Visual quality assessment is an interdisciplinary topic that links image/video processing, psychology and physiology. Many engineers are familiar with the image/video processing; transmission networks side of things but not with the perceptual aspects pertaining to quality. Digital Video Quality first introduces the concepts of human vision and visual quality. Based on these, specific video quality metrics are developed and their design is presented. These metrics are then evaluated and used in a number of applications, including image/video compression, transmission and watermarking.Introduces the concepts of human vision and vision quality.Presents the design and development of specific video quality metrics.Evaluates video quality metrics in the context of image/video compression, transmission and watermarking.Presents tools developed for the analysis of video quality
Author(s): Winkler S.
Publisher: Wiley
Year: 2005
Language: English
Pages: 190
Tags: Информатика и вычислительная техника;Обработка медиа-данных;Обработка изображений;
Contents......Page 6
About the Author......Page 10
Acknowledgements......Page 12
Acronyms......Page 14
1.1 MOTIVATION......Page 16
1.2 OUTLINE......Page 18
2.1 EYE......Page 20
2.2 RETINA......Page 25
2.3 VISUAL PATHWAYS......Page 31
2.4 SENSITIVITY TO LIGHT......Page 35
2.5 COLOR PERCEPTION......Page 40
2.6 MASKING AND ADAPTATION......Page 43
2.7 MULTI-CHANNEL ORGANIZATION......Page 46
2.8 SUMMARY......Page 48
3 Video Quality......Page 50
3.1 VIDEO CODING AND COMPRESSION......Page 51
3.2 ARTIFACTS......Page 57
3.3 VISUAL QUALITY......Page 62
3.4 QUALITY METRICS......Page 69
3.5 METRIC EVALUATION......Page 79
3.6 SUMMARY......Page 85
4 Models and Metrics......Page 86
4.1 ISOTROPIC CONTRAST......Page 87
4.2 PERCEPTUAL DISTORTION METRIC......Page 97
4.3 SUMMARY......Page 117
5.1 STILL IMAGES......Page 118
5.2 VIDEO......Page 123
5.3 COMPONENT ANALYSIS......Page 132
5.4 SUMMARY......Page 138
6.1 BLOCKING ARTIFACTS......Page 140
6.2 OBJECT SEGMENTATION......Page 144
6.3 IMAGE APPEAL......Page 148
6.4 SUMMARY......Page 163
7.1 SUMMARY......Page 164
7.2 PERSPECTIVES......Page 166
Appendix: Color Space Conversions......Page 170
References......Page 172
Index......Page 186
