constant quality constrained rate allocation for fgs-coded video xi min zhang, student member, ieee,...
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![Page 1: Constant Quality Constrained Rate Allocation for FGS-Coded Video Xi Min Zhang, Student Member, IEEE, Anthony Vetro, Member, IEEE, Yun Q. Shi, Senior Member,](https://reader030.vdocument.in/reader030/viewer/2022032704/56649d4e5503460f94a2dae3/html5/thumbnails/1.jpg)
Constant Quality Constrained Rate Allocation for FGS-Coded Video
Xi Min Zhang, Student Member, IEEE, Anthony Vetro, Member, IEEE, Yun Q. Shi,
Senior Member, IEEE, andHuifang Sun, Fellow, IEEE
IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS FOR VIDEO TECHNOLOGY, VOL. 13, NO. 2, FEBRUARY 2003
![Page 2: Constant Quality Constrained Rate Allocation for FGS-Coded Video Xi Min Zhang, Student Member, IEEE, Anthony Vetro, Member, IEEE, Yun Q. Shi, Senior Member,](https://reader030.vdocument.in/reader030/viewer/2022032704/56649d4e5503460f94a2dae3/html5/thumbnails/2.jpg)
Outline
Introduction Background of optimal rate allocation R-D extraction of FGS coded video Constant quality rate allocation
for single FGS source for multiple FGS source
Experimental Results Concluding Remarks
![Page 3: Constant Quality Constrained Rate Allocation for FGS-Coded Video Xi Min Zhang, Student Member, IEEE, Anthony Vetro, Member, IEEE, Yun Q. Shi, Senior Member,](https://reader030.vdocument.in/reader030/viewer/2022032704/56649d4e5503460f94a2dae3/html5/thumbnails/3.jpg)
Introduction
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FGS encoded video
base layer
enhancement layer
![Page 4: Constant Quality Constrained Rate Allocation for FGS-Coded Video Xi Min Zhang, Student Member, IEEE, Anthony Vetro, Member, IEEE, Yun Q. Shi, Senior Member,](https://reader030.vdocument.in/reader030/viewer/2022032704/56649d4e5503460f94a2dae3/html5/thumbnails/4.jpg)
Introduction(2)
Goal: achieve constant quality
minimize the overall distortion at the same time
![Page 5: Constant Quality Constrained Rate Allocation for FGS-Coded Video Xi Min Zhang, Student Member, IEEE, Anthony Vetro, Member, IEEE, Yun Q. Shi, Senior Member,](https://reader030.vdocument.in/reader030/viewer/2022032704/56649d4e5503460f94a2dae3/html5/thumbnails/5.jpg)
Background of optimal rate allocation
λ: lagrngian multiplier
minimize the cost function J(λ)
minimize the variation in quality
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![Page 6: Constant Quality Constrained Rate Allocation for FGS-Coded Video Xi Min Zhang, Student Member, IEEE, Anthony Vetro, Member, IEEE, Yun Q. Shi, Senior Member,](https://reader030.vdocument.in/reader030/viewer/2022032704/56649d4e5503460f94a2dae3/html5/thumbnails/6.jpg)
R-D extraction of FGS coded video
R-D extraction for enhancement layer
(a)Spatial domain (b)DCT domain
![Page 7: Constant Quality Constrained Rate Allocation for FGS-Coded Video Xi Min Zhang, Student Member, IEEE, Anthony Vetro, Member, IEEE, Yun Q. Shi, Senior Member,](https://reader030.vdocument.in/reader030/viewer/2022032704/56649d4e5503460f94a2dae3/html5/thumbnails/7.jpg)
R-D extraction of FGS coded video(2)
piecewise-linear model:
piecewise-exponential model:
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![Page 8: Constant Quality Constrained Rate Allocation for FGS-Coded Video Xi Min Zhang, Student Member, IEEE, Anthony Vetro, Member, IEEE, Yun Q. Shi, Senior Member,](https://reader030.vdocument.in/reader030/viewer/2022032704/56649d4e5503460f94a2dae3/html5/thumbnails/8.jpg)
Constant quality rate allocation
rate allocation
rate allocation by sliding-window
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![Page 9: Constant Quality Constrained Rate Allocation for FGS-Coded Video Xi Min Zhang, Student Member, IEEE, Anthony Vetro, Member, IEEE, Yun Q. Shi, Senior Member,](https://reader030.vdocument.in/reader030/viewer/2022032704/56649d4e5503460f94a2dae3/html5/thumbnails/9.jpg)
Constant quality rate allocation(2)
sliding window approach for multiple FGS source
![Page 10: Constant Quality Constrained Rate Allocation for FGS-Coded Video Xi Min Zhang, Student Member, IEEE, Anthony Vetro, Member, IEEE, Yun Q. Shi, Senior Member,](https://reader030.vdocument.in/reader030/viewer/2022032704/56649d4e5503460f94a2dae3/html5/thumbnails/10.jpg)
Constant quality rate allocation(3)
sliding window approach for multiple FGS source
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![Page 11: Constant Quality Constrained Rate Allocation for FGS-Coded Video Xi Min Zhang, Student Member, IEEE, Anthony Vetro, Member, IEEE, Yun Q. Shi, Senior Member,](https://reader030.vdocument.in/reader030/viewer/2022032704/56649d4e5503460f94a2dae3/html5/thumbnails/11.jpg)
Experimental Results
![Page 12: Constant Quality Constrained Rate Allocation for FGS-Coded Video Xi Min Zhang, Student Member, IEEE, Anthony Vetro, Member, IEEE, Yun Q. Shi, Senior Member,](https://reader030.vdocument.in/reader030/viewer/2022032704/56649d4e5503460f94a2dae3/html5/thumbnails/12.jpg)
Experimental Results(2)
![Page 13: Constant Quality Constrained Rate Allocation for FGS-Coded Video Xi Min Zhang, Student Member, IEEE, Anthony Vetro, Member, IEEE, Yun Q. Shi, Senior Member,](https://reader030.vdocument.in/reader030/viewer/2022032704/56649d4e5503460f94a2dae3/html5/thumbnails/13.jpg)
Experimental Results(3)
![Page 14: Constant Quality Constrained Rate Allocation for FGS-Coded Video Xi Min Zhang, Student Member, IEEE, Anthony Vetro, Member, IEEE, Yun Q. Shi, Senior Member,](https://reader030.vdocument.in/reader030/viewer/2022032704/56649d4e5503460f94a2dae3/html5/thumbnails/14.jpg)
Concluding Remarks
An R-D labeling scheme was proposed The sliding-window-based rate-allocation
method