Title :
Self-filtering of noisy images via stochastic resonance
Author :
Dylov, Dmitry V. ; Fleischer, Jason W.
Author_Institution :
Dept. of Electr. Eng., Princeton Univ., Princeton, NJ, USA
Abstract :
Nonlinear self-filtering and amplification of noisy, low-level images is demonstrated in a self-focusing photorefractive medium. Signal recovery depends sensitively on the parameters of the system and represents a new dynamical type of stochastic resonance.
Keywords :
filtering theory; optical filters; optical images; optical noise; optical self-focusing; stochastic processes; noisy image; nonlinear amplification; nonlinear self-filtering; self-focusing photorefractive medium; signal recovery; stochastic resonance; Attenuators; Charge coupled devices; Couplings; Energy exchange; Optical noise; Photorefractive materials; Signal resolution; Spatial resolution; Statistics; Stochastic resonance; (100.2980) Image enhancement; (190.3100) Instabilities and chaos;
Conference_Titel :
Lasers and Electro-Optics, 2009 and 2009 Conference on Quantum electronics and Laser Science Conference. CLEO/QELS 2009. Conference on
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-55752-869-8
Electronic_ISBN :
978-1-55752-869-8
