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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 41, Iss. 23 — Aug. 10, 2002
  • pp: 4835–4839

Selective edge enhancement of images with an acousto-optic light modulator

Jeffrey A. Davis and Maria D. Nowak  »View Author Affiliations


Applied Optics, Vol. 41, Issue 23, pp. 4835-4839 (2002)
http://dx.doi.org/10.1364/AO.41.004835


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Abstract

We show experimental results for image processing using an acousto-optic light modulator (AOLM) where the image can be edge enhanced with respect to the input object. We can select which edges are enhanced and the degree to which they are enhanced by changing the amplitude of the acoustic wave of the AOLM. We relate this technique to the fractional Hilbert transform and the fractional derivative image-processing operations and discuss its application to phase-only input images.

© 2002 Optical Society of America

OCIS Codes
(070.0070) Fourier optics and signal processing : Fourier optics and signal processing
(100.0100) Image processing : Image processing
(120.2440) Instrumentation, measurement, and metrology : Filters
(200.3050) Optics in computing : Information processing
(230.1040) Optical devices : Acousto-optical devices
(230.6120) Optical devices : Spatial light modulators

History
Original Manuscript: October 29, 2001
Revised Manuscript: April 23, 2002
Published: August 10, 2002

Citation
Jeffrey A. Davis and Maria D. Nowak, "Selective edge enhancement of images with an acousto-optic light modulator," Appl. Opt. 41, 4835-4839 (2002)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-41-23-4835

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