how to remove unwanted region from binary image?

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Ahmed Mehar
Ahmed Mehar 2015-8-4
评论： Ahmed Mehar 2015-8-5
I'm working on a project.I am finding a technique to remove unwanted regions (small dots) from binary image. I have an image that includes object and some unwanted region. I want to remove it. Hence, I use some morphological operator example 'close' to remove. But it is not perfect. Along Original image and Expected Image in this post. Thanks in advance.

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Walter Roberson
Walter Roberson 2015-8-4
bwareafilt()
Convert your image to black and white. filter out the small areas. Multiply the result by the original image (a plane at a time) to remove the unwanted locations by setting them to 0.

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