Joint video/depth bit allocation for 3D video coding based on distortion of synthesized view
The joint coding of texture videos and depth maps plays a practical importance in three dimensional (3D) video system. Besides coding efficiency, the strategy of bit allocation between texture videos and depth maps is key issue. The paper firstly analyses the impacts on the quality of virtual views...
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| Vydáno v: | IEEE international Symposium on Broadband Multimedia Systems and Broadcasting s. 1 - 6 |
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| Jazyk: | angličtina |
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IEEE
01.06.2012
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| ISBN: | 1467302937, 9781467302937 |
| ISSN: | 2155-5044 |
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| Abstract | The joint coding of texture videos and depth maps plays a practical importance in three dimensional (3D) video system. Besides coding efficiency, the strategy of bit allocation between texture videos and depth maps is key issue. The paper firstly analyses the impacts on the quality of virtual views from the joint coding of texture videos and depth maps. Then the paper explores the relationship and establishes a quadratic model between texture video quantization step Q t and depth map quantization step Q d . Consequently, the paper proposes a joint bit allocation scheme based on the model to get the optimal quality of the synthesized views. Experimental results show that the proposed scheme has a better rate-distortion (RD) performance for the synthesized views, compared with fixed bits ratio between texture videos and depth maps, i. e. 5:1. |
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| AbstractList | The joint coding of texture videos and depth maps plays a practical importance in three dimensional (3D) video system. Besides coding efficiency, the strategy of bit allocation between texture videos and depth maps is key issue. The paper firstly analyses the impacts on the quality of virtual views from the joint coding of texture videos and depth maps. Then the paper explores the relationship and establishes a quadratic model between texture video quantization step Q t and depth map quantization step Q d . Consequently, the paper proposes a joint bit allocation scheme based on the model to get the optimal quality of the synthesized views. Experimental results show that the proposed scheme has a better rate-distortion (RD) performance for the synthesized views, compared with fixed bits ratio between texture videos and depth maps, i. e. 5:1. |
| Author | Gangyi Jiang Zongju Peng Fucui Li Feng Shao Gaofeng Zhu Mei Yu |
| Author_xml | – sequence: 1 surname: Gaofeng Zhu fullname: Gaofeng Zhu email: zgfpig@126.com organization: Fac. of Inf. Sci. & Eng., Ningbo Univ., Ningbo, China – sequence: 2 surname: Gangyi Jiang fullname: Gangyi Jiang email: jianggangyi@126.com organization: Fac. of Inf. Sci. & Eng., Ningbo Univ., Ningbo, China – sequence: 3 surname: Mei Yu fullname: Mei Yu organization: Fac. of Inf. Sci. & Eng., Ningbo Univ., Ningbo, China – sequence: 4 surname: Fucui Li fullname: Fucui Li organization: Fac. of Inf. Sci. & Eng., Ningbo Univ., Ningbo, China – sequence: 5 surname: Feng Shao fullname: Feng Shao organization: Fac. of Inf. Sci. & Eng., Ningbo Univ., Ningbo, China – sequence: 6 surname: Zongju Peng fullname: Zongju Peng organization: Fac. of Inf. Sci. & Eng., Ningbo Univ., Ningbo, China |
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| Snippet | The joint coding of texture videos and depth maps plays a practical importance in three dimensional (3D) video system. Besides coding efficiency, the strategy... |
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| SubjectTerms | 3-D and multi-view video Bit rate Complexity theory Encoding Joints Portable computers Quantization rate control Streaming media synthesized view distortion video/depth bit allocation |
| Title | Joint video/depth bit allocation for 3D video coding based on distortion of synthesized view |
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