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Efficient Motion Estimation for H.264 Codec by Using Effective Scan Ordering
Jeongae PARK Misun YOON Hyunchul SHIN
Publication
IEICE TRANSACTIONS on Communications
Vol.E90-B
No.7
pp.1839-1843 Publication Date: 2007/07/01 Online ISSN: 1745-1345
DOI: 10.1093/ietcom/e90-b.7.1839 Print ISSN: 0916-8516 Type of Manuscript: LETTER Category: Devices/Circuits for Communications Keyword: motion estimation, absolute difference, H.264, FPGA,
Full Text: PDF(1MB)>>
Summary:
Motion estimation (ME) is a computation intensive procedure in H.264. In ME for variable block sizes, an effective scan ordering method has been devised for early termination of absolute difference computation when the termination does not affect the performance. The new ME circuit with effective scan ordering can reduce the amount of computation by 70% compared to JM8.2 and by 30% compared to the disable approximation unit (DAU) approach.
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