Object recognition using cylindrical harmonic filter | Zendy

Jáder Enrique Guerrero Bermúdez | Zendy

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Object recognition using cylindrical harmonic filter

Author(s) -

Jáder Enrique Guerrero Bermúdez

Publication year - 2004

Publication title -

optics express

Language(s) - Uncategorized

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/opex.12.003046

Subject(s) - filter (signal processing) , optics , harmonic , rotation (mathematics) , fourier transform , physics , plane (geometry) , acoustics , mathematics , computer science , computer vision , geometry , mathematical analysis

We present the cylindrical harmonic filter for three-dimensional (3D) discrete correlation between range data. The filter guarantees invariance of the correlation peak intensity under target rotation around z-axis. It can be considered a harmonic decomposition, in cylindrical coordinates, of the 3D Fourier spectrum of the target. Some simulation results confirm the in-plane rotation invariance and the discrimination of the filter.

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