Adaptive Noise Reduction Scheme for Salt and Pepper

Details Adaptive Noise Reduction Scheme for Salt and Pepper Adaptive Noise Reduction Scheme for Salt and Pepper

2012-01-10

arxiv.org/abs/1201.2050v1

Computer Science

Computer Vision and Pattern Recognition

9 pages, 5 figures

Scientific paper

In this paper, a new adaptive noise reduction scheme for images corrupted by impulse noise is presented. The proposed scheme efficiently identifies and reduces salt and pepper noise. MAG (Mean Absolute Gradient) is used to identify pixels which are most likely corrupted by salt and pepper noise that are candidates for further median based noise reduction processing. Directional filtering is then applied after noise reduction to achieve a good tradeoff between detail preservation and noise removal. The proposed scheme can remove salt and pepper noise with noise density as high as 90% and produce better result in terms of qualitative and quantitative measures of images.

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