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Wireless Capsule Endoscopy Images Enhancement using Contrast Driven Forward and Backward Anisotropic Diffusion

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2 Author(s)
Baopu Li ; Chinese Univ. of Hong Kong, Hong Kong ; Meng, M.Q.-H.

The wireless capsule endoscopy (WCE) has been widely used to detect the diseases in gastrointestinal tract. However, the contrast of many images it produced is rather dark due to some reasons, which causes some difficulties to diagnosis and computer aided diagnosis. To overcome this shortcoming, we propose a forward and backward anisotropic diffusion method based on the contrast space to enhance the capsule endoscopy images. Experimental results show that this new method can provide a better visualization of the wireless capsule endoscopy images than the forward and backward Beltrami flow and the contrast-limited adaptive histogram equalization so as to assist the inspection of WCE images.

Published in:

Image Processing, 2007. ICIP 2007. IEEE International Conference on  (Volume:2 )

Date of Conference:

Sept. 16 2007-Oct. 19 2007