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Comput Biol Med. 2013 Jul;43(6):670-82. doi: 10.1016/j.compbiomed.2013.02.009. Epub 2013 Mar 21.

Reducing redundancy in wireless capsule endoscopy videos.

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Department of Computer and Information Engineering, Inha University, South Korea.


We eliminate similar frames from a wireless capsule endoscopy video of the human intestines to maximize spatial coverage and minimize the redundancy in images. We combine an intensity correction method with a method based an optical flow and features to detect and reduce near-duplicate images acquired during the repetitive backward and forward egomotions due to peristalsis. In experiments, this technique reduced duplicate image of 52.3% from images of the small intestine.

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