matlab灰度图统计

在Matlab中，可以使用imhist函数对灰度图像进行统计。该函数可以返回图像的灰度值分布及频数。下面是一个示例代码：

% 导入图像
I = imread('image.tif');

% 使用imhist函数返回灰度值分布及频数
\[H, D\] = imhist(I);

其中，`I`是待统计的灰度图像，`H`是灰度值的频数，`D`是对应的灰度值。通过这个函数，你可以得到图像中每个灰度值的频数，进而进行灰度图像的统计分析。
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