Ancestry of indirect techniques for X-ray imaging

Details Ancestry of indirect techniques for X-ray imaging Ancestry of indirect techniques for X-ray imaging

Nov 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989spie.1159...14m&link_type=abstract

IN: EUV, X-ray, and gamma-ray instrumentation for astronomy and atomic physics; Proceedings of the Meeting, San Diego, CA, Aug.

Physics

Atomic Physics

1

Fast Fourier Transformations, Image Reconstruction, Moire Fringes, X Ray Imagery, Fresnel Diffraction, Gamma Ray Telescopes

Scientific paper

Historical citations concerning the origins of coded-aperture imaging are corrected. Another scheme is presented for synthetic indirect imaging to overcome certain shortcomings of simple coded apertures. Pairs of Fresnel zone patterns are used to create moire patterns that can be Fourier transformed for image reconstruction. It is also conjectured that image reconstructions that are constrained to be nonnegative should overcome certain complaints concerning indirect imaging.

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