>%+J&L%( %>>#) >M>>NM>O!"#$%Mathematical model and performance research of H,的数,学模,型及,性能,研究" />
Mathematical model and performance research of H263_digital video! \"#$#%&\' (#\")*Article number: #>>%+J&L%( %>>#) >\'M>>N\'M>O!\"#$%Mathematical model and performance research of H263_digital video! \"#$#%&\' (#\")*Article number: #>>%+J&L%( %>>#) >\'M>>N\'M>O!\"#$%Yang Chengjun, Quan Ziyi (Image Processing and Transmission Laboratory, Beijing University of Posts and Telecommunications, Beijing#>>JN& )・Paper・【Abstract】 According to the standard and test model of H263_, the encoding and decoding process of H263_ and some of its options are mathematically described)25J). Finally, the encoding and decoding results of H263_ are compared with those of H263_ in terms of subjective and objective effects. Moreover, H263_ is obviously better than H263_, and the added complexity and calculation amount are very small. Several options that significantly improve the coding efficiency are analyzed. 【Keywords】 H263_standard; H263_standard; video coding standard; video compression coding; video conferencing【 &\'()*+,) 】 (= AP;: Q!Q89, AP8 Q9
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