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An Efficient Modified Structure Of CDF 9/7 Wavelet Based On Adaptive Lifting Wit▀ Spi▀t For Lossy To Lossless Image Compression matlab code, An Efficient Modified Structure Of CDF 9/7 Wavelet Based On Adaptive Lifting Wit▀ Spi▀t For Lossy To Lossless Image Compression pdf, An Efficient Modified Structure Of CDF 9/7 Wavelet Based On Adaptive Lifting Wit▀ Spi▀t For Lossy To Lossless Image Compression report, An Efficient Modified Structure Of CDF 9/7 Wavelet Based On Adaptive Lifting Wit▀ Spi▀t For Lossy To Lossless Image Compression ppt

An Efficient Modified Structure Of CDF 9/7 Wavelet Based On Adaptive Lifting Wit▀ Spi▀t For Lossy To Lossless Image Compression

Abstract: We present a modified structure of 2-D CDF 9/7 wavelet transforms based on adaptive lifting in image coding. Instead of alternately applying horizontal and vertical lifting, as in present practice, Adaptive lifting performs lifting-based prediction in local windows in the direction of high pixel correlation. Hence, it adapts far better to the image orientation features in local windows. The predicting and updating signals of Adaptive lifting can be derived even at the fractional pixel precision level to achieve high resolution, while still maintaining perfect reconstruction. To enhance the performance of adaptive based modified structure of 2-D CDF 9/7 is coupled with SPIHT coding algorithm to improve the drawbacks of wavelet transform. Experimental results shows that the proposed scaling coefficients of modified structure based on adaptive lifting for image coding technique outperforms JPEG 2000 in both PSNR and visual quality, with the improvement up to 6.0 dB than existing structure on images with rich orientation features.



 

An Efficient Modified Structure Of CDF 9/7 Wavelet Based On Adaptive Lifting Wit▀ Spi▀t For Lossy To Lossless Image Compression matlab code, An Efficient Modified Structure Of CDF 9/7 Wavelet Based On Adaptive Lifting Wit▀ Spi▀t For Lossy To Lossless Image Compression pdf, An Efficient Modified Structure Of CDF 9/7 Wavelet Based On Adaptive Lifting Wit▀ Spi▀t For Lossy To Lossless Image Compression report, An Efficient Modified Structure Of CDF 9/7 Wavelet Based On Adaptive Lifting Wit▀ Spi▀t For Lossy To Lossless Image Compression ppt,

An Efficient Modified Structure Of CDF 9/7 Wavelet Based On Adaptive Lifting Wit▀ Spi▀t For Lossy To Lossless Image Compression matlab code, An Efficient Modified Structure Of CDF 9/7 Wavelet Based On Adaptive Lifting Wit▀ Spi▀t For Lossy To Lossless Image Compression pdf

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