Pattern recognition techniques and the measurement of solar magnetic fields

Proceedings of SPIE - The International Society for Optical Engineering

Volumn 4477, Issue , 2001, Pages 96-106

  Lopez Ariste A ^a   Rees, D E ^b,c   Socas Navarro, H ^a   Lites, B W ^a  

^a NATIONAL CENTER FOR ATMOSPHERIC RESEARCH   (United States)

^b CSIRO   (Australia)

^c OBSERVATOIRE DE PARIS   (France)

Author keywords

Neural Networks; Pattern Recognition; Polarimetry; Solar Magnetic Fields; Stokes

Indexed keywords

DATA COMPRESSION; DATA REDUCTION; DATABASE SYSTEMS; INVERSE PROBLEMS; MAGNETIC FIELDS; NEURAL NETWORKS; REAL TIME SYSTEMS; SOLAR RADIATION; SPECTRUM ANALYSIS;

SOLAR MAGNETIC FIELDS;

PATTERN RECOGNITION;

EID: 0035763263     PISSN: 0277786X     EISSN: None     Source Type: Journal    
DOI: 10.1117/12.447163     Document Type: Article

References (25)

1. G.E. Hale, "On the probable existence of a magnetic field in sun-spots," Astrophysics 28, p. 315, Nov. 1908.
2. A. Skumanich and Lites, B.W., "Stokes profile analysis and vector magnetic fields. I. Inversion of photospheric lines.," ApJ 322, p. 473, 1987.
3. B. Ruiz Cobo and del Toro Iniesta, J.C., "Inversion of Stokes profiles," ApJ 398, p. 375, 1992.
4. L.R. Bellot Rubio, B. Ruiz Cobo, and M. Collados, "Inversion of Stokes Profiles from Solar Magnetic Elements," ApJ 535, pp. 475-488, May 2000.
5. J. Sánchez Almeida and E. Landi degl'Innocenti, "Micro-structured magnetic atmospheres," Sol. Phys. 164, pp. 203-210, Mar. 1996.
6. J. Sánchez Almeida, E. Landi degl'Innocenti, V. Martínez Pillet, and B.W. Lites, "Line asymmetries and the microstructure of photospheric magnetic fields," ApJ 466, p. 537, July 1996.
7. H. Socas-Navarro, J. Trujillo Bueno, and B. Ruiz Cobo, "Non-LTE Inversion of Stokes Profiles Induced by the Zeeman Effect," ApJ 530, pp. 977-993, Feb. 2000.
8. M. Faurobert-Scholl, "Diagnostics with the Hanle effect," Sol. Phys. 164, pp. 79-90, Mar. 1996.
9. D. Elmore, B. Lites, S. Tomczyk, A. Skumanich, R. Dunn, J. Schuenke, K. Streander, T. Leach, C. Chambellan, H. Hull, and L. Lacey, "Polarization Analysis and Meauserement," in Proceedings SPIE, vol. 1746 of Proceedings SPIE, p. 22, 1992.
10. P. Mein and J. Rayrole, "Themis solar telescope," Vistas Astron. 28, p. 567, 1985.
11. J. Harvey, C. Keller, L. November, and N. Staff, "SOLIS - A Modern Facility for Synoptic Solar Observations," in American Astronomical Society Meeting, vol. 188, p. 6703, May 1996.
12. T.R. Rimmele, S.L. Keil, C.U. Keller, and F. Hill, "The Advanced Technology Solar Telescope - Science goals and instrument description.," in American Geophysical Union, Spring Meeting 2001, p. 31D08, May 2001.
13. S.K. Antiochos, "The Solar-B Mission," in AAS/Solar Physics Division Meeting, vol. 28, p. 1102, May 1997.
14. H. Murase and S. Nayar, "Visual learning and recognition of 3d objects from appearance," Int. J. of Computer Vision 14(1), pp. 5-24, 1995.
15. R. Gulati, R. Gupta, and N. Rao, "A comparison of synthetic and observed spectra for G-K dwarfs using artificial neural networks," A & A 322, pp. 933-937, 1997.
16. K. Glazebrook, A.R. Offer, and K. Deeley, "Automatic redshift determination by use of principal component analysis. I. Fundamentals," ApJ 492, p. 98, Jan. 1998.
17. S. Ronen, A. Aragon-Salamanca, and O. Lahav, "Principal component analysis of synthetic galaxy spectra," MNRAS 303, pp. 284-296, Feb. 1999.
18. D. Rees, A. López Ariste, J. Thatcher, and M. Semel, "Fast inversion of spectral lines using principal component analysis. I. Fundamentals," A & A 355, pp. 759-768, 2000.
19. A. López Ariste, "Spectropolarimetric inversion codes using pattern recognition.," in Advanced Solar Polarimetry. Theory, Observation and Instrumentation., M. Sigwarth, ed., Sacramento Peak, PASP, 2000. In press.
20. C. Bailer-Jones, "Neural network classification of stellar spectra," PASP 109, p. 932, Aug. 1997.
21. T. Carroll, "Inversion of stokes profiles with artificial neural networks.," in Advanced Solar Polarimetry - Theory, Observation, and Instrumentation, M. Sigwarth, ed., 2000. In press.
22. F. Murtagh and A. Heck, Multivariate Data Analysis, Reidel. Dordrecht, 1987.
23. H. Socas-Navarro, A. López Ariste, and B. Lites, "Fast inversion of spectral lines using principal component analysis. II. Inversion of real Stokes data.," ApJ 553, pp. 949-954, 2001.
24. A. López Ariste and M. Semel, "Exponential solutions to the radiative transfer equation for polarized light.," in Proc. 2nd Solar Polarization Workshop, K. Nagendra and J. Stenflo, eds., pp. 157-169, Bangalore, 1998.
25. S. Haykin, Neural networks: A comprehensive foundation, Prentice Hall, 1999.