Parallelizing Image Feature Extraction on Coarse-Grain Machines

Authors:
Yongwha Chung;Viktor K. Prasanna
Affiliations:
Electronics and Telecommunications Research Institute, Taejon, Korea;Univ. of Southern California, Los Angeles
Venue:
IEEE Transactions on Pattern Analysis and Machine Intelligence
Year:
1998

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Abstract

In this paper, we present a fast parallel algorithm for feature extraction on coarse-grain MIMD machines. By maintaining algorithmic threads at each node, our algorithm enhances processor utilization and obtains large speed-ups. Our implementations show that, given a 1,024 脳 1,024 image, speed-ups of 27.6 and 56.0 on a 32-node SP2 and a 64-node T3D can be achieved.