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- W2024663872 abstract "Aiming at the problems of complicated convolution process of traditional wavelet transform and the unsatisfied effect of SPIHT algorithm for texture image compression, an improved SPIHT algorithm for texture image compression is proposed. At first, the texture image is decomposed into N order with the help of the lifting wavelet and the first-order high frequency sub-bands are decomposed into N-1 order by the lifting wavelet, and then the wavelet coefficients are encoded by the improved SPIHT algorithm. The improved SPIHT algorithm improved the process method of the wavelet coefficients in the low-frequency sub-bands and the detection method of some important coefficient in the L collection of the original SPIHT algorithm. Experiments show that the improved algorithm can retain the texture information of texture image more effectively and the quality of reconstructed image and peak signal to noise ratio are better than the original algorithm at the same rate. The effect is better especially at low rate, so the improved algorithm is an efficient compression method for texture image." @default.
- W2024663872 created "2016-06-24" @default.
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- W2024663872 date "2014-08-01" @default.
- W2024663872 modified "2023-09-26" @default.
- W2024663872 title "Improved SPIHT Algorithm for Texture Image Compression" @default.
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- W2024663872 doi "https://doi.org/10.4028/www.scientific.net/amm.619.311" @default.
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