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Proceedings Paper

Nonerror binary phase-only filter (BPOF) implementation in optical pattern recognition
Author(s): Rutong Hong; Qun Zhang Li; Wen Bin Zhu; Xu Luo
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Paper Abstract

A non-error Synthetic Discriminant Function Binary Phase-only Filter (SDFBPOF) is constructed with digital synthesis method and a corrected FFT algorithm for in-plane rotation, scale, shift distortion invariant optical pattern recognition (OPR). The computer simulation of correlation shows that this method can obtain very high S/N, sharp correlation peak and low sidelobe compared with the common phase quantized SDFBPOF. The construction of this BPOF is simplified. The space bandwidth (SBW) is decreased by using the corrected FFT algorithm with faster speed than DFT, so it could be made easily and precisely using modern VLSI technology or some programmable Spatial Light Modulators (SLM).

Paper Details

Date Published: 23 March 1993
PDF: 7 pages
Proc. SPIE 1822, Optics, Illumination, and Image Sensing for Machine Vision VII, (23 March 1993); doi: 10.1117/12.141948
Show Author Affiliations
Rutong Hong, Southwest Institute of Technical Physics (China)
Qun Zhang Li, Southwest Institute of Technical Physics (China)
Wen Bin Zhu, Southwest Institute of Technical Physics (China)
Xu Luo, Southwest Institute of Technical Physics (China)


Published in SPIE Proceedings Vol. 1822:
Optics, Illumination, and Image Sensing for Machine Vision VII
Donald J. Svetkoff, Editor(s)

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