How to divide an image into different shapes?

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Richa Sarmah
Richa Sarmah 2019-11-7
编辑： KSSV 2019-11-8
I have imported a jpg file to MATLAB using function imread and now i want to cut that image into different shapes defined by user. How can i do that in MATLAB?
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Richa Sarmah
Richa Sarmah 2019-11-8
As shown in the above figure, I imported an image shape to matlab and then want to make cavity at that background. Here, the shape and dimensions of that cavity must be user defined.

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KSSV
KSSV 2019-11-8
编辑：KSSV 2019-11-8
doc imcrop
doc impoly
doc imfreehand
YOu can also define your locations in the shape you want......use inpoly and pick only inside pixels.

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