Detect black pixels in a binary image

2023 4 26
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更新时间：2023 4 26
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Hello,
I want to detect the amount (either area, %, or # of pixels) of black in a black and white/ binary image. Attached is an example image that I want to be analyzed.

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回答（1 个）

Walter Roberson
Walter Roberson 2023-4-26

0 个投票

imbinarize with foreground polarity dark. Then mean2() * 100

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