ann[0] * img_width), int(ann[1] * img_height)
x2, y2 = int(ann[2] * img_width), int(ann[3] * img_height)
text = "face: {:.2f}".format(ann[-1] * 100)
cv2.putText(img, text, (x1 + 5, y1 - 10),
cv2.FONT_HERSHEY_DUPLEX, 0.5, (255, 255, 255))
if ann[-2] >= 0.5:
is_smile = True
smile_text = "smile: {:.2f}".format(ann[-2] * 100)
cv2.putText(img, smile_text, (x1 + 5, y1 + 30),
cv2.FONT_HERSHEY_DUPLEX, 0.5,
(255, 255, 255))
cv2.rectangle(img, (x1, y1), (x2, y2), (0, 0, 255), 2)
else:
cv2.rectangle(img, (x1, y1), (x2, y2), (0, 255, 0), 2)
if is_smile:
dst_file_path = file_path + '/smile_face/' + file_name
elif has_face:
dst_file_path = file_path + '/face/' + file_name
else:
dst_file_path = file_path + '/no_face/' + file_name
cv2.imwrite(dst_file_path, img)
print(dst_file_path)
else:
cam = cv2.VideoCapture('./data/linda_umu.mp4')
# cam.set(cv2.CAP_PROP_FRAME_WIDTH, 640)
# cam.set(cv2.CAP_PROP_FRAME_HEIGHT, 480)
resize = FLAGS.down_scale_factor
frame_height = cam.get(cv2.CAP_PROP_FRAME_HEIGHT) * resize
frame_width = cam.get(cv2.CAP_PROP_FRAME_WIDTH) * resize
max_steps = max(cfg['steps'])
img_pad_h = max_steps - frame_height % max_steps if frame_height % max_steps > 0 else 0
img_pad_w = max_steps - frame_width % max_steps if frame_width % max_steps > 0 else 0
priors = prior_box_tf(
(frame_height + img_pad_h, frame_width + img_pad_w),
cfg['min_sizes'], cfg['steps'], cfg['clip'])
frame_index = 0
outputs = []
start_time = time.time()
while cam.isOpened():
_, frame = cam.read()
if frame is None:
print('no cam')
break
if frame_index < 5:
frame_index += 1
# continue
else:
frame_index = 0
img = np.float32(frame.copy())
if resize < 1:
img = cv2.resize(img, (0, 0),
fx=resize,
fy=resize,
interpolation=cv2.INTER_LINEAR)
img = cv2.cvtColor(img, cv2.COLOR_BGR2RGB)
# pad input image to avoid unmatched shape problem
img, pad_params = pad_input_image(img, max_steps=max_steps)
# run model
outputs = model(img[np.newaxis, ...])
preds = tf.concat([
outputs[0][0], outputs[1][0, :, 1][..., tf.newaxis],
outputs[2][0, :, 1][..., tf.newaxis]
], -1)
decode_preds = decode_tf(preds, priors, cfg['variances'])
selected_indices = tf.image.non_max_suppression(
boxes=decode_preds[:, :4],
scores=decode_preds[:, -1],
max_output_size=tf.shape(decode_preds)[0],
iou_threshold=FLAGS.iou_th,
score_threshold=FLAGS.score_th)
outputs = tf.gather(decode_preds, selected_indices).numpy()
# recover padding effect
outputs = recover_pad_output(outputs,
pad_params,
resize=resize)
# calculate fps
fps_str = "FPS: %.2f" % (1 / (time.time() - start_time))
start_time = time.time()
cv2.putText(frame, fps_str, (25, 50), cv2.FONT_HERSHEY_DUPLEX,
0.75, (0, 0, 255), 2)
# draw results
for prior_index in range(len(outputs)):
draw_bbox_landm(frame, outputs[prior_index], frame_height,
frame_width)
# calculate fps
# fps_str = "FPS: %.2f" % (1 / (time.time() - start_time))
# start_time = time.time()
# cv2.putText(frame, fps_str, (25, 25),
# cv2.FONT_HERSHEY_DUPLEX, 0.75, (0, 255, 0), 2)
# show frame
cv2.imshow('frame', frame)
if cv2.waitKey(1) == ord('q'):
exit()
def main(_argv):
# init
os.environ['TF_CPP_MIN_LOG_LEVEL'] = '3'
os.environ['CUDA_VISIBLE_DEVICES'] = FLAGS.gpu
