Use of artificial neural networks for hartmann-sensor lenslet centroid estimation

Applied Optics

Volumn 35, Issue 29, 1996, Pages 5747-5757

  Montera, Dennis A ^a   Welsh, Byron M ^a   Roggemann, Michael C ^a   Ruck, Dennis W ^a  

^a AIR FORCE INSTITUTE OF TECHNOLOGY   (United States)

Author keywords

Adaptive optics; Centroid estimation; Neural networks; Wave front sensors

Indexed keywords

CENTROID ESTIMATION; HARTMANN SENSOR LENSLET; PHASE COVARIANCE MATRIX; SUBAPERTURE IMAGE; WAVE FRONT SENSORS;

ADAPTIVE OPTICS; ATMOSPHERIC TURBULENCE; ESTIMATION; IMAGE PROCESSING; MEASUREMENT ERRORS; OPTICAL SENSORS; SIGNAL TO NOISE RATIO; SPURIOUS SIGNAL NOISE; STATISTICAL METHODS;

NEURAL NETWORKS;

EID: 0030262353     PISSN: 1559128X     EISSN: 21553165     Source Type: Journal    
DOI: 10.1364/AO.35.005747     Document Type: Article

References (19)

1. J. H. Hardy, “Active optics: a new technology for the control of light,” Proc. IEEE 66, 651-697 (1978).
2. R. Q. Fugate et al., “Two generations of laser-guide-star adaptive optics experiments at the Starfire Optical Range,” J. Opt. Soc. Am. A 11, 310-324 (1994).
3. R. K. Tyson, Principles of Adaptive Optics (Academic, San Diego, Calif., 1991).
4. K. A. Winnick, “Cramer-Rao lower bounds on the performance of charge-coupled-device optical position estimators,” J. Opt. Soc. Am. A 3, 1809-1815 (1986).
5. M. Lloyd-Hart, P. Wizinowich, and J. Angel, “A neural network wave-front sensor for array telescopes,” paper presented at The International Commission for Optics, Florence, Italy, 1991.
6. P. Wizinowich, M. Lloyd-Hart, B. McLeod, D. Colucci, R. Dekany, D. Wittman, R. Angel, D. McCarthy, B. Hulburd, and D. Sandler, “Neural network adaptive optics for the multiple mirror telescope,” in Active and Adaptive Optical Systems, M. A. Ealey, ed., Proc. SPIE 1542, pp. 148-158 (1991).
7. J. Angel, P. Wizinowich, M. Lloyd-Hart, and D. Sandler, “Adaptive optics for array telescopes using neural network techniques,” Nature 358, 221-224 (1990).
8. M. Lloyd-Hart, P. Wizinowich, B. McLeod, D. Wittman, D. Colucci, R. Dekany, D. McCarthy, J. Angel, and D. Sandler, “First results of an on-line optics system with atmospheric wave-front sensing by an artificial neural network,” Astrophys. J. Lett. 390, 41-44 (1992).
9. M. Jorgenson and G. Aitken, “Evidence of a chaotic attractor in star-wander data,” Opt. Lett. 16, 64-66 (1991).
10. M. Jorgenson and G. Aitken, “Prediction of atmospherically induced wave-front degredations,” Opt. Lett. 17, 466-468 (1992).
11. M. Jorgenson and G. Aitken, “Neural network prediction of turbulence induced wave-front degredations with applications to adaptive optics,” in Adaptive and Learning Systems, F. A. Sadjadi, ed., Proc. SPIE 1706, (1992).
12. M. Jorgenson and G. Aitken, “Wave-front Prediction for Adaptive Optics,” paper presented at the “Sixteenth International Commission on Optics Conference: Active and Adaptive Optics,” Garching, Germany, 1993.
13. D. A. Montera, B. M. Welsh, and M. C. Roggemann, “Processing wave-front-sensor slope measurements using artificial neural networks,” Appl. Opt. 35, 4238-4251 (1996).
14. D. Rumelhart, Learning Internal Representations by Error Propogation, Parallel Distributed Processing: Explorations in the Microstructures of Cognition 1 (MIT Press, Cambridge, Mass., 1986).
15. S. Rogers and M. Kabrisky, An Introduction to Biological and Artificial Neural Networks for Pattern Recognition, Vol. TT04 of SPIE Tutorial Text Series (SPIE Optical Engineering Press, Bellingham, Wash., 1991).
16. Y. Pao, Adaptive Pattern Recognition and Neural Networks (Addison-Wesley, Reading, Mass., 1989).
17. M. Roggemann, B. Ellerbroek, and T. Rhoadarmer, “Widen ing the effective field of view of adaptive-optics telescopes using deconvolution from wave-front sensing: average and signal-to-noise ratio performance,” Appl. Opt. 34, 1432-1444 (1995).
18. B. Ellerbroek, “First-order performance evaluation of adaptive-optics systems for atmospheric-turbulence compensation in extended-field-of-view astronomical telescopes,” J. Opt. Soc. Am. A 11, 783-805 (1994).
19. These data were obtained in a telephone interview with the staff of the Starfire Optical Range, Phillips Laboratory, Kirt-land Air Force Base, N.M. (5 April 1995).