The Switching Bilateral Denoising Performance Influence of Spatial and Radiometric Variance

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2016-06
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eng
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6 pages
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Proceeding of The 13th Annual International Conference of Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology (ECTI-CON 2016), ECTI Association Thailand, Chiang Mai, Thailand, June 2016
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Abstract
In this paper, we investigate the performance of switching bilateral filter (SBF) influenced by two parameters — radiometric variance ( R σ ) and spatial variance ( S σ ). The SBF can be used to filter Gaussian noise and impulse noise at the same time. For SBF, R σ and S σ are the two most important factors that affect increasing /decreasing the performance of SBF. Then, we investigate the influence of two parameters by varying their values from 1 to 100 and evaluate the performance of the de-noising for seven types of image under Gaussian noise environment. The simulation results show that the optimal values of R σ and S σ are depended on image type. Therefore, we propose the proportional of R σ and S σ that can be applied for all image type.
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