An Improved EZW Hyperspectral Image Compression
نویسندگان
چکیده
منابع مشابه
An Improved EZW Hyperspectral Image Compression
The paper describes an efficient lossy and lossless three dimensional (3D) image compression of hyperspectral images. The method adopts the 3D spatial-spectral hybrid transform and the proposed transform-based coder. The hybrid transforms are that Karhunen-Loève Transform (KLT) which decorrelates spectral data of a hyperspectral image, and the integer Discrete Wavelet Transform (DWT) which is a...
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The EZW Embedded Zerotree Wavelet like image compression algorithms lack the error resilience ability in noisy transmission environments We propose the channel optimized source coding scheme to improve the robustness of them First a block based method is adopted to localize the error e ects Then we assign bits to each block by applying dynamic bit allocation to the block based EZW algorithm bas...
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Amount of noise included in a hyperspectral image limits its application and has a negative impact on hyperspectral image classification, unmixing, target detection, and so on. The data that are contaminated with noise can cause a failure to extract valuable information and hamper further interpretation. The presence of noise in the image, extraction of all the useful information becomes diffic...
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ژورنال
عنوان ژورنال: Journal of Computer and Communications
سال: 2014
ISSN: 2327-5219,2327-5227
DOI: 10.4236/jcc.2014.22006