Motion estimator employing a three-step hierachical search block-matching algorithm

Motion estimator employing a three-step hierachical search block-matching algorithm

A motion estimator, employing a three-step hierarchical search block-matching algorithm for obtaining a motion vector by block-matching between a current block and its corresponding block, is provided. The motion estimator comprises: a memory block, a matching unit and a control unit. The memory blo...

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Hauptverfasser: CHEN, LIANG-GEE, LEE, YUNG-PING, LAI, YEONG-KANG
Format: Patent
Sprache:eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
PHYSICS
PICTORIAL COMMUNICATION, e.g. TELEVISION
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creator CHEN
LIANG-GEE
LEE
YUNG-PING
LAI
YEONG-KANG
description A motion estimator, employing a three-step hierarchical search block-matching algorithm for obtaining a motion vector by block-matching between a current block and its corresponding block, is provided. The motion estimator comprises: a memory block, a matching unit and a control unit. The memory block is for storing a candidate block corresponding to the current block. The matching unit matches the size of a current block with aforementioned candidate block and sub-candidate blocks identical to the current block. The control unit supplies candidate blocks in the memory blocks to the matching unit according to a prescribed matching sequence, and writes the candidate block corresponding to the current block to the section no longer used in the memory block simultaneous to the performance of Step 3 of a three-step hierarchical search block-matching algorithm.
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subjects CALCULATING
COMPUTING
COUNTING
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
PHYSICS
PICTORIAL COMMUNICATION, e.g. TELEVISION
title Motion estimator employing a three-step hierachical search block-matching algorithm
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