A memory efficient motion estimator for three step search block-matching algorithm

Yeong Kang Lai*

*Corresponding author for this work

Research output: Contribution to journalJournal Article peer-review

16 Scopus citations

Abstract

This paper describes a memory efficient array architecture with data-rings for the 3-step hierarchical search block-matching algorithm (3SHS). With the efficient data-rings and memory organization, the regular raster-scanned data flow and comparator-tree structure can be used to simplify control scheme and reduce latency, respectively. In addition, we utilize the three-half-search-area scheme and circular addressing method to reduce external memory access and memory size, respectively. The results demonstrate that the array architecture with memory efficient scheme requires a smaller memory size and low I/O bandwidth. It also provides a high normalized throughput solution for the 3SHS.

Original languageEnglish
Pages (from-to)644-651
Number of pages8
JournalIEEE Transactions on Consumer Electronics
Volume47
Issue number3
DOIs
StatePublished - 08 2001
Externally publishedYes

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