Visual fidelity and perceived quality: Towards comprehensive metrics

被引:31
作者
Winkler, S [1 ]
机构
[1] Ecole Polytech Fed Lausanne, Genimedia, CH-1015 Lausanne, Switzerland
来源
HUMAN VISION AND ELECTRONIC IMAGING VI | 2001年 / 4299卷
关键词
image appeal; vision modeling; video quality assessment; perceptual distortion metric;
D O I
10.1117/12.429540
中图分类号
TP18 [人工智能理论];
学科分类号
081104 [模式识别与智能系统]; 0812 [计算机科学与技术]; 0835 [软件工程]; 1405 [智能科学与技术];
摘要
Traditional visual quality metrics measure fidelity instead of quality, even though fidelity, i.e. the accuracy of the reproduction of the original on the display, is just one of the many factors determining the overall perceived quality. In this paper, the addition of image appeal attributes is investigated in order to bridge this gap. Sharpness and colorfulness are identified among these attributes and are quantified by means of an isotropic local contrast measure and the distribution of chroma, respectively. The benefits of using these attributes are demonstrated with the help of data from subjective experiments.
引用
收藏
页码:114 / 125
页数:12
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