テレビジョン学会技術報告
Online ISSN : 2433-0914
Print ISSN : 0386-4227
放送画質からみたMPEG2符号化の所要ビットレート
神田 菊文青木 勝典中須 英輔
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研究報告書・技術報告書 フリー

1996 年 20 巻 19 号 p. 13-17

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抄録

A relationship between bitrate and picture quality is a major issue of interest for digital broadcasting sevices. Since picture quality in digital coding depends largely on such picture characteristics as spatial detail and motion, estimation of picture quality of TV program material requires statistical analysis. We have defined "criticality", a quantitative measure of difficulty for digital coding, to analyze picture quality of TV programs statistically. We estimated desired bitrate for digital broadcasting system based on user requirements using statistical analysis of criticality.

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© 1996 一般社団法人映像情報メディア学会
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