help me doing this please
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![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/169597/image.jpeg)
how to do like in the picture that i've already square it. i dont have any idea. anybody can help me ? tq.
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Jan
2017-11-14
What is your question? Do you want to add a white square automatically in an image file? Or do you want to create a GUI with such a listbox field?
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