本算法可实现图形裁剪，并将0°，45°，90°，135°四角度偏振图像合成强度图像，偏振度图像，偏振角图像，椭圆偏振率图像(This algorithm can realize graphic cutting and synthesize intensity images of 0, 45, 90, 135, four angles, polarization image, polarization angle image, elliptical polarization image)