opencv to yolo.py

# Convert from opencv format to yolo format
# H,W is the image height and width
def cvFormattoYolo(corner, H, W):
    bbox_W = corner[3] - corner[1]
    bbox_H = corner[4] - corner[2]
    center_bbox_x = (corner[1] + corner[3]) / 2
    center_bbox_y = (corner[2] + corner[4]) / 2
    return corner[0], round(center_bbox_x / W, 6),
                    round(center_bbox_y / H, 6),
                    round(bbox_W / W, 6),
                    round(bbox_H / H, 6)