There exist different kind of techniques to remove unwanted signals from images. The major denoising methods include filtering technique which is under the category of neighbourhood methods.The drawback of neighbourhood method is that tend to lose fine details of the image so that blurring may occur.Noise reduction and preservation of actual image can be done efficiently if we extend the consideration area such a way that not only comparing the grey level in a single point but also the

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... al configuration in a whole neighbourhood.This paper combines a new adaptive weighted mean filtering technique and the nonlocal means filtering algorithm to denoise image corrupted by salt and pepper noise.