logger = tf.get_logger()
logger.disabled = True
logger.setLevel(logging.FATAL)
set_memory_growth()
cfg = load_yaml(FLAGS.cfg_path)
# define network
model = RetinaFaceModel(cfg,
training=False,
iou_th=FLAGS.iou_th,
score_th=FLAGS.score_th)
# load model from weights.h5
# model.load_weights('./model/mbv2_weights.h5', by_name=True, skip_mismatch=True)
# load checkpoint
checkpoint_dir = './checkpoints/' + cfg['sub_name']
checkpoint = tf.train.Checkpoint(model=model)
if tf.train.latest_checkpoint(checkpoint_dir):
checkpoint.restore(tf.train.latest_checkpoint(checkpoint_dir))
print("[*] load ckpt from {}.".format(
tf.train.latest_checkpoint(checkpoint_dir)))
else:
print("[*] Cannot find ckpt from {}.".format(checkpoint_dir))
exit()
if not FLAGS.webcam:
if not os.path.exists(FLAGS.img_path):
print(f"cannot find image path from {FLAGS.img_path}")
exit()
print("[*] Processing on single image {}".format(FLAGS.img_path))
img_raw = cv2.imread(FLAGS.img_path)
img = np.float32(img_raw.copy())
# testing scale
target_size = 320
img_size_max = np.max(img.shape[0:2])
resize = float(target_size) / float(img_size_max)
img = cv2.resize(img,
None,
None,
fx=resize,
fy=resize,
interpolation=cv2.INTER_LINEAR)
img = cv2.cvtColor(img, cv2.COLOR_BGR2RGB)
# pad input image to avoid unmatched shape problem
img, pad_params = pad_input_image(img, max_steps=max(cfg['steps']))
# run model
outputs = model(img[np.newaxis, ...]).numpy()
# recover padding effect
outputs = recover_pad_output(outputs, pad_params)
img = cv2.cvtColor(img, cv2.COLOR_RGB2BGR)
# draw and save results
save_img_path = os.path.join('out_' + os.path.basename(FLAGS.img_path))
for prior_index in range(len(outputs)):
draw_bbox_landm(img, outputs[prior_index], target_size,
target_size)
cv2.imwrite(save_img_path, img)
print(f"[*] save result at {save_img_path}")
else:
cam = cv2.VideoCapture('./data/lichaochao.mp4')
# cam = cv2.VideoCapture(0)
frame_height = int(cam.get(cv2.CAP_PROP_FRAME_HEIGHT))
frame_width = int(cam.get(cv2.CAP_PROP_FRAME_WIDTH))
fourcc = cv2.VideoWriter_fourcc(*'XVID')
fps = cam.get(cv2.CAP_PROP_FPS)
out = cv2.VideoWriter('chaochao1.mp4',
fourcc,
fps=fps,
frameSize=(frame_height, frame_width))
resize = FLAGS.down_scale_factor
frame_height *= resize
frame_width *= resize
max_steps = max(cfg['steps'])
img_pad_h = max_steps - frame_height % max_steps if frame_height % max_steps > 0 else 0
img_pad_w = max_steps - frame_width % max_steps if frame_width % max_steps > 0 else 0
priors = prior_box_tf(
(frame_height + img_pad_h, frame_width + img_pad_w),
cfg['min_sizes'], cfg['steps'], cfg['clip'])
frame_index = 0
outputs = []
start_time = time.time()
while cam.isOpened():
_, frame = cam.read()
if frame is None:
print('no cam')
break
if frame_index < 5:
frame_index += 1
# continue
else:
frame_index = 0
img = np.float32(frame.copy())
if resize < 1:
img = cv2.resize(img, (0, 0),
fx=resize,
fy=resize,
interpolation=cv2.INTER_LINEAR)
img = cv2.cvtColor(img, cv2.COLOR_BGR2RGB)
# pad input image to avoid unmatched shape problem
img, pad_params = pad_input_image(img, max_steps=max_steps)
# run model
outputs = model(img[np.newaxis, ...])
