X-ray imaging system

Details X-ray imaging system X-ray imaging system

1998-04-29

2000-03-14

Bruce, David V.

X-ray or gamma ray systems or devices

Specific application

Absorption

378 4, 378901, G01N 2304, H61B 603

Patent

active

060382821

ABSTRACT:
In an X-ray imaging system with a C-arm which exhibits mechanical instability and changes the radiation geometry, the image reconstruction ensues with a calculation of the coordinates of the individual voxels being forgone. A voxel-driven back projection ensues without the calculation of positional coordinates and physical focus position and detector position.

REFERENCES:
patent: 5706324 (1998-01-01), Wiesent et al.
patent: 5963612 (1999-10-01), Navab
patent: 5963613 (1999-10-01), Navab
"Dynamic Geometrical Calibration for 3-D Cerebral Angiography," Navab et al., SPIE, vol. 2708/361, pp. 361-370, Feb. 1996.
"Practical Cone-Beam Algorithm," Feldkamp et al, J. Opt. Soc. Am. A/vol. 1, No. 6, Jun. 1984, pp. 612-619.

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