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How to create a mask for the image

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kiruthika r
kiruthika r 2015-10-23
评论： Image Analyst 2019-10-30
I want to generate a mask for my image.How can I generate it?
The mask image should be like the below picture.

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Matt J
Matt J 2015-10-23
Mask = (YourImage>threshold);
  2 个评论
Ibrahim Usman
Ibrahim Usman 2019-10-30
How do you get the matrix dimensions for the image agree with the dimensions of the threshold?
Image Analyst
Image Analyst 2019-10-30
You don't. Here, threshold is just a scalar. No dimensions at all really, just a 1-by-1 scalar -- it's not an image with any dimensions. So the "matrix dimensions for the image" do not need to agree with anything, since threshold is a scalar.

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