階層符号化システムの評価と検討 : 画像通信システム

概要

論文の詳細を見る
The hierarchical coding technique is useful for randam access and error concealment, because it is possible to extract part of VLC. But it may have two problems: deterioration of coding efficiency by hierarchical structure, and the difficulty of rate control on each layer. In this paper, the hierarchical structure is built on DCT coefficients. To establish the better hierarchical system, the minimum required bits on Lower frequency Layer is considered, and the techinical studies on rate control and high picture quality method are discussed.
社団法人映像情報メディア学会の論文
1992-10-15