preds = tf.concat([
outputs[0][0], outputs[1][0, :, 1][..., tf.newaxis],
outputs[2][0, :, 1][..., tf.newaxis]
], -1)
decode_preds = decode_tf(preds, priors, cfg['variances'])
selected_indices = tf.image.non_max_suppression(
boxes=decode_preds[:, :4],
scores=decode_preds[:, -1],
max_output_size=tf.shape(decode_preds)[0],
iou_threshold=FLAGS.iou_th,
score_threshold=FLAGS.score_th)
outputs = tf.gather(decode_preds, selected_indices).numpy()
# recover padding effect
outputs = recover_pad_output(outputs,
pad_params,
resize=resize)
# calculate fps
# fps_str = "FPS: %.2f" % (1 / (time.time() - start_time))
# start_time = time.time()
# cv2.putText(frame, fps_str, (25, 50),
# cv2.FONT_HERSHEY_DUPLEX, 0.75, (0, 0, 255), 2)
# draw results
for prior_index in range(len(outputs)):
draw_bbox_landm(frame, outputs[prior_index], frame_height,
frame_width)
# calculate fps
# fps_str = "FPS: %.2f" % (1 / (time.time() - start_time))
# start_time = time.time()
# cv2.putText(frame, fps_str, (25, 25),
# cv2.FONT_HERSHEY_DUPLEX, 0.75, (0, 255, 0), 2)
# show frame
out.write(frame)
cv2.imshow('frame', frame)
if cv2.waitKey(1) == ord('q'):
exit()
def RetinaFaceModel(cfg,
training=False,
iou_th=0.4,
score_th=0.02,
name='RetinaFaceModel'):
"""Retina Face Model"""
input_size = cfg['input_size'] if training else None
wd = cfg['weights_decay']
out_ch = cfg['out_channel']
num_anchor = len(cfg['min_sizes'][0])
backbone_type = cfg['backbone_type']
# define model
x = inputs = Input([input_size, input_size, 3], name='input_image')
x = Backbone(backbone_type=backbone_type)(x)
fpn = FPN(out_ch=out_ch, wd=wd)(x)
features = [
SSH(out_ch=out_ch, wd=wd,
name=f'SSH_{i}')(f) #output 256 sau concon cua context(SSH)
for i, f in enumerate(fpn)
]
bbox_regressions = tf.concat([
BboxHead(num_anchor, wd=wd, name=f'BboxHead_{i}')(f)
for i, f in enumerate(features)
],
axis=1)
landm_regressions = tf.concat([
LandmarkHead(num_anchor, wd=wd, name=f'LandmarkHead_{i}')(f)
for i, f in enumerate(features)
],
axis=1)
classifications = tf.concat([
ClassHead(num_anchor, wd=wd, name=f'ClassHead_{i}')(f)
for i, f in enumerate(features)
],
axis=1)
classifications = tf.keras.layers.Softmax(axis=-1)(classifications)
if training:
out = (bbox_regressions, landm_regressions, classifications)
else:
# only for batch size 1
preds = tf.concat( # [bboxes, landms, landms_valid, conf]
[
bbox_regressions[0], landm_regressions[0],
tf.ones_like(classifications[0, :, 0][..., tf.newaxis]),
classifications[0, :, 1][..., tf.newaxis]
], 1)
priors = prior_box_tf((tf.shape(inputs)[1], tf.shape(inputs)[2]),
cfg['min_sizes'], cfg['steps'], cfg['clip'])
decode_preds = decode_tf(preds, priors, cfg['variances'])
selected_indices = tf.image.non_max_suppression(
boxes=decode_preds[:, :4],
scores=decode_preds[:, -1],
max_output_size=tf.shape(decode_preds)[0],
iou_threshold=iou_th,
score_threshold=score_th)
out = tf.gather(decode_preds, selected_indices)
return Model(inputs, out, name=name)