Energy subtraction processing apparatus, method, and...

Details Energy subtraction processing apparatus, method, and... Energy subtraction processing apparatus, method, and...

2011-07-19

2011-07-19

Song, Hoon (Department: 2882)

X-ray or gamma ray systems or devices

Electronic circuit

With display or signaling

C378S155000

Reexamination Certificate

active

07983390

ABSTRACT:
In energy subtraction processing, grid information representing grid use conditions at the time of imaging operations for a plurality of radiation images of an object is acquired. Weight factors are adjusted in accordance with the grid information, which has been acquired. A weighted addition or subtraction process is performed on corresponding pixels in the plurality of the radiation images of the object by use of the weight factors, which have thus been adjusted. A constituent image representing a predetermined constituent in the object is thus formed.

REFERENCES:
patent: 6244507 (2001-06-01), Garland et al.
patent: 6624439 (2003-09-01), Arakawa
patent: 2002/0126800 (2002-09-01), Matsumoto et al.
patent: 2008/0080673 (2008-04-01), Yamakita

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