Computer Science ›› 2011, Vol. 38 ›› Issue (3): 275-278.
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XIAO Xiu-chun,WANG Zhang-ye,ZHANG Yu-nong,JIANG Xiao-hua,PENG Qun-sheng
Online:
Published:
Abstract: A robust bilateral filtering algorithm based on consistent subneighborhoods was presented. Firstly, employ adaptive region growing method to split local neighborhood of the seed pixel into consistent sub-neighborhoods. Then,within one of the sulrneighborhoods, smooth the value of seed pixel by using improved bilateral filter algorithm. To enhance the robust performance, by following the definition of non-local means filtering, define kernel function of this filter based on geometric closeness and local neighborhood window similarity. Because this algorithm combines both the advantages of bilateral filter and non-local means filter, and also denoises within consistent sulrneighborhoods, it can gain a more reasonable image effect. Simulation experiments demonstrate that the presented algorithm can remove noise effectively, and simultaneously preserve detailed feature of the image.
Key words: Image denoising, Bilateral filtering, Non-local means filtering, Sukrneighborhoods
XIAO Xiu-chun,WANG Zhang-ye,ZHANG Yu-nong,JIANG Xiao-hua,PENG Qun-sheng. Robust Bilateral Filter in Consistent Sub-neighborhoods[J].Computer Science, 2011, 38(3): 275-278.
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