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IMPLEMENTATION OF EDGE PRESERVING TECHNIQUES FOR EFFICIENT REMOVAL OF IMPULSE NOISE


Posted by: seminar class
Created at: Tuesday 19th of April 2011 01:50:05 AM
Last Edited Or Replied at :Tuesday 19th of April 2011 01:50:05 AM
reduced simple edge preserved denoising , proposed simple edge preserving denoising technique, coding for low cost vlsi implementation for efficient removal of impulse noise detection , an efficient denoising architecture for removal of impulse noise in images, ppt on low cost vlsi implementation of noise remotion , removal of impulse noise vlsi, rsepd technology for removal of impulse noise , how edge is preserved in vlsi, a low cost vlsi implementation for efficient removal of impulse noise ppt , extreme data detector ppt, low cost vlsi implementation for the efficient of removal of impulse noise , image denoising methods with vlsi circuits,
lusionsare presented in Section VI.
II. PROPOSED SEPD
Assume that the current pixel to be denoised is located at coordinate (i,j) and denoted as pi,j ,and its luminance values before and after the denoising process are represented as f i,j and fˆi,j, respectively. If pi,j is corrupted by the fixed-value impulse noise, its luminance value will jump to be the minimum or maximum value in gray scale. Here, we adopt a 3×3 mask W centering on pi,j for image denoising. In the current W, we know that the three denoised values at coordinates(i-1,j-1),(i-1,j)and(i-1,j+1) are determined at t..................[:=> Show Contents <=:]



IMPLEMENTATION OF EDGE PRESERVING TECHNIQUES FOR EFFICIENT REMOVAL OF IMPULSE NOISE


Posted by: seminar class
Created at: Tuesday 19th of April 2011 01:50:05 AM
Last Edited Or Replied at :Tuesday 19th of April 2011 01:50:05 AM
reduced simple edge preserved denoising , proposed simple edge preserving denoising technique, coding for low cost vlsi implementation for efficient removal of impulse noise detection , an efficient denoising architecture for removal of impulse noise in images, ppt on low cost vlsi implementation of noise remotion , removal of impulse noise vlsi, rsepd technology for removal of impulse noise , how edge is preserved in vlsi, a low cost vlsi implementation for efficient removal of impulse noise ppt , extreme data detector ppt, low cost vlsi implementation for the efficient of removal of impulse noise , image denoising methods with vlsi circuits,
rawback, we add another condition to reduce the
possibility of misdetection. If pi,j is a noise-free pixel and the current mask has high spatial correlation, f i,j should be close to fˆi,j and |f i,j _ fˆi,j|is small. That is to say,pi,j might be a noise-free pixel but the pixel value is MINinW orMAXinW if |f i,j _ fˆi,j| is small. We measure and |f i,j _ fˆi,j| and compare it with a threshold to determine whether pi,j is corrupted or not. The threshold, denoted as Ts, is a predefined value. Obviously, the threshold affects the performance of the proposed method. A more appropriate thr..................[:=> Show Contents <=:]



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