segmentation in digital image processing

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meena selvaraj

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sir pls tell about
cataract detection using multiscale saliency detection algorithm
 

I believe you can google it on the web. Also try to look for other IEEE papers or conference papers to have an idea what it does. Once you have understood the algorithm. Ask your doubts regarding it.
 

Just speculating...

Cataracts are opaque or semi-opaque masses within the eye. Suppose you shine a pinpoint light into the eye, and then photograph the retina.

In a normal clear eye, the image will be sharp. Details of the retina (blood vessels, etc.) will show up sharp. However if there is a cataract, then detail will be blurred, or obscured, etc.

An algorithm will look for detail with sharp borders between light and dark pixels. Where it does not find sharp detail, that could be a possible cataract.
 

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