Change corners from image

2021 6 22

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Hello everyone!

I have this figure I'm working on, shown below, and I want to remove those upper and below left black corners or even change them from black to white, but I'm not finding any solution...

Also, since I'm dealing with different versions of this image (rotated, different sizes, I wanted to make this process as general as possible. Anyone has any idea?

Thanks!

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KSSV 2021-6-22

Which black corners? The left one?

Iugo 2021-6-22

@KSSV Yes, exactly!

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Walter Roberson 2021-6-22

在 MATLAB Online 中打开

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img = imread('https://www.mathworks.com/matlabcentral/answers/uploaded_files/661015/image.png');

imshow(img);

title('original RGB')

BW = imbinarize(rgb2gray(img));

imshow(BW)

title('binary');

mask = ~bwareafilt(~BW, 1);

imshow(mask)

title('mask with cleared boundary')

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Iugo 2021-6-22

Thank you so much @Walter Roberson, that's it!!

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2021-6-22

2021-6-22

Walter Roberson

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