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A Mixed De-noising Algorithm of Digital Image Based on Removed-noise Threshold

Zhang Lina~1 Hua Shujing~2 (City College,Wenzhou University Wenzhou 325035)~1 (Anhui Jiyuan Electric Power Network System Hefei 233088)~2  
An efficient mixed de-nosing algorithm of digital image based on removed-nosie threshold is presented.The conception of neighborhood and removed-noise substituted for introduced.The weight average is substituted for traditional average operation,which is assigned as weight value.This algorithm also advances pixel-block operation instead of pixel-pixel operation and removed-noise threshold instead of segmentation threshold,which causes the image more explicit and shows obvious superiority especially when the noise is more complex.Results show that the approach based on fuzzy smoothing approach provides a powerful noise removal ability than the classical ones.
【CateGory Index】: TP391.41
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