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Digital video quality vision models and metrics phần 7 pps

Digital Video Quality Vision Models and Metrics potx

Digital Video Quality Vision Models and Metrics potx

... Stefan. Digital video quality : vision models and metrics / Stefan Winkler.p. cm.Includes bibliographical references and index.ISBN 0-470-02404-61. Digital video. 2. Image processing Digital ... is necessary to build computational models of the HVS and integratethem in tools for perceptual quality assessment. Digital Video Quality - Vision Models and Metrics Stefan Winkler# 2005 John ... 1/f.30 VISION Simpo PDF Merge and Split Unregistered Version - http://www.simpopdf.com Simpo PDF Merge and Split Unregistered Version - http://www.simpopdf.com Digital Video Quality Vision Models...
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digital video quality vision models and metrics

digital video quality vision models and metrics

... to hybrid standards such as D2-MAC (analog video, digital sound) and delayed the introduction of 100 % digital video. However, the very rapid progress made in compression techniques and IC technology ... algorithms and modulation schemes, which are explained inChapters 6 and 7.We will now examine the principles and various steps of video and audio compression which allow these bit-rates (and in ... standards for broadcasting digital pictures to the consumer, and the solutions chosen for the EuropeanDVB system (Digital Video Broadcasting) based on the internationalMPEG-2 compression standard.The...
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Giáo trình hướng dẫn cách chia tần số theo nguyên lý Flip and Flop phần 7 pps

Giáo trình hướng dẫn cách chia tần số theo nguyên lý Flip and Flop phần 7 pps

... C910UR14220R1368KR1218KR151K8R 17 15C111500PR18680L5R16 470 C 17 C18R221K5Q5Q6R201KD3 D4D5ÑL6D7D8C12D6R246K8C133U3R25C15R30560D2R35500Q4R29330KR314K7R36 5KC16330PL415mR 27 27KR2847KC31200PR266K8C14100U47UV.BLANK ... của IC LA 78 00 hoạt động. R1C19 C18R7C7C1C3R2H.HOLDC4C8R4R3C2R11R18R10C6R8C5R9C11C13R13C16 C 17 R5R15C15R14 C10V.HOLDR23 D6C12R12C14D3C 27 D11 2 3 4 5 6 7 810111213141516 ... sơ đồ nguyên lý: d. Phaân tích maïch: 12 3 4 5 6 7 VERT OUT BOOSTERUPC1 378 1 2 3 4 5 6 7 GNDOUTPUTBST1VccBST2INPUTADJC23 D5C29R22 R24C26R28 C25C28R29R 27 R26C21R25V.HEIGHTD4C9...
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Digital logic testing and simulation phần 7 pps

Digital logic testing and simulation phần 7 pps

... problem for scan. Memory and analog circuits must be iso-lated from the digital logic, circuit partitioning becomes critical, and testing strategies for memories and random logic must now coexist.Sometimes ... the IEEE 1149.1 boundary scan standard.In this section we first look, briefly, at the NAND tree and then look in detail atboundary scan.8.6.1 The NAND TreeThe NAND tree, shown in Figure 8.33, ... boundary-scan register and the bypass register are mandatory, and they are shown in solid lines. The device identification register and the design-specific test data registers are optional, and they are...
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Digital video quality vision models and metrics phần 10 pps

Digital video quality vision models and metrics phần 10 pps

... 19compression 36artifacts 42lossy 36standards 39 video 38cones 11consistency 65contrastband-limited 72isotropic 72 Digital Video Quality - Vision Models and Metrics Stefan Winkler# 2005 John ... 50 video coding 36compression 36, 38interlaced 38, 47progressive 38, 47 quality 35 Video Quality Experts Group(VQEG) 66, 108 viewing conditions 50, 51viewing distance 48 vision 6 vision models ... perceptualimage quality. In Proc. SPIE Human Vision, Visual Processing and Digital Display,vol. 107 7, pp. 209–216, Los Angeles, CA.Roufs, J. A. J. (1992). Perceptual image quality: Concept and measurement....
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Digital video quality vision models and metrics phần 1 pot

Digital video quality vision models and metrics phần 1 pot

... Digital Video Quality 5.2 Video 10 85.2 .1 Test Sequences 10 85.2.2 Subjective Experiments 10 95.2.3 Prediction Performance 11 15.2.4 Discussion 11 55.3 Component Analysis 11 75.3 .1 Dissecting ... Attributes 14 56.4 Summary 14 87 Closing Remarks 14 97 .1 Summary 14 97.2 Perspectives 15 1Appendix: Color Space Conversions 15 5References 15 7Index 17 1CONTENTS vii 3 Video Quality 353 .1 Video ... Experts Groupxiv ACRONYMS Digital Video Quality Vision Models and Metrics Stefan WinklerGenista Corporation, Montreux, Switzerland Digital Video Quality Vision Models and Metrics Stefan WinklerGenista...
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Digital video quality vision models and metrics phần 2 pdf

