Comparison of the performance of three types of correlation filters for rotational-invariant pattern recognition

Yih-Shyang Cheng; Tsair-Chun Liang; Ray-Cheng Chang

doi:10.1117/12.206739

21 April 1995 Comparison of the performance of three types of correlation filters for rotational-invariant pattern recognition

Yih-Shyang Cheng, Tsair-Chun Liang, Ray-Cheng Chang

Author Affiliations +

Proceedings Volume 2501, Visual Communications and Image Processing '95; (1995) https://doi.org/10.1117/12.206739
Event: Visual Communications and Image Processing '95, 1995, Taipei, Taiwan

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.

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Yih-Shyang Cheng, Tsair-Chun Liang, and Ray-Cheng Chang "Comparison of the performance of three types of correlation filters for rotational-invariant pattern recognition", Proc. SPIE 2501, Visual Communications and Image Processing '95, (21 April 1995); https://doi.org/10.1117/12.206739

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