Share with Facebook
Tweet This
Post on reddit
Share with LinkedIn
Add to CiteULike
Add to Mendeley
Add to BibSonomyAbstract
We present a new technique—photon folding—for imaging in nonfocusing telescopes. Inspired by the epoch-folding method in timing analysis, the photon-folding technique directly provides the statistical significance of signals in images, by use of projection matrices. The technique is robust against common imaging problems such as aspect errors and a nonuniform background. The technique provides a deterministic recursive algorithm for improving images, which can be implemented on line. The higher-order photon-folding technique allows a systematic correction for coding noises, which is suitable for studying weak sources in the presence of highly variable strong sources. The technique can be applied to various types of nonfocusing telescopes such as coded-aperture optics, rotational collimators, or Fourier grid telescopes.
© 2002 Optical Society of America
Full Article | PDF ArticleOSA Recommended Articles
Jun′ichi Kotoku, Kazuo Makishima, Yuu Okada, Hitoshi Negoro, Yukikatsu Terada, Hidehiro Kaneda, and Minoru Oda
Appl. Opt. 42(20) 4176-4185 (2003)
Gerald K. Skinner
Appl. Opt. 47(15) 2739-2749 (2008)
Fred Berendse, Scott M. Owens, Peter J. Serlemitsos, Jack Tueller, Kai-Wing Chan, Yang Soong, Hans Krimm, Wayne H. Baumgartner, Yasushi Ogasaka, Keisuke Tamura, Takashi Okajima, Yuzuru Tawara, Koujun Yamashita, Kazutami Misaki, and Hideyo Kunieda
Appl. Opt. 42(10) 1856-1866 (2003)