Digital video quality vision models and metrics phần 2 pdf

... contrast(Michelson, 1 927 ):CMẳLmax LminLmaxỵ Lmin; 2: 3ịwhere Lmin and Lmaxare the luminance extrema of the pattern. Figure 2. 12, the so-called Campbell–Robson chart{(Campbell and Robson, ... 17 mm for the eye,–15 –10 –5 0 5 10 15 20 0 20 406080100 120 140160180 20 0Eccentricity [mm]Receptors [1000/mm 2 ]ConesRodsOptic discFigure 2. 6 The distribution of photoreceptors on ... maximumvisual acuity, and the arrangements of the mosaic of the S-cones as well asthe L- and M-cones can be understood as a consequence of the opticallimitations (and vice versa). 2. 2 .2 Retinal NeuronsThe...
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Digital video quality vision models and metrics phần 3 potx

Digital video quality vision models and metrics phần 3 potx

... of visual quality metrics, from simple pixel-based metrics such as MSE and PSNR to advanced vision- based metrics proposed in recentyears. Digital Video Quality - Vision Models and Metrics Stefan ... contours and edges.ARTIFACTS 43 3. 1 VIDEO CODING AND COMPRESSIONVisual data in general and video in particular require large amounts ofbandwidth and storage space. Uncompressed video at TV-resolution ... arequantized and variable-length coded.Figure 3. 2 Elements of an MPEG-2 video sequence (from S. Winkler et al. (2001), Vision and video: Models and applications, in C. J. van den Branden Lambrecht...
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Digital video quality vision models and metrics phần 4 ppsx

Digital video quality vision models and metrics phần 4 ppsx

... quality ratings. The CVQE is one of the few vision- model based video quality metrics designed for and tested with low bitrate video. 3 .4. 4 Specialized Metrics Metrics based on multi-channel vision ... (from S. Winkler et al. (2001), Vision and video: Models and applications, in C. J. van den Branden Lambrecht (ed.), Vision Models and Applications toImage and Video Processing, chap. 10, Kluwer ... (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, KluwerAcademic...
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Digital video quality vision models and metrics phần 5 doc

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 GroupThe most ambitious performance evaluation of video quality metrics to datewas undertaken by the Video Quality Experts ... sequences and subjective experiments are described in moredetail in sections 5. 2.1 and 5. 2.2.The proponents of video quality metrics in this first phase were CPqD(Brazil), EPFL (Switzerland),{KDD...
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Digital video quality vision models and metrics phần 6 doc

Digital video quality vision models and metrics phần 6 doc

... Lambrecht and Farrell (19 96) . Digital Video Quality - Vision Models and Metrics Stefan Winkler# 2005 John Wiley & Sons, Ltd ISBN: 0-470-02404 -6 The impulse responses of the IIR and FIR filters ... singlesub-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 ... component video Y0C0BC0Rto opponent colorspace.84 MODELS AND METRICS the amount of aliasing in the sub-bands. In the present implementation, the basisfilters have octave bandwidth and octave...
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Digital video quality vision models and metrics phần 7 pps

Digital video quality vision models and metrics phần 7 pps

... (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 ... the spatio-temporal mechanisms in the visual system. As discussed in0 .7 0 .75 0.8 0.85 0.90 .73 0 .74 0 .75 0 .76 0 .77 0 .78 0 .79 0.80.81Pearson linear correlationSpearman rank-order correlationPSNRYYCBCRW-BWB/RG/BYL*L*u*v*L*a*b*betterFigure ... in0 1 2 3 4 5 60 .78 0 .79 0.80.810.820.830.840.850.86Minkowski summation exponentCorrelationPearson SpearmanPearson Spearman0 20 40 60 80 1000 .7 0 .72 0 .74 0 .76 0 .78 0.80.820.840.86Histogram...
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Digital video quality vision models and metrics phần 8 potx

Digital video quality vision models and metrics phần 8 potx

... require more specific quality indicators than an overallrating or a visual distortion map. For instance, it can be useful to assess the Digital Video Quality - Vision Models and Metrics Stefan Winkler# ... sharpẳRsharp~RRsharp and colorẳ Rcolor~RRcolormay be combined with the HVS-136 METRIC EXTENSIONS 1234567 8 1234567 8 1234567 8 1234567 8 1234567 8 1234567 8 1234567 8 1234567 8 1234567 8 010203040506070 80 Scene ... 1234567 8 1234567 8 1234567 8 1234567 8 1234567 8 1234567 8 1234567 8 1234567 8 1234567 8 010203040506070 80 Scene 1Scene 2Scene 3Scene 4Scene 5Scene 6Scene 7Scene 8 Scene 9ConditionDMOS1234567 8 91234567 8 91234567 8 91234567 8 91234567 8 91234567 8 91234567 8 91234567 8 9010203040506070 80 Condition...
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Digital video quality vision models and metrics phần 9 ppsx

Digital video quality vision models and metrics phần 9 ppsx

... Klassen, R. V. ( 199 8). A comparison of two image quality models. InProc. SPIE Human Vision and Electronic Imaging, vol. 3 299 , pp. 98 –1 09, San Jose, CA.Liang, J., Westheimer, G. ( 199 5). Optical ... parameters (Boynton and Foley, 199 9; Foley and Chen, 199 9). Watson et al. (2001) incorporated certain aspects of temporalnoise sensitivity and temporal masking into a video quality metric. Contrast ... the 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#...
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