matlab怎样求图像峰度
matlab怎样求图像峰度系数，kurtosis
本人是新手，我直接用 kurtosis(blue1)，结果出错
>> kurtosis(blue1)
??? Error using ==> minus
Integers can only be combined with integers of the same class, or scalar doubles.
Error in ==> kurtosis at 38
x0 = x - repmat(nanmean(x), tile);
请高手指教，万分感谢！
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