Slice image and/or dimensional image creating method

Details Slice image and/or dimensional image creating method Slice image and/or dimensional image creating method

2007-03-06

2007-03-06

Thomas, Courtney (Department: 2882)

X-ray or gamma ray systems or devices

Accessory

Testing or calibration

C378S062000, C378S018000

Reexamination Certificate

active

10862458

ABSTRACT:
Projection images of a calibration phantom are picked up and stored. Three-dimensional position information on an X-ray tube and an area detector is obtained from the projection images and three-dimensional arrangement information on markers inside the calibration phantom. Three-dimensional position information is obtained for all projection images, and stored in a three-dimensional position information storage unit. Projection images of an object under examination are picked up by following the same tracks and the same sequence as when radiographing the calibration phantom. Radiographic data of the projection images is read. A reconstructing calculation is carried out for the object based on the three-dimensional position information on the X-ray tube and area detector relative to the calibration phantom, to create slice images or three-dimensional volume data of a selected site of the object.

REFERENCES:
patent: 6493574 (2002-12-01), Ehnholm et al.
patent: 6715918 (2004-04-01), Mitschke et al.
patent: 2002/0191736 (2002-12-01), Shiota
patent: 2003-061944 (2003-03-01), None
Korean Office Action dated Jan. 31, 2006 (Application No. 10-2004-0042101).

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