Spectrally variable two-beam coupling nonlinear deconvolution
Applied Optics, Vol. 46, Issue 34, pp. 8244-8249 (2007)
http://dx.doi.org/10.1364/AO.46.008244
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Abstract
In previous work, we introduced a dynamic range compression-based technique for image correction using nonlinear deconvolution; the impulse response of the distortion function and the distorted image are jointly transformed to pump a clean reference beam in a photorefractive two-beam coupling arrangement. The Fourier transform of the pumped reference beam contains the deconvolved image and its conjugate. Here we extend our work to spectrally variable dynamic range compression. This approach allows the retrieval of distorted signals embedded in a very high noise environment and does not require one to work with a very high beam ratio as in our previous work. Resolution recovery of blurred noisy images is demonstrated for several different types of image blur.
© 2007 Optical Society of America
OCIS Codes
(010.1080) Atmospheric and oceanic optics : Active or adaptive optics
(070.0070) Fourier optics and signal processing : Fourier optics and signal processing
(070.4340) Fourier optics and signal processing : Nonlinear optical signal processing
(100.3020) Image processing : Image reconstruction-restoration
ToC Category:
Fourier Optics and Signal Processing
History
Original Manuscript: June 2, 2006
Revised Manuscript: December 4, 2006
Manuscript Accepted: January 18, 2007
Published: November 26, 2007
Citation
Bahareh Haji-Saeed, Sandip K. Sengupta, William D. Goodhue, Jed Khoury, Charles L. Woods, and John Kierstead, "Spectrally variable two-beam coupling nonlinear deconvolution," Appl. Opt. 46, 8244-8249 (2007)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-46-34-8244
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