How do I choose 256 or 0 values from my image?

Question

Ahmet Talha Köten 2022-5-11

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https://ww2.mathworks.cn/matlabcentral/answers/1716455-how-do-i-choose-256-or-0-values-from-my-image

回答： Walter Roberson 2022-5-11

采纳的回答： Walter Roberson

sos.png

I = imread('sos.png');

BW = imbinarize(I);

figure

imshowpair(I,BW,'montage')

I have this code so far, my mission is to get values of sos.png so I can change them to signals. I need to know how to select them.

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DGM 2022-5-11

编辑：DGM 2022-5-11

You already have the values of the image. They already are signals. They already are in the range of [0 255]. You never said what you want to "select" or what "select' exactly means. Depending on what "select" means, it may be a 50% possibility that you already have that already as well.

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