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SlantletTransformbased VideoDenoising | ||
| Baghdad Science Journal | ||
| Article 1, Volume 8, Issue 2, 2011, Pages 595-601 | ||
| Authors | ||
| Afrah L. Mohammed; Iman M.Ga; | ||
| Abstract | ||
| A technique for noise removal is proposed based on slantlet transform. The proposed algorithm tends to reduce the computational time by reducing the total number of frames through dividing the video film into sub films, finding master frames, applying the slantlet transform which is orthogonal discrete wavelet transform with two zero moments and with improved time localization. Thresholding technique is applied to the details coefficients of the slantlet transform .The denoised frame is repeated to retain the original frame sequence. The proposed method was applied by using MATLAB R2010a with video contaminated by white Gaussian noise .The experimental results show that the proposed method provides better subjective and objective quality, and obtain up to 5-6 dB PSNR improvement from the frames contaminated by noise. | ||
| Keywords | ||
| Video Denoising; slantlet transform; softthreshold | ||
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