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def post_process(self, outputs): | |
loc, conf, landmarks = outputs | |
height, width = 640, 640 | |
priorbox = PriorBox(image_size=(height, width)) | |
priors = priorbox.forward() | |
variance = [0.1, 0.2] | |
scale = np.array([width, height, width, height]) | |
scale1 = np.array( | |
[width, height, width, height, width, height, width, height, width, height] | |
) | |
# bboxe | |
boxes = decode(loc[0], priors, variance) | |
boxes = boxes * scale | |
# score | |
scores = np.squeeze(conf, axis=0)[:, 1] | |
# landmark | |
landmarks = decode_landm(landmarks[0], priors, variance) | |
landmarks = landmarks * scale1 | |
# ignore low scores | |
inds = np.where(scores > self.conf_threshold)[0] | |
boxes, landmarks, scores = boxes[inds], landmarks[inds], scores[inds] | |
# sort | |
order = scores.argsort()[::-1] | |
boxes, landmarks, scores = boxes[order], landmarks[order], scores[order] | |
# do NMS | |
bounding_boxes = np.hstack((boxes, scores[:, np.newaxis])).astype( | |
np.float32, copy=False | |
) | |
keep = nms_boxes( | |
bounding_boxes[:, :4], bounding_boxes[:, 4], self.nms_threshold | |
) | |
bounding_boxes, landmarks = bounding_boxes[keep, :], landmarks[keep] | |
return np.concatenate((bounding_boxes, landmarks), axis=1) | |
resizedImg = pre_process(mainImg) | |
start = int(round(time.time() * 1000)) | |
outputs = ort_session.run(None, {"input": resizedImg}) | |
bboxes = post_process(outputs) | |
_, all_landmarks_5 = get_face_landmarks_5(bboxes, eye_dist_threshold=5) | |
new_landmarks=find_landmark_orginal_image(mainImg,all_landmarks_5) | |
cropped_faces, affine_matrices = align_warp_face(mainImg, new_landmarks) | |
end = int(round(time.time() * 1000)) | |
estimation_time = end - start | |
logger.info(f"'RetinaFace infer time: {estimation_time} ms") | |
save_faces(cropped_faces,"result_faces") | |
return cropped_faces, affine_matrices |
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