Abstract
This paper presents a new video segmentation scheme for object-oriented MPEG-4 video coding. In the scheme, the object motion is modeled by quadratic transform with coefficients estimated via a nonlinear Quasi-Newton method. To effectively merge the regions with similar motions within an image, a region merging process, which is guided by a weighted region adjacency graph, is employed. Simulation results show the proposed scheme provides high performance in terms of segmentation accuracy and video compression ratio.
| Original language | English |
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| Publication status | Published - 2004 |
| Event | International workshop on systems, signals and image processing. - Poznan, Poland Duration: 13 Sept 2004 → 15 Sept 2004 |
Conference
| Conference | International workshop on systems, signals and image processing. |
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| Country/Territory | Poland |
| City | Poznan |
| Period | 13/09/04 → 15/09/04 |
Bibliographical note
This paper presents a new video segmentation scheme for object-oriented MPEG-4 video coding. In the scheme, the object motion is modeled by quadratic transform with coefficients estimated via a nonlinear Quasi-Newton method. To effectively merge the regions with similar motions within an image, a region merging process, which is guided by a weighted region adjacency graph, is employed. Simulation results show the proposed scheme provides high performance in terms of segmentation accuracy and video compression ratio.Fingerprint
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