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Result Analysis of Blur and Noise on Image Denoising based on PDE

Author(s): Meenal Jain , Sumit Sharma, Ravi Mohan Sairam

Journal: International Journal of Advanced Computer Research
ISSN 2249-7277

Volume: 2;
Issue: 7;
Start page: 70;
Date: 2012;
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Keywords: Image denoising | PDE | SNR | PSNR | Weiner Filter

The effect of noise on image is still a challenging problem for researchers. Image Denoising has remained a fundamental problem in the field of image processing. Wavelets give a superior performance in image denoising due to properties such as sparsity and multi resolution structure. Many of the previous research use the basic noise reduction through image blurring. Blurring can be done locally, as in the Gaussian smoothing model or in anisotropic filtering; by calculus of variations; or in the frequency domain, such as Weiner filters. In this paper we proposed an image denoising method using partial differential equation. In our proposed approach we proposed three different approaches first is for blur, second is for noise and finally for blur and noise. These approaches are compared by Average absolute difference, signal to noise ratio (SNR), peak signal to noise ratio (PSNR), Image Fidelity and Mean square error. So we can achieve better result on different scenario. We also compare our result on the basis of the above five parameters and the result is better in comparison to the traditional technique.
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