DocumentCode
2599918
Title
Multiframe Poisson map deconvolution of astronomical images
Author
Hunt, Bobby R. ; Sheppard, David G. ; Nadar, Mariappan S.
Author_Institution
Dept. of Electr. & Comput. Eng., Arizona Univ., Tucson, AZ, USA
Volume
3
fYear
1996
fDate
16-19 Sep 1996
Firstpage
109
Abstract
Two multiframe formulations of Hunt´s Poisson maximum a posteriori (MAP) image restoration algorithm (Hunt and Sementilli, 1992; and Hunt 1995) are presented as a means to restore an astronomical object from multiple short-exposure images. This work anticipates accurate wavefront sensor estimates of the optical transfer function of the atmosphere and telescope combination. Theoretical discussion of the algorithms is presented with simulation results. These results indicate that the multiframe algorithms produce significantly better restorations than single frame algorithms. Additionally, our studies demonstrate that the multiframe algorithms presented accomplish super-resolution
Keywords
astronomical techniques; deconvolution; image resolution; image restoration; maximum likelihood estimation; optical transfer function; MAP; Poisson maximum a posteriori image restoration algorithm; astronomical images; atmosphere; multiframe Poisson map deconvolution; multiframe formulations; multiple short-exposure images; optical transfer function; super-resolution; telescope; wavefront sensor estimates; Adaptive optics; Atmosphere; Atmospheric modeling; Cutoff frequency; Deconvolution; Image restoration; Optical distortion; Optical sensors; Telescopes; USA Councils;
fLanguage
English
Publisher
ieee
Conference_Titel
Image Processing, 1996. Proceedings., International Conference on
Conference_Location
Lausanne
Print_ISBN
0-7803-3259-8
Type
conf
DOI
10.1109/ICIP.1996.560381
Filename
560381
Link To Document