Objective picture quality scale for video images (PQSvideo): definition of distortion factors

Yamashita Tetsuji; Masashi Kameda; Makoto M. Miyahara

doi:10.1117/12.386680

30 May 2000 Objective picture quality scale for video images (PQSvideo): definition of distortion factors

Yamashita Tetsuji, Masashi Kameda, Makoto M. Miyahara

Proceedings Volume 4067, Visual Communications and Image Processing 2000; (2000) https://doi.org/10.1117/12.386680
Event: Visual Communications and Image Processing 2000, 2000, Perth, Australia

Abstract

We propose a PQS_video (Picture Quality Scale for moving image), a method of objective quality assessment for coded moving images. We expect that the proposed PQS_video approximates subjective assessment well. In PQS_video, we define essential distortion factors considering not only global distortions (such as random noise) but also distortions on local features. Then, we describe each distortion metrically considering human visual perception. The PQS_video is given by a linear combination of define each essential distortion factor, utilizing the principal component analysis method and the multiple regression analysis method between quantity of each essential distortion factor and MOS (Mean Opinion Score) obtained by assessment test. We have confirmed that the PQS_video approximates MOS successfully.

Citation Download Citation

Yamashita Tetsuji, Masashi Kameda, and Makoto M. Miyahara "Objective picture quality scale for video images (PQSvideo): definition of distortion factors", Proc. SPIE 4067, Visual Communications and Image Processing 2000, (30 May 2000); https://doi.org/10.1117/12.386680

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