Q-state mean-field annealing algorithm for filtering of gray-level images suited for optoelectronic implementation

Thomas Martini Joergensen; Jesper Glueckstad

doi:10.1117/12.179234

30 June 1994 Q-state mean-field annealing algorithm for filtering of gray-level images suited for optoelectronic implementation

Thomas Martini Joergensen, Jesper Glueckstad

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Proceedings Volume 2304, Neural and Stochastic Methods in Image and Signal Processing III; (1994) https://doi.org/10.1117/12.179234
Event: SPIE's 1994 International Symposium on Optics, Imaging, and Instrumentation, 1994, San Diego, CA, United States

Abstract

The possibility of implementing optically a mean field annealing algorithm for nonlinear noise filtering of grey level images has been addressed. To cope with grey level images we have considered an algorithm that corresponds to a Q-state spin-Ising model. The method has been implemented by an optoelectronic feedback loop incorporating a defocusing camera, a spatial light modulator, and a frame grabber. Experimental results are reported.

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Thomas Martini Joergensen and Jesper Glueckstad "Q-state mean-field annealing algorithm for filtering of gray-level images suited for optoelectronic implementation", Proc. SPIE 2304, Neural and Stochastic Methods in Image and Signal Processing III, (30 June 1994); https://doi.org/10.1117/12.179234

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KEYWORDS

Optoelectronics

Nonlinear filtering

Image filtering

Annealing

Optical filters

Spatial light modulators

Convolution

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