Fast radial symmetry for detecting points of interest
Loy, G.
Zelinsky, A.
Dept. of Syst. Eng., Australian Nat. Univ., ACT, Australia;
This paper appears in: Pattern Analysis and Machine Intelligence, IEEE Transactions on
Publication Date: Aug. 2003
Volume: 25,
Issue: 8
On page(s): 959- 973
ISSN: 0162-8828
INSPEC Accession Number: 7709922
Digital Object Identifier: 10.1109/TPAMI.2003.1217601
Current Version Published: 2003-08-04
Abstract
A new transform is presented that utilizes local radial symmetry to highlight points of interest within a scene. Its low-computational complexity and fast runtimes makes this method well-suited for real-time vision applications. The performance of the transform is demonstrated on a wide variety of images and compared with leading techniques from the literature. Both as a facial feature detector and as a generic region of interest detector the new transform is seen to offer equal or superior performance to contemporary techniques at a relatively low-computational cost. A real-time implementation of the transform is presented running at over 60 frames per second on a standard Pentium III PC.
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