Removal of Impulse Noise In Image Using Simple Edge Preserving Denoising Technique
Journal Title: International Journal for Research in Applied Science and Engineering Technology (IJRASET) - Year 2016, Vol 4, Issue 12
Abstract
Images are most often corrupted by impulse noise in the process of signal acquisition and transmission. Reducing noise has always been one of the standard problems of the image analysis and processing community. Even though, at the same time as reducing the noise in a signal, it is important to preserve the edges. Edges are of critical importance to the visual appearance of images. So, it is desirable to preserve important features, such as edges, corners and other sharp structures, during the denoising process. The proposed work presents an efficient implementation for removing impulse noise. The experimental results show that the proposed technique preserves the edge features and obtains excellent performances in terms of quantitative evaluation and visual quality. The design requires only low computational complexity and two line memory buffers. It’s hardware cost is quite low. When compared with existing implementations, the proposed design achieves better image quality with less hardware cost. In images, impulse noise (salt &pepper) are introduced and PSNR and MSE values are checked. The Simple Edge-Preserved Denoising technique (SEPD) shows that better PSNR can be achieved.
Authors and Affiliations
Omika. B, Arivuselvam. B, Sudha. S
Keywords
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