Digital maps can best stored and distributed electronically using compressed raster image formats.We introduce as to rage system for the map images that supports compact storage size,decompression of partial image,and smooth transitions between var

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3D SPIHT algorithm I wrote bandelet domain-based SPIHT image compression algorithm. SPIHT is better than a good classic. Article has been distributed, I hope the code useful for everyone.-3D SPIHT algorithm I wrote bandelet domain-based SPIHT image