count how many pixel has value 255 in an image

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Tu Nguyen 2022-2-16

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https://ww2.mathworks.cn/matlabcentral/answers/1650870-count-how-many-pixel-has-value-255-in-an-image

编辑： AndresVar 2022-2-16

采纳的回答： KALYAN ACHARJYA

The image cameraman, how can we find how many pixel has value of 255? Please help me

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KALYAN ACHARJYA 2022-2-16

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https://ww2.mathworks.cn/matlabcentral/answers/1650870-count-how-many-pixel-has-value-255-in-an-image#answer_897270

编辑：KALYAN ACHARJYA 2022-2-16

在 MATLAB Online 中打开

data=GrayImage==255;
total_pix=sum(data(:))

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Tu Nguyen 2022-2-16

Thank you, I just use the cameraman as an example. Thank a lot

KALYAN ACHARJYA 2022-2-16

@AndresVar Yes, Thanks for adding more.

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