One dimensional X-ray image sensor with a correction filter and

Details One dimensional X-ray image sensor with a correction filter and One dimensional X-ray image sensor with a correction filter and

1991-03-22

1993-01-05

Howell, Janice A.

X-ray or gamma ray systems or devices

Electronic circuit

Exposure timer

378 4, 378 54, 378 55, 378146, 378156, 378 19, 378207, 36441313, 36441314, 36441315, 36441317, H05G 164

Patent

active

051777762

ABSTRACT:
A one dimensional X-ray image sensor consists of a plurality of unit detecting devices aligned in a row and a filter which covers a portion thereof and is made of a material having an X-ray absorption coefficient equal to or nearly equal to that of a target material to be inspected. An X-ray inspection apparatus includes the one dimensional X-ray image sensor and further includes a data processor for correcting measured values using data measured in regard to the filter.

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"A Framework for Spectral Artifact Corrections in X-Ray CT", Stonestrom et al., IEEE Transactions on Biomedical Engineering, vol. BME-28, No. 2, Feb., 1981, pp. 128-141.
"A beam-hardening correction using dual-energy computed tomography", Coleman et al., Phys. Med. Biol., 1985, vol. 30, No. 11, 1251-1256, Great Britain.

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