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X‐ray mapping using a new coded irradiation technique
Author(s) -
Gurker N.
Publication year - 1985
Publication title -
x‐ray spectrometry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.447
H-Index - 45
eISSN - 1097-4539
pISSN - 0049-8246
DOI - 10.1002/xrs.1300140208
Subject(s) - 3d scanning , computer science , line (geometry) , transformation (genetics) , signal (programming language) , optics , noise (video) , computer vision , artificial intelligence , image (mathematics) , physics , mathematics , chemistry , geometry , biochemistry , gene , programming language
X‐ray imaging for physical analysis (elemental mapping) using ‘point’‐scanning methods suffers from long scanning times and low signal‐to‐noise ratios owing to the absence of proper focusing elements. A possible solution to this problem is to increase the interaction area (volume) for a single data acquisition step (‘line’ and ‘area’ scanning) and the use of suitable data to image transformation methods. Since in the past line scanning has been used (image reconstruction from projections), a new scanning concept (mask scanning, ‘coded irradiation’) is now introduced, which is related to coded aperture techniques. The principles, computer simulations and first experimental results are presented.