Edge enhancement techniques for improving the performance of binary    phase-only filter pattern recognition devices

Jehad Khoury; Peter D. Gianino; Jonathan S. Kane; Charles L. Woods

doi:10.1117/12.157663

1 March 1994 Edge enhancement techniques for improving the performance of binary phase-only filter pattern recognition devices

Jehad Khoury, Peter D. Gianino, Jonathan S. Kane, Charles L. Woods

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Optical Engineering, Vol. 33, Issue 3, (March 1994). https://doi.org/10.1117/12.157663

Abstract

Several edge enhancement techniques are examined for improving the performance of binary phase-only filter pattern recognition devices. These include the linear techniques of blocking the lower Fourier orders and Laplacian filtering as well as the nonlinear techniques of phase extraction and phase binarization. The results indicate that the nonlinear techniques outperform the linear techniques when there is no distortion caused by aperturing the input information. However, when the input is apertured, both the linear and nonlinear techniques yield approximately the same peak-to-noise ratio.

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Jehad Khoury, Peter D. Gianino, Jonathan S. Kane, and Charles L. Woods "Edge enhancement techniques for improving the performance of binary phase-only filter pattern recognition devices," Optical Engineering 33(3), (1 March 1994). https://doi.org/10.1117/12.157663

Published: 1 March 1994

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