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dc.contributor.authorWeng, Tsung-Hsien_US
dc.contributor.authorChung, Chung-Pingen_US
dc.date.accessioned2014-12-08T15:36:17Z-
dc.date.available2014-12-08T15:36:17Z-
dc.date.issued2014-07-01en_US
dc.identifier.issn0167-739Xen_US
dc.identifier.urihttp://dx.doi.org/10.1016/j.future.2013.10.018en_US
dc.identifier.urihttp://hdl.handle.net/11536/24621-
dc.description.abstractIn the H.264 video compression standard, the deblocking filtering contributes about one-third of all computation in the decoder. With many-core architectures becoming the future trend of system design, computation time can be reduced if the deblocking appropriately apportions its operations to multiple processing elements. In this study, we used a four-pixel-long boundary as the basis for analyzing and exploiting possible parallelism. Compared with the two-dimensional (2D) wavefront method order for deblocking both 1920 x 1080- and 1080 x 1920-pixel frames, the proposed design exhibits speedups of 1.92 and 2.44 times, respectively, given an unlimited number of processing elements. Compared with our previous design, it gains speedups of 1.25 and 1.13 times, respectively. In addition, as the frame size grows, this approach requires only extra time that is proportional to the square root of the frame size increase (keeping the same width to height ratio), pushing the boundary of practical real-time deblocking of increasingly larger video sizes. (C) 2013 Elsevier B.V. All rights reserved.en_US
dc.language.isoen_USen_US
dc.subjectDeblockingen_US
dc.subjectParallelizationen_US
dc.subjectData intensiveen_US
dc.subjectMany-core architectureen_US
dc.subjectH.264en_US
dc.titleExploiting fine-grain parallelism in the H.264 deblocking filter by operation reorderingen_US
dc.typeArticleen_US
dc.identifier.doi10.1016/j.future.2013.10.018en_US
dc.identifier.journalFUTURE GENERATION COMPUTER SYSTEMS-THE INTERNATIONAL JOURNAL OF GRID COMPUTING AND ESCIENCEen_US
dc.citation.volume37en_US
dc.citation.issueen_US
dc.citation.spage76en_US
dc.citation.epage87en_US
dc.contributor.department資訊工程學系zh_TW
dc.contributor.departmentDepartment of Computer Scienceen_US
dc.identifier.wosnumberWOS:000337931200008-
dc.citation.woscount1-
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