How to mask a binary image with a mask?

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Biza Ferreira
Biza Ferreira 2015-6-28
回答： Image Analyst 2015-6-28
Friends I have a small problem with a image and a mask , I need to make a mask in a binary image how can do this?

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回答（1 个）

Image Analyst
Image Analyst 2015-6-28
Pass your mask into your binary image. If you want to blacken outside the mask, one way to do it is:
binaryImage(~mask) = false;
Another way is
binaryImage = binaryImage & mask;
If you don't know how to create a mask, you can use thresholding, or draw by hand like in my attached demos.

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