Abstract: Image Compression is necessary,because the image data is huge,not easily store and transmit.Image compression can be divided into lossless one and lossy compression according to whether decoding date is identical with original ones.Lossy compression conducts the compression with partial loss of image information under the condition of not affecting the visual effects,which is image compression with DCT coding as the core with the processes of the conversion of coder mode,sampling,DCT,quantization and coding.JPEG2000 with wavelets are becoming widely used as the upper of JPEG compress standard.
Publication Year: 2008
Publication Date: 2008-01-01
Language: en
Type: article
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