Optoelectronic implementation of adaptive image preprocessing using hybrid modulations of Epson liquid crystal television: Applications to smoothing and edge enhancement

Optical Engineering

Volumn 37, Issue 3, 1998, Pages 924-930

  Gorecki, Christophe ^{a,b,c,d,e,f,g}   Trolard, Bertrand ^b  

^a INSTITUTE OF INDUSTRIAL SCIENCE   (Japan)

^b UNIVERSITÉ DE FRANCHE COMTÉ   (France)

^c French Civil Aviation Organisation   (France)

^d FEMTO ST INSTITUTE   (France)

^e CNRS   (France)

^f French Society of Optics (SFO)   (France)

^g UNIVERSITY OF TOKYO   (Japan)

Author keywords

Edge enhancement; Image processing; Noise removal; Optical correlators; Spatial light modulators

Indexed keywords

EID: 0013174233     PISSN: 00913286     EISSN: None     Source Type: Journal    
DOI: 10.1117/1.601926     Document Type: Article

References (18)

1. Y. Mahdavieh and R. C. Gonzalez, Eds., Advances in Image Analysis, Chaps. 1 and 2, SPIE Optical Engineering Press, Bellingham, WA (1992).
2. J. Serra, Image Analysis and Mathematical Morphology, Academic Press, London, (1982).
3. D. Casasent and E. Botha, "Optical symbolic substitution for morphological transformations," Appl. Opt. 27, 3806-3810 (1988).
4. E. Ochoa, J. P. Allebach, and D. W. Sweeney, "Optical median filtering using threshold decomposition," Appl. Opt. 26, 252-260 (1987).
5. D. Casasent and J. Chen, "Nonlinear local image preprocessing using coherent optical techniques," Appl. Opt. 22, 808-814 (1983).
6. F. Christnacher, "Etude de l'adaptation d'un système optique de reconnaissance de formes à un environnement sévère," PhD Thesis, Université de Haute Alsace, Mulhouse (1992).
7. K. Chalasinska-Macukow and C. Gorecki, "Optoelectronic implementation of quasi-phase correlator," Opt. Commun. 93, 11-18 (1991).
8. J. Amako and T. Sonehara, "Computer-generated hologram using TFT active matrix liquid crystal spatial light modulator (TFT-LCSLM)," Jpn. J. Appl. Phys. 29, 1533-1535 (1990).
9. Y. Sheng and G. Paul-Hus, "Optical on-axis imperfect phase-only correlator using liquid-crystal television," Appl. Opt. 32, 5782-5785 (1993).
10. C. Gorecki, "Phase correlation techniques for quasi real-time measurement of deformations using digital speckle interferometry," Appl. Opt. 33, 2933-2938 (1994).
11. B. Trolard, "Etude par interérométrie de la déformation de membranes silicium et calcul de filtres numériques ou optiques adaptés au traitement des interférogrammes," PhD Thesis, Université de Franche-Comté, Besançon (1996).
12. C. Gorecki, L. Oriat, and B. Trolard, "Real-time pattern recognition by phase-mostly correlator using hybrid modulation properties of the Epson liquid-crystal TV," Opt. Rev. 3, 171-176 (1996).
13. K. Lu and B. E. A. Saleh, "Theory and design of the liquid crystal TV as an optical spatial phase modulator," Opt. Eng. 29, 240-246 (1990).
14. S.-T. Wu, U. Efron, and L. D. Hess, "Infrared birefringence of liquid crystals," Appl. Phys. Lett. 44, 1033-1035 (1984).
15. K. Styczynski, R. Kotynski, B. Janowska-Dmoch, K. Chalasinska-Macukow, and C. Gorecki, "Phase encoded binary phase-only filter recorded in the Epson liquid crystal television," Opt. Appl. 25, 81-92 (1995).
16. Moreno, J. Campos, C. Gorecki, and M. J. Yzuel, "Effects of amplitude and phase mismatching errors in the generation of a kinoform for pattern recognition," Jpn. J. Appl. Phys. 34, (1995).
17. J. F. Canny, "A computational approach to edge detection," IEEE Trans. Pattern Anal. Mach. Intell. 8, 679-698 (1986).
18. J. S. Lim and H. Nawab, "Techniques for speckle noise removal," Opt. Eng. 20, 472-480 (1981).