Spectrum-space dimension combined hyperspectral image lossless compression method and system
A hyperspectral image, lossless compression technology, applied in the field of image processing, can solve the problems of limited compression performance and inability to remove the strong spectral correlation of hyperspectral images.
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[0092] In order to make the objectives, technical solutions, and advantages of the present invention clearer, the following further describes the present invention in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, but not to limit the present invention. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.
[0093] The present invention provides a method for removing the correlation between the spectra of hyperspectral images, which is different from the common real number domain KLT analysis. The method uses a reversible KLT algorithm that can ensure that the transformed data is still an integer. Therefore, the lossless compression method for hyperspectral images designed by the present invention is partic...
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