imshow & 图像深度

https://blog.csdn.net/qq_39642978/article/details/95926315

https://www.cnblogs.com/Xiaoyan-Li/p/5674792.html

像素归一化

8-bit unsigned: 显示图像本来的样子;
16-bit unsigned / 32-bit integer: 用像素值除以256,取值范围由[0,255x256]变为[0,255];
32-bit floating-point: 像素值乘以255, 取值范围由[0,1]变为[0,255]。

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转载自www.cnblogs.com/wllwqdeai/p/11757370.html