2値算術符号による画像情報の圧縮符号化

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  • 2チ サンジュツ フゴウ ニ ヨル ガゾウ ジョウホウ ノ アッシュク フゴウ
  • Binary Arithmetic Coding of Images

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The image has a huge amount of data. So a huge amount of memory device is necessary for storage. In this paper, we propose a novel approach to data compression of images. Usually multi-level data such as image is encoded by multi-level encoder which has very complex scheme. We decomposed a multi-level outcome emitted from the source into binary letters. Then the data of binary letters is encoded directly by the binary arithmetic encoder which is very powerful for compression of data. An adaptive scheme for data with unknown statistics and Markoff model coding scheme for removing redundancy by correlation between neighboring pixels is considered. We show the performance for various types of image.

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