Evaluating perceptually prefiltered video

被引：0

作者：

Steiger, O ^{[1
]}

Ebrahimi, T ^{[1
]}

Cavallaro, A ^{[1
]}

机构：

[1] Ecole Polytech Fed Lausanne, Signal Proc Inst, CH-1015 Lausanne, Switzerland

来源：

2005 IEEE International Conference on Multimedia and Expo (ICME), Vols 1 and 2 | 2005年

关键词：

D O I：

暂无

中图分类号：

TP18 [人工智能理论];

学科分类号：

081104 ; 0812 ; 0835 ; 1405 ;

摘要：

Perceptual prefiltering is the process of enhancing relevant portion, of an image or of a video, and of simplifying contextual information in order to improve the perceived quality or the compression ratio. In this paper, we discuss the results of subjective quality evaluation experiments performed to assess the impact of perceptual prefiltering on video coding and we propose an objective quality metric that mimics the behavior of human observers. The predicted performance of the proposed metric is consistent with the subjective evaluation scores. Experimental results demonstrate that perceptual prefiltering leads to quality improvements by up to 10% at low bitrates.

引用

页码：1291 / 1294

页数：4

共 8 条

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