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Proceedings Paper

Comparison of the performance of three types of correlation filters for rotational-invariant pattern recognition
Author(s): Yih-Shyang Cheng; Tsair-Chun Liang; Ray-Cheng Chang
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Paper Abstract

In this paper, comparison of the performance of three types of correlation filters: linear high-pass circular harmonic filter (LHPCHF), ideal high-pass circular harmonic filter (IHPCHF), and wavelet transform circular harmonic filter (WTCHF), are presented. These filters combining 2D symmetrical edge detection filter and circular harmonic filter (CHF) are used to perform shift- and rotational-invariant optical pattern recognition.

Paper Details

Date Published: 21 April 1995
PDF: 11 pages
Proc. SPIE 2501, Visual Communications and Image Processing '95, (21 April 1995); doi: 10.1117/12.206739
Show Author Affiliations
Yih-Shyang Cheng, National Central Univ. (Taiwan)
Tsair-Chun Liang, National Central Univ. (Taiwan)
Ray-Cheng Chang, National Central Univ. (Taiwan)


Published in SPIE Proceedings Vol. 2501:
Visual Communications and Image Processing '95
Lance T. Wu, Editor(s)

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