Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/1940
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dc.contributorDepartment of Electronic and Information Engineering-
dc.creatorFu, CH-
dc.creatorChan, YL-
dc.creatorSiu, WC-
dc.date.accessioned2014-12-11T08:25:40Z-
dc.date.available2014-12-11T08:25:40Z-
dc.identifier.issn1051-8215-
dc.identifier.urihttp://hdl.handle.net/10397/1940-
dc.language.isoenen_US
dc.publisherInstitute of Electrical and Electronics Engineersen_US
dc.rights© 2006 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.subjectCompressed-domain processingen_US
dc.subjectDigital video cassette recording (VCR)en_US
dc.subjectMPEG videoen_US
dc.subjectStreaming videoen_US
dc.titleEfficient reverse-play algorithms for MPEG video with VCR supporten_US
dc.typeJournal/Magazine Articleen_US
dc.description.otherinformationCentre for Multimedia Signal Processing, Department of Electronic and Information Engineeringen_US
dc.identifier.spage19-
dc.identifier.epage30-
dc.identifier.volume16-
dc.identifier.issue1-
dc.identifier.doi10.1109/TCSVT.2005.856901-
dcterms.abstractReverse playback is the most common video cassette recording (VCR) function in digital video players and it involves playing video frames in reverse order. However, the predictive processing techniques employed in MPEG severely complicate the reverse-play operation. For displaying single frame during reverse playback, all frames from the previous I-frame to the requested frame must be sent by the server and decoded by the client machine. It requires much higher bandwidth of the network and complexity of the decoder. In this paper, we propose a compressed-domain approach for an efficient implementation of the MPEG video streaming system to provide reverse playback over a network with the minimal requirements on the network bandwidth and the decoder complexity. In the proposed video streaming server, it classifies macroblocks in the requested frame into two categories—backward macroblocks (BMBs) and forward macroblock (FMBs). Two novel MB-based techniques are used to manipulate the necessary MBs in the compressed domain and the server then sends the processed MBs to the client machine. For BMBs, we propose a sign inversion technique, which is operated in the variable length coding (VLC) domain, to reduce the number of MBs that need to be decoded by the decoder and the number of bits that need to be sent over the network in the reverse-play operation. The server also identifies the previous related MBs of FMBs and those related maroblocks coded without motion compensation are then processed by a technique of direction addition of discrete cosine transform (DCT) coefficients to further reduce the computational complexity of the client decoder. With the sign inversion and direct addition of DCT coefficients, the proposed architecture only manipulates MBs either on the VLC domain or DCT domain to achieve the server with low complexity. Experimental results show that, as compared to the conventional system, the new streaming system reduces the required network bandwidth and the decoder complexity significantly.-
dcterms.accessRightsopen accessen_US
dcterms.bibliographicCitationIEEE transactions on circuits and systems for video technology, Jan. 2006, v. 16, no. 1, p. 19-30-
dcterms.isPartOfIEEE transactions on circuits and systems for video technology-
dcterms.issued2006-01-
dc.identifier.isiWOS:000234443600002-
dc.identifier.scopus2-s2.0-31644436244-
dc.identifier.eissn1558-2205-
dc.identifier.rosgroupidr28125-
dc.description.ros2005-2006 > Academic research: refereed > Publication in refereed journal-
dc.description.oaVersion of Recorden_US
dc.identifier.FolderNumberOA_IR/PIRAen_US
dc.description.pubStatusPublisheden_US
dc.description.oaCategoryVoR alloweden_US
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