Radiographic imaging system

Details Radiographic imaging system Radiographic imaging system

2009-08-12

2010-10-26

Song, Hoon (Department: 2882)

X-ray or gamma ray systems or devices

Electronic circuit

C378S207000

Reexamination Certificate

active

07822178

ABSTRACT:
A radiographic imaging system comprises: offset correction unit for performing offset correction on a radiographic image acquired by a radiation detector using a offset correction data in a storage, dark image acquisition unit for acquiring a dark image with the radiation detector at a given timing in the absence of radiation emitted from a radiation source, residual image judgment unit for judging whether or not dark image acquired by the dark image acquisition unit contains a residual image resulting from an immediately preceding irradiation, offset correction data renewal unit for producing offset correction data based upon the dark image and storing the offset correction data in the storage for renewal when the residual image judgment unit judges the dark image to contain no residual image, and producing no offset correction data when the residual image judgment unit judges the dark image to contain a residual image.

REFERENCES:
patent: 2003/0223539 (2003-12-01), Granfors et al.
patent: 2004/0258201 (2004-12-01), Hayashida
patent: 2010/0020933 (2010-01-01), Topfer et al.
patent: 2005-283422 (2005-10-01), None

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