Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/281
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dc.contributorDepartment of Electronic and Information Engineering-
dc.creatorCheung, HK-
dc.creatorSiu, WC-
dc.date.accessioned2014-12-11T08:24:22Z-
dc.date.available2014-12-11T08:24:22Z-
dc.identifier.isbn0-7803-7761-3-
dc.identifier.urihttp://hdl.handle.net/10397/281-
dc.language.isoenen_US
dc.publisherIEEEen_US
dc.rights© 2003 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.en_US
dc.rightsThis material is presented to ensure timely dissemination of scholarly and technical work. Copyright and all rights therein are retained by authors or by other copyright holders. All persons copying this information are expected to adhere to the terms and constraints invoked by each author's copyright. In most cases, these works may not be reposted without the explicit permission of the copyright holder.en_US
dc.subjectMotion estimation techniqueen_US
dc.subjectMPEG-4en_US
dc.subjectSprite building processen_US
dc.subjectSprite memory allocationen_US
dc.titleA robust global motion estimation scheme for sprite codingen_US
dc.typeConference Paperen_US
dcterms.abstractA new global motion estimation technique for sprite coding is presented in this paper. The proposed system manages to accurately register frames to a sprite without referencing the sprite. This allows motion estimation process to be performed in an environment free from the adverse influence of the sprite which is usually blurred by the erroneous motion estimation. Furthermore, our proposed system can figure out the frame having the highest resolution, base frame, in the video sequence and project all other frames to the space of this base frame. This can avoid the loss of information due to decimation. Moreover, the determination of the size of the sprite can be conducted before construction of the sprite which avoid clumsy process of manual sprite memory allocation. Experimental results show that our proposed technique manages to estimate global motion in high accuracy and indicate a good robustness against estimation error which is suitable for the sprite coding application in MPEG-4.-
dcterms.accessRightsopen accessen_US
dcterms.bibliographicCitation2003 IEEE International Symposium on Circuits and Systems : ISCAS 2003 : proceedings : Sunday, May 25-Wednesday, May 28, 2003, Bangkok, Thailand, p. II632-II635-
dcterms.issued2003-
dc.identifier.isiWOS:000184781400159-
dc.identifier.scopus2-s2.0-0037745862-
dc.identifier.rosgroupidr12025-
dc.description.ros2002-2003 > Academic research: refereed > Refereed conference paper-
dc.description.oaVersion of Recorden_US
dc.identifier.FolderNumberOA_IR/PIRAen_US
dc.description.pubStatusPublisheden_US
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