X-ray or gamma ray systems or devices – Electronic circuit – With display or signaling
Reexamination Certificate
2007-05-15
2007-05-15
Yun, Jurie (Department: 2882)
X-ray or gamma ray systems or devices
Electronic circuit
With display or signaling
C378S098700, C378S207000, C382S132000
Reexamination Certificate
active
11165775
ABSTRACT:
Systems and methods are provided for offset correction of images from a flat panel detector. In some embodiments, the apparatus and method develops one or more offset maps, acquired during system idle, for the imaging system at a plurality of exposure windows. In some embodiments, exposure parameters acquired for the imaging system before image acquisition are used to select an offset map to subtract from subsequent X-ray images. In some further embodiments, executable instructions are disclosed for directing a processor to compile one or more offset map and exposure parameters to subtract based on a selected offset map noise elements from X-ray images and thereby minimizing the time between image acquisition and display of processed images.
REFERENCES:
patent: 5400384 (1995-03-01), Fernandes et al.
patent: 6353654 (2002-03-01), Granfors et al.
patent: 6798864 (2004-09-01), Petrick et al.
patent: 7003146 (2006-02-01), Eck et al.
Langler Donald F
Xue Ping
General Electric
Horton Carl
Ramirez Ellis B.
Vogel Peter
Yun Jurie
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