Mesh-based motion models for wavelet video coding
Discrete wavelet transforms, implemented using lifting along motion trajectories, are effective and efficient temporal decomposition tools that facilitate video compression competitive with the current standards. As recently shown, however, in order that a lifting-based motion-compensated wavelet tr...
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| description | Discrete wavelet transforms, implemented using lifting along motion trajectories, are effective and efficient temporal decomposition tools that facilitate video compression competitive with the current standards. As recently shown, however, in order that a lifting-based motion-compensated wavelet transform be equivalent to its transversal (standard) implementation, motion transformation must be invertible and motion composition between frames must be well-defined. In this paper, we discuss various mesh-based motion models that satisfy requirements of invertibility and composition, and thus are suitable for use in motion-compensated lifting-based wavelet transforms. We propose a new mesh configuration that preserves regularity of the mesh structure but provides better motion compensation compared to previously-reported mesh topologies, particularly in the proximity of image boundaries. Our results show that an improvement in motion compensation and overall compression performance is possible with only a fractional increase in motion overhead bit-rate. |
| doi_str_mv | 10.1109/ICASSP.2004.1326501 |
| format | Conference Proceeding |
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Our results show that an improvement in motion compensation and overall compression performance is possible with only a fractional increase in motion overhead bit-rate.</description><subject>Applied sciences</subject><subject>Coding, codes</subject><subject>Deformable models</subject><subject>Discrete wavelet transforms</subject><subject>Exact sciences and technology</subject><subject>Filtering</subject><subject>Image coding</subject><subject>Image processing</subject><subject>Information, signal and communications theory</subject><subject>Motion compensation</subject><subject>Motion estimation</subject><subject>Signal and communications theory</subject><subject>Signal processing</subject><subject>Systems, networks and services of telecommunications</subject><subject>Telecommunications</subject><subject>Telecommunications and information theory</subject><subject>Topology</subject><subject>Transmission and modulation (techniques and equipments)</subject><subject>Transversal filters</subject><subject>Video coding</subject><subject>Video compression</subject><issn>1520-6149</issn><issn>2379-190X</issn><isbn>9780780384842</isbn><isbn>0780384849</isbn><fulltext>true</fulltext><rsrctype>conference_proceeding</rsrctype><creationdate>2004</creationdate><recordtype>conference_proceeding</recordtype><sourceid>6IE</sourceid><sourceid>RIE</sourceid><recordid>eNpFUE1Lw0AUXPwAY-0v6CUXj4nv7W52N0cpWoWKQnvwVvbjRVfSpGRLxX9vIIIwMAMzDMMwtkAoEaG-e17ebzZvJQeQJQquKsAzlnGh6wJreD9n81obGCGMNJJfsAwrDoVCWV-x65S-AMBoaTKGL5Q-C2cThXzfH2PfjRSoTXnTD_m3PVFLx_wUA_W570PsPm7YZWPbRPM_nrHt48N2-VSsX1fjrnURK-CFF2gDjIqcUSAdVrIhRGc1N0b52gXfOC2s9Hq00agABIoHctKLYBoxY7dT7cEmb9tmsJ2PaXcY4t4OPzvUCkFwPuYWUy4S0b89nSJ-AUXlUsY</recordid><startdate>2004</startdate><enddate>2004</enddate><creator>Bozinovic, N.</creator><creator>Konrad, J.</creator><general>IEEE</general><scope>6IE</scope><scope>6IH</scope><scope>CBEJK</scope><scope>RIE</scope><scope>RIO</scope><scope>IQODW</scope></search><sort><creationdate>2004</creationdate><title>Mesh-based motion models for wavelet video coding</title><author>Bozinovic, N. ; Konrad, J.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-i502-c31ad0502eb8604b154fe11ba72886c9bdcfb73a4c7604186d0e062deb4c3d8f3</frbrgroupid><rsrctype>conference_proceedings</rsrctype><prefilter>conference_proceedings</prefilter><language>eng</language><creationdate>2004</creationdate><topic>Applied sciences</topic><topic>Coding, codes</topic><topic>Deformable models</topic><topic>Discrete wavelet transforms</topic><topic>Exact sciences and technology</topic><topic>Filtering</topic><topic>Image coding</topic><topic>Image processing</topic><topic>Information, signal and communications theory</topic><topic>Motion compensation</topic><topic>Motion estimation</topic><topic>Signal and communications theory</topic><topic>Signal processing</topic><topic>Systems, networks and services of telecommunications</topic><topic>Telecommunications</topic><topic>Telecommunications and information theory</topic><topic>Topology</topic><topic>Transmission and modulation (techniques and equipments)</topic><topic>Transversal filters</topic><topic>Video coding</topic><topic>Video compression</topic><toplevel>online_resources</toplevel><creatorcontrib>Bozinovic, N.</creatorcontrib><creatorcontrib>Konrad, J.</creatorcontrib><collection>IEEE Electronic Library (IEL) Conference Proceedings</collection><collection>IEEE Proceedings Order Plan (POP) 1998-present by volume</collection><collection>IEEE Xplore All Conference Proceedings</collection><collection>IEEE Electronic Library (IEL)</collection><collection>IEEE Proceedings Order Plans (POP) 1998-present</collection><collection>Pascal-Francis</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Bozinovic, N.</au><au>Konrad, J.</au><format>book</format><genre>proceeding</genre><ristype>CONF</ristype><atitle>Mesh-based motion models for wavelet video coding</atitle><btitle>2004 IEEE International Conference on Acoustics, Speech, and Signal Processing</btitle><stitle>ICASSP</stitle><date>2004</date><risdate>2004</risdate><volume>3</volume><spage>iii</spage><epage>141</epage><pages>iii-141</pages><issn>1520-6149</issn><eissn>2379-190X</eissn><isbn>9780780384842</isbn><isbn>0780384849</isbn><abstract>Discrete wavelet transforms, implemented using lifting along motion trajectories, are effective and efficient temporal decomposition tools that facilitate video compression competitive with the current standards. 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| identifier | ISSN: 1520-6149 |
| ispartof | 2004 IEEE International Conference on Acoustics, Speech, and Signal Processing, 2004, Vol.3, p.iii-141 |
| issn | 1520-6149 2379-190X |
| language | eng |
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| source | IEEE Electronic Library (IEL) Conference Proceedings |
| subjects | Applied sciences Coding, codes Deformable models Discrete wavelet transforms Exact sciences and technology Filtering Image coding Image processing Information, signal and communications theory Motion compensation Motion estimation Signal and communications theory Signal processing Systems, networks and services of telecommunications Telecommunications Telecommunications and information theory Topology Transmission and modulation (techniques and equipments) Transversal filters Video coding Video compression |
| title | Mesh-based motion models for wavelet video coding |
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