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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Park, J.W. Lee, S.U. |
| Copyright Year | 1996 |
| Description | Author affiliation: Image Process. Lab., Seoul Nat. Univ., South Korea (Park, J.W.) |
| Abstract | This paper proposes a joint image segmentation and motion estimation technique for very low bit rate video coding. In region-based coding, a segmentation algorithm is indispensable. Motivated by the observations of the conventional algorithm, we propose a jointly optimized image segmentation and motion estimation algorithm. In our algorithm, the input image is split into a quadtree structure, and the split regions are merged by a greedy merging algorithm (GMA). In each step of GMA, two regions which have the minimum cost are merged. Since we have chosen the cost as the increase of displaced frame difference (DFD) energy, the image is segmented into a set of regions with minimum DFD energy. By computer simulation, we show the segmentation results have much lower DFD energy compared to the block-based motion estimation. |
| Starting Page | 501 |
| Ending Page | 504 |
| File Size | 1064219 |
| Page Count | 4 |
| File Format | |
| ISBN | 0780332598 |
| DOI | 10.1109/ICIP.1996.560901 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 1996-09-19 |
| Publisher Place | Switzerland |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Image segmentation Motion estimation Bit rate Video coding Image coding Merging Cost function Design for disassembly Image storage Tree graphs |
| Content Type | Text |
| Resource Type | Article |
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