python opencv 提取图像的区域
start_x = index_box[0] start_y = index_box[1] end_x = index_box[2] end_y = index_box[3] index_person_img = camera1_img[start_y:end_y,start_x:end_x] index_person_img = cv2.cvtColor(index_person_img,cv2.COLOR_RGB2BGR)
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