Reversible integer-to-integer wavelet transforms for image compression: performance evaluation and analysis
نویسندگان
چکیده
منابع مشابه
Reversible integer-to-integer wavelet transforms for image compression: performance evaluation and analysis
In the context of image coding, a number of reversible integer-to-integer wavelet transforms are compared on the basis of their lossy compression performance, lossless compression performance, and computational complexity. Of the transforms considered, several were found to perform particularly well, with the best choice for a given application depending on the relative importance of the preced...
متن کاملPerformance Evaluation of Reversible Integer-to-Integer Wavelet Transforms for Image Compression
A number of reversible integer-to-integer wavelet transforms are compared on the basis of their lossy compression performance, lossless compression performance, and computational complexity. Of the transforms considered, several were found to perform particularly well, with the best choice for a given application depending on the relative importance of lossless compression performance, lossy co...
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Comparison of the lossless compression performances of diierent integer wavelet transforms on other images (in bpp).
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Invertible wavelet transforms that map integers to integers are important for lossless representations. In this paper, we present an approach to build integer to integer wavelet transforms based upon the idea of factoring wavelet transforms into lifting steps. This allows the construction of an integer version of every wavelet transform. We demonstrate the use of these transforms in lossless im...
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Symmetric extension is explored as a means for constructing nonexpansive reversible integer-to-integer (ITI) wavelet transforms for finite-length signals. Two families of reversible ITI wavelet transforms are introduced, and their constituent transforms are shown to be compatible with symmetric extension. One of these families is then studied in detail, and several interesting results concernin...
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ژورنال
عنوان ژورنال: IEEE Transactions on Image Processing
سال: 2000
ISSN: 1057-7149
DOI: 10.1109/83.846244