Evaluation method of degradation in image quality of color motion pictures due to H.264/AVC codec

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  • MATSUMOTO Naoya
    Chiba University, Graduate School of Advanced Integration Science
  • ABE Tokiya
    Chiba University, Research Center for Frontier Medical Engineering
  • HANEISHI Hideaki
    Chiba University, Research Center for Frontier Medical Engineering

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Other Title
  • H.264/AVCにより圧縮されたカラー動画像の画質劣化の評価方法(映像表現&コンピュータグラフィックス)
  • H.264/AVCにより圧縮されたカラー動画像の画質劣化の評価方法
  • H 264 AVC ニ ヨリ アッシュクサレタ カラー ドウガゾウ ノ ガシツ レッカ ノ ヒョウカ ホウホウ

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Abstract

In codec of motion pictures a good measure for evaluating the image quality including the color reproduction is strongly desired to determine a proper compression rate. In this article, we focus on the image quality of motion pictures compressed by H.264/AVC codec which is receiving increased attention. At first, S-CIELAB color difference calculation was applied to the frames of motion pictures after H.264/AVC codec. The performance was better than CIELAB color difference but not satisfactory. We then limited the region of calculation of CIELAB color difference to the smooth regions where compression error tends to attract attention of observers. Experimental results showing that the modification is promising were obtained.

Journal

  • ITE Technical Report

    ITE Technical Report 32.34 (0), 53-56, 2008

    The Institute of Image Information and Television Engineers

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