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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Qiuwen Zhang Ping An Yan Zhang Liquan Shen Zhaoyang Zhang |
| Copyright Year | 2011 |
| Description | Author affiliation: Department of Computer Science and Technology, Anhui University of Finance & Economics, China (Yan Zhang) || School of Communication and Information Engineering, Shanghai University, China (Qiuwen Zhang) || Key Laboratory of Advanced Displays and System Application, Ministry of Education, China (Ping An; Liquan Shen; Zhaoyang Zhang) |
| Abstract | Inaccuracy depth estimation may influence on depth coding and virtual view rendering in the free-viewpoint television (FTV) system, an improved depth map estimation is proposed to solve the problem for coding and view synthesis. Firstly, check the consistency of initial depth, and the influence of initial miss-matches is minimized by introduction of an additional adaptive matching error selection that penalizes the unreliable matches. Then according to certain criteria, the multi-reference depth maps are merged into one disparity map to improve the quality of disparity map. Finally, a multilateral filtering is used to preserve details in the depth map and simultaneously smooth the depths in occluded areas at object boundary, less texture and discontinuity regions. Experimental results show a significant improvement of the initial input depth maps and coding efficiency, as well as a reduction of view synthesis artifacts. |
| Starting Page | 2101 |
| Ending Page | 2104 |
| File Size | 599740 |
| Page Count | 4 |
| File Format | |
| ISBN | 9781457713040 |
| ISSN | 15224880 |
| e-ISBN | 9781457713033 |
| e-ISBN | 9781457713026 |
| DOI | 10.1109/ICIP.2011.6116024 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2011-09-11 |
| Publisher Place | Belgium |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Estimation Image coding Rendering (computer graphics) Transform coding Three dimensional displays Filtering depth coding 3D video depth estimation virtual view rendering |
| Content Type | Text |
| Resource Type | Article |
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