Delete selected image in 2D array imtool

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DB 2023-11-1

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https://ww2.mathworks.cn/matlabcentral/answers/2041591-delete-selected-image-in-2d-array-imtool

评论： Jon 2023-11-3

Hello,

below is the values in my 2D array represented using imtool. Is there a way to select one of the curve to be deleted but keep the rest the same (index and values of the curve that is not deleted the same). I need to do some calculations on one curve at a time without having the other curve values influence the calculation. Is there a way? Thanks so much.

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Jon 2023-11-2

Is the situation always quite similar to the one shown in the example image, that is, two similarly shaped "curves" with one translated vertically relative to the other?

DB 2023-11-2

in this test case, yes.

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Image Analyst 2023-11-2

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https://ww2.mathworks.cn/matlabcentral/answers/2041591-delete-selected-image-in-2d-array-imtool#answer_1345006

freehand_masking_demo.m

No, there is no way to "paint" or mask pixels using imtool. You'll have to write a script for that. Demo attached.

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Image Analyst 2023-11-3

@Jon yes, there are automatic ways. I made a partial stab at it but it's not done. It's only partially working and I don't have time to finish it. I've attached as far as I got. It will take maybe another half hour or hour to finish it and I don't have time. Finish it if you want.

Jon 2023-11-3

Hi @Image AnalystThanks for sharing your code. It seemed like a challenging problem and I was interested to see how you would approach it. I will look through your code so I can learn more about how this type of problem can be solved.

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