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A fast efficient restoration algorithm for high-noise-ratio image using feature adaptive approach

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2 Author(s)
Shih-Chang Hsia ; Dept. of Comput. & Commun. Eng., Nat. Kaohsiung First Univ. of Sci. & Technol., Kaohsiung, Taiwan ; Chung-Long Chen

The video signal is easily interfered with by noise over the wireless system. The well-known “median filter” and its modified methods could completely remove the noise when the noise/image ratio is low. However, as this ratio becomes higher, the filtering performance degrades very fast and much of the noise cannot be removed. To resolve the high-noise problem, we propose a novel adaptive algorithm to efficiently reduce noise without visible distortion. The experimental results show that the proposed methods can attain very high quality in a 50% noise environment. Moreover, this adaptive approach also keeps lower complexity in order to meet real time applications

Published in:

Multimedia Software Engineering, 2000. Proceedings. International Symposium on

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