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Nonredundant Point Distribution for Coded Aperture Imaging with Application to Three-Dimensional On-Line X-Ray Information Retrieving

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1 Author(s)
Weiss, H. ; Philips Forschungslaboratorium

Conventional methods of displaying three-dimensional information in X-ray diagnostics like tomography or tomosynthesis are not capable of imaging fast moving objects because of the time-sequential recording process. To overcome this difficulty the method of coded aperture imaging using nonredundant point distributions is applied to X-ray imaging. The object coded by an array of X-ray sources is deconvoluted by means of an optical processing system using monochromatic, but spatially incoherent light. Experimental results obtained with simple objects show good resolution in detail as well as in depth. Moreover, an on-line system has been simulated using coded images on X-ray films with a TV-camera pick up in conjunction with an electrooptic relay tube.

Published in:

Computers, IEEE Transactions on  (Volume:C-24 ,  Issue: 4 )

Date of Publication:

April 1975

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