找到被黑色区域包围的图像的宽度:Matlab [英] find the width of the image surrounded by black region:Matlab

问题描述

我有一个图像image1，它被黑色区域包围.

I have an image image1, it is surrounded by black region.

我想获取非黑色区域的宽度，即仅黑色区域内的图像.

I want to get width of the region which is not black i.e. the image inside the Black region only.

该怎么做?

推荐答案

如果它是全黑的，则可以计算至少包含一个非零元素的列数:

If it's completely black, you can just count the number of column which have at least one non-zero element:

sum(any(image1))

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