Image sequence analysis for emerging interactive multimedia services - The European COST 211 framework

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1998-11-01

Author

Alatan, Abdullah Aydın
WOLLBORN, MİCHAEL
MECH, RONALD
TUNCEL, ERTEM
Sikora, T

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Flexibility and efficiency of coding, content extraction, and content-based search are key research topics in the field of interactive multimedia. Ongoing ISO MPEG-4 and MPEG-7 activities are targeting standardization to facilitate such services. European COST Telecommunications activities provide a framework for research collaboration. COST 211(bis) and COST 211(ter) activities have been instrumental in the definition and development of the ITU-T H.261 and H.263 standards for video-conferencing over ISDN and videophony ol er regular phone lines, respectively. The group has also contributed significantly to the ISO MPEG-4 activities. At present a significant effort of the COST 211(ter) group activities is dedicated toward image and video sequence analysis and segmentation-an important technological aspect for the success of emerging object-based MPEG-4 and MPEG-7 multimedia applications. The current work of COST 211 is centered around the test model, called the Analysis Model (AM), The essential feature of the AM is its ability to fuse information front different sources to achieve a high-quality object segmentation. The current information sources are the intermediate results from frame-based (still) color segmentation, motion vector based segmentation, and change-detection-based segmentation. Motion vectors, which form the basis for the motion vector based intermediate segmentation, are estimated from consecutive frames. A recursive shortest spanning tree (RSST) algorithm is used to obtain intermediate color and motion vector based segmentation results. A rule-based region processor fuses the intermediate results; a postprocessor further refines the final segmentation output. The results of the current AM are satisfactory; it is expected that there will be further improvements of the AM within the COST 211 project.

Subject Keywords

Camera motion estimation, Change detection, Content-based search, Data fusion, Image segmentation, Interactive multimedia, Motion analysis, Motion-based segmentation, Object tracking, Video processing, Video segmentation

URI

https://hdl.handle.net/11511/48075

Journal

IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS FOR VIDEO TECHNOLOGY

DOI

https://doi.org/10.1109/76.735378

Collections

Department of Electrical and Electronics Engineering, Article

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Citation Formats

A. A. Alatan, M. WOLLBORN, R. MECH, E. TUNCEL, and T. Sikora, “Image sequence analysis for emerging interactive multimedia services - The European COST 211 framework,” IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS FOR VIDEO TECHNOLOGY, pp. 802–813, 1998, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/48075.