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Multiple Region-of-Interest Support in Scalable Video Coding
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- Authors
- Tae Meon Bae, Truong Cong Thang, Duck Yeon Kim, Yong Man Ro, Jung Won Kang, Jae Gon Kim
- Issue Date
- 2006-04
- Citation
- ETRI Journal, v.28, no.2, pp.239-242
- ISSN
- 1225-6463
- Publisher
- 한국전자통신연구원 (ETRI)
- Language
- English
- Type
- Journal Article
- Project Code
- 06MR2600, Development of Ubiquitous Content Access Technology for Convergence of Broadcasting and Communications, Kim Jae Gon
- Abstract
- In this letter, we propose a new functionality to scalable video coding (SVC), that is, the support of multiple region of interests (ROIs) for heterogeneous display resolution. The main objective of SVC is to provide temporal, spatial, and quality scalability of an encoded bitstream. The ROI is an area that is semantically important to a particular user, especially users with heterogeneous display resolutions. Less transmission bandwidth is needed compared to when the entire region is transmitted/decoded and then sub-sampled or cropped. To support multiple ROIs in SVC, we adopt flexible macroblock ordering (FMO), a tool defined in H.264, and based on it, we propose a way to encode and, independently, decode ROIs. The proposed method is implemented on the joint scalable video model (JSVM) and its functionality verified.
- KSP Keywords
- Flexible macroblock ordering, Region Of Interest(ROI), Scalable Video Coding, Sub-sampled, Video model, display resolution, multiple region, transmission bandwidth