Digital video quality vision models and metrics phần 5 doc

... (from S. Winkler et al . (2001), Vision and video: Models and applications, in C. J. van den Branden Lambrecht (ed.), Vision Models and Applications to Image and Video Processing, chap. 10, Kluwer ... motion energy and combinations thereof. 3 .5. 3 Video Quality Experts Group The most ambitious performance evaluation of video quality metrics to date was undertak...

Ngày tải lên: 14/08/2014, 12:21

... single sub-band, whose actual frequency response is plotted (b) (from S. Winkler et al. (2001), Vision and video: Models and applications, in C. J. van den Branden Lambrecht (ed.), Vision Models and ... Lambrecht and Farrell (1996). Digital Video Quality - Vision Models and Metrics Stefan Winkler # 20 05 John Wiley & Sons, Ltd ISBN: 0-470-02404-6 The impuls...

Ngày tải lên: 14/08/2014, 12:21

... 94 progressive video 38, 47 propagation of errors 46 PSNR 54 psychometric function 94 psychophysics 51 pupil 8, 20 quality subjective 48 quality assessment metrics 54 procedures 51 subjective 51 quality metrics ... 47 progressive 38, 47 quality 35 Video Quality Experts Group (VQEG) 66, 108 viewing conditions 50 , 51 viewing distance 48 vision 6 vision model...

Ngày tải lên: 09/08/2014, 19:21

... Experts Group xiv ACRONYMS Digital Video Quality Vision Models and Metrics Stefan Winkler Genista Corporation, Montreux, Switzerland Digital Video Quality Vision Models and Metrics Stefan Winkler Genista ... Digital Video Quality 5. 2 Video 108 5. 2.1 Test Sequences 108 5. 2.2 Subjective Experiments 109 5. 2.3 Prediction Performance 111 5. 2.4 Discuss...

Ngày tải lên: 14/08/2014, 12:21

... retina, L- and M-cones are in the majority; S-cones are much { Sometimes they are also referred to as red, green, and blue cones, respectively. 400 450 50 0 55 0 600 650 700 0 0.1 0.2 0.3 0.4 0 .5 0.6 0.7 0.8 0.9 1 Wavelength ... three cone types are shown in Figure 2 .5. The peak sensitivities occur around 440 nm, 54 0 nm, and 57 0 nm. As can be seen, the absorption spectra of th...

Ngày tải lên: 14/08/2014, 12:21

... of visual quality metrics, from simple pixel-based metrics such as MSE and PSNR to advanced vision- based metrics proposed in recent years. Digital Video Quality - Vision Models and Metrics Stefan ... den Branden Lambrecht (ed.), Vision Models and Applications to Image and Video Processing, chap. 10, Kluwer Academic Publishers. Copyright # 2001 Springer. Used...

Ngày tải lên: 14/08/2014, 12:21

... (from S. Winkler et al. (2001), Vision and video: Models and applications, in C. J. van den Branden Lambrecht (ed.), Vision Models and Applications to Image and Video Processing, chap. 10, Kluwer ... displays, front and back 2 3 4 5 6 7 8 5 10 15 20 25 30 D/H Visual angle [deg] 2 3 4 5 6 7 8 5 10 15 20 25 30 35 40 D/H Resolution [cpd] HDTV (1080 lines)...

Ngày tải lên: 14/08/2014, 12:21

... the 95% confidence intervals of the subjective ratings (from S. Winkler et al. (2001), Vision and video: Models and applications, in C. J. van den Branden Lambrecht (ed.), Vision Models and Applications ... Q High Q 50 Hz 60 Hz Pearson non-linear correlation 0.2 0.3 0.4 0 .5 0.6 0.7 0.8 0.9 1 All Low Q High Q 50 Hz 60 Hz Spearman rank-order correlation 0 .5 0 .55 0.6 0. 65...

Ngày tải lên: 14/08/2014, 12:21

... and the viewing distance was five times the display height. 1 1 .5 2 2 .5 3 3 .5 4 4 .5 5 1 1 .5 2 2 .5 3 3 .5 4 4 .5 5 PBDM prediction Subjective MOS on blocking 1 1 .5 2 2 .5 3 3 .5 4 4 .5 5 1 1 .5 2 2 .5 3 3 .5 4 4 .5 5 PSNR-based ... of confidence intervals 0 10 20 30 40 50 60 70 80 0 2 4 6 8 10 12 Subjective DMOS Occurrences 3 3 .5 4 4 .5 5 5. 5 6 6 .5 7 7 .5 0 2 4...

Ngày tải lên: 14/08/2014, 12:21

... fundamentals of digital imaging systems. Image and video coding standards already exploit certain properties of the human visual Digital Video Quality - Vision Models and Metrics Stefan Winkler # 20 05 John ... cortex. Vision Research 22 (5) :53 1 54 4. De Valois, R. L., Albrecht, D. G., Thorell, L. G. (1982b). Spatial frequency selecitivity of cells in macaque visual c...

Ngày tải lên: 14/08/2014, 12:21