i want to mark the highest point of any non-black pixel within the image to find the max point.

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Nurul Najmah 2015-4-26

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https://ww2.mathworks.cn/matlabcentral/answers/213619-i-want-to-mark-the-highest-point-of-any-non-black-pixel-within-the-image-to-find-the-max-point

回答： jimmy 2020-1-2

here is my image. I had ask before at https://www.mathworks.com/matlabcentral/answers/213198-i-want-to-mark-only-the-highest-middle-point-of-binary-image-but-it-show-the-min-point-too but i might ask in not clear question.

the last of my output will be like this.

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采纳的回答

Mohammad Abouali 2015-4-26

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https://ww2.mathworks.cn/matlabcentral/answers/213619-i-want-to-mark-the-highest-point-of-any-non-black-pixel-within-the-image-to-find-the-max-point#answer_176713

编辑：Mohammad Abouali 2015-4-26

在 MATLAB Online 中打开

row=find(sum(BWImage,2)==0,1,'last')+1;
col=find(BWImage(row,:)~=0);
row=row*ones(size(col));
Points=[row(:) col(:)];

Points contains the row and column of the point or points at the top.

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Nurul Najmah 2015-4-27

thank you so much. It works well. Thanks a lot.

Image Analyst 2015-4-27

As would have the code in your duplicate question. Anyway, please vote for his answer and mark it as Accepted so he can get "reputation points" for it.

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