Pattern recognition with quantized computer-generated filters

Juan Campos

doi:10.1364/AO.31.003337

Pattern recognition with quantized computer-generated filters

Juan Campos

Research output: Contribution to journal › Article › Research › peer-review

2 Citations (Scopus)

Abstract

The influence of the quantization levels used in the computer-generated filter on the correlation is studied. Two types of objects, binary characters and gray-tone objects, are used in the scene and in the test. The filters are codified by the method proposed by Burckhardt. Three different filters (a classical matched filter, a high-frequency-enhanced filter, and an amplitude-encoded phase-only filter) are generated, and the influence of the quantization levels in such cases is studied. Numerical and experimental results are obtained. © 1992, Optical Society of America.

Original language	English
Pages (from-to)	3337-3343
Journal	Applied Optics
Volume	31
Issue number	17
DOIs	https://doi.org/10.1364/AO.31.003337
Publication status	Published - 10 Jun 1992

Keywords

Computer-generated hologram
Optical pattern recognition
Quantization effects

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abstract = "The influence of the quantization levels used in the computer-generated filter on the correlation is studied. Two types of objects, binary characters and gray-tone objects, are used in the scene and in the test. The filters are codified by the method proposed by Burckhardt. Three different filters (a classical matched filter, a high-frequency-enhanced filter, and an amplitude-encoded phase-only filter) are generated, and the influence of the quantization levels in such cases is studied. Numerical and experimental results are obtained. {\textcopyright} 1992, Optical Society of America.",

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AB - The influence of the quantization levels used in the computer-generated filter on the correlation is studied. Two types of objects, binary characters and gray-tone objects, are used in the scene and in the test. The filters are codified by the method proposed by Burckhardt. Three different filters (a classical matched filter, a high-frequency-enhanced filter, and an amplitude-encoded phase-only filter) are generated, and the influence of the quantization levels in such cases is studied. Numerical and experimental results are obtained. © 1992, Optical Society of America.

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KW - Quantization effects

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