How to identify noise in medical image?

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somasekar jalari
somasekar jalari 2014-12-12
编辑： Mohammad Abouali 2014-12-12
in preprocessing of an image, first we have to identify whether an image having noise or not. if so we have use filtering technique to reduce noise effects in image. first of all how to identify noise in an image? is there any measure for identifying noise especially for medical image for further procesing namely segmentation?

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Mohammad Abouali
Mohammad Abouali 2014-12-12
编辑：Mohammad Abouali 2014-12-12
May be this could be useful in your case
Noise Level Estimation from a single image
or this
How noisy are your images

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