Remove noise in MRI image.

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Ivan Shorokhov
Ivan Shorokhov 2015-2-10
编辑： Ivan Shorokhov 2015-2-17
Original Image:
I would like to remove noise shown marked in red circles.
Thanks in advance for any help!

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Image Analyst
Image Analyst 2015-2-10
I would not call those features noise. And a quick scan of the code looks like you're just setting the blobs to zero. Is that what you mean by "remove"? And your fmax usage seems very weird.
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Image Analyst
Image Analyst 2015-2-10
See attached m-file.
You can increase thet threshold or run imdilate() on the binary image if you want to enlarge the blobs.
Ivan Shorokhov
Ivan Shorokhov 2015-2-12
@Image Analyst, Thanks a lot, best answer ever!

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