A 3-D Switching Median Filter with Colour Correction for Removal of Random Valued Impulse Noise from Colour Videos
Journal Title: International Journal of Computer Science and Management Studies (IJCSMS) www.ijcsms.com - Year 2011, Vol 11, Issue 2
Abstract
This paper presents a three dimensional switching median filter with colour correction to remove random valued impulse noise from colour video sequences. The switching median technique is utilized to protect noise free isolated pixels from filtering so as to avoid blurring of frames. The restoration of noisy pixels is done by brightness information obtained from median filtering and chromaticity information is obtained from vector directional filtering. This hybrid filter is applied in three dimensional sliding window where spatial as well as temporal information about neighbourhood is available for restoration of frame under consideration. Only noise free pixels of three dimensional sliding window are used for restoration of frame under consideration. Simulation results show that the proposed three dimensional hybrid filter yields superior performance in comparison to other filtering methods.
Authors and Affiliations
Mr. Bhupender , Mr. Raman Malik , Mr. Paramveer Narwal
Keywords
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