Comparison of shift-and-add and bispectrum image reconstruction methods for astronomy in the near infrared.

Details Comparison of shift-and-add and bispectrum image reconstruction methods for astronomy in the near infrared. Comparison of shift-and-add and bispectrum image reconstruction methods for astronomy in the near infrared.

Jul 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996josaa..13.1577k&link_type=abstract

Journal of the Optical Society of America A, Vol. 13, No. 7, p. 1577 - 1583

Computer Science

Performance

1

Image Reconstruction: Infrared Radiation

Scientific paper

Using the results of photometry applied to speckle image reconstructions of the triple stellar system LHS 1070 in the near infrared, the authors compare quantitatively the performance of shift-and-add and bispectrum image reconstruction methods and find that comparable results can be obtained. It is also found that, within this regime, compensation of the bispectrum transfer function is necessary to prevent telescope aberrations from appearing within bispectrum image reconstructions. The effective point-spread functions of these aberrations have been calculated with phase data obtained from the stellar calibration source.

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