Scaling, wavelets, image compression, and encoding NASA’s extensive image compression requirements may be met in part by the use of wavelet techniques.1 Wavelets form a large class of signal and image transforms, generally characterized by decomposition into a set of self-similar signals that vary in scale and (in 2D) orientation.2 The Discrete Wavelet Transform (DWT) is a particular member of this family which operates on discrete sequences, and which has proven to be an effective tool in image compression

10.1.1.165.9124.pdf

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