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<p><b>Abstract</b>—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.</p>
Radial symmetry, points of interest, feature detection, face detection, real-time.
Alexander Zelinsky, Gareth Loy, "Fast Radial Symmetry for Detecting Points of Interest", IEEE Transactions on Pattern Analysis & Machine Intelligence, vol. 25, no. , pp. 959-973, August 2003, doi:10.1109/TPAMI.2003.1217601
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