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In this paper, we propose an effective block compressed sensing algorithm using projected Land Weber based on bivariate shrinkage (BCS PL-BS) for natural images, and an improved noise variance estimation method is presented by using soft-thresholding bivariate shrinkage model for wavelet-based image denoising, which can more effectively remove noise and achieve better image reconstruction quality...
In this paper, an effective block compressed sensing algorithm based on improved noise variance estimation method is proposed for hyperspectral images. The reconstruction process adopts the iterative projected Landweber and soft-thresholding bivariate shrinkage image denoising based on three-dimensional wavelet transform. The improved noise variance estimation method can more effectively remove noise...
In this paper, we propose an effective quantized block compressed sensing algorithm using projected Landweber based on vicariate shrinkage (BCS PL-BS) for natural images. Moreover, an improved noise variance estimation method is presented by using soft-thresholding vicariate shrinkage model for wavelet-based image demising, which can more effectively estimate the noise variance and achieve better...
In this paper, we propose an improved AT-3D SPIHT algorithm for hyperspectral image lossy-to-lossless compression. According to the characteristic of Xiongpsilas 3D integer wavelet packet transform and the AT-3D SPIHTpsilas zerotree structure, we construct a more effective asymmetric 3D zerotree structure which not only has longer wavelet zerotree but also can cluster wavelet zero coefficients more...
In this paper, we propose a hyperspectral image lossless compression coder based on three-dimensional set partitioned embedded zero block coding (3D SPEZBC) algorithm. This coder adopts the 3D integer wavelet packet transform to decorrelate and the set-based partitioning zero block coding to process bitplane coding. It not only provides the same excellent coding performances as the 3D EZBC algorithm,...
In this paper, we propose a hyperspectral image lossy-to-lossless compression coder based on the Three-Dimensional Embedded ZeroBlock Coding (3D EZBC) algorithm. This coder adopts the three-dimensional integer wavelet packet transform with unitary scaling to decorrelate and the 3D EZBC algorithm without motion compensation to process bitplane zeroblock coding. For hyperspectral image compression using...
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