Real-time motion tracking using tomosynthesis

Details Real-time motion tracking using tomosynthesis Real-time motion tracking using tomosynthesis

2009-01-16

2010-11-09

Kiknadze, Irakli (Department: 2882)

X-ray or gamma ray systems or devices

Specific application

Tomography

C378S065000

Reexamination Certificate

active

07831013

ABSTRACT:
One embodiment of the present disclosure sets forth a method for determining a movement of a target region using tomosynthesis. The method includes the steps of accessing a first set of projection radiographs of the target region over a first processing window defined by a first range of projection angles, accessing a second set of projection radiographs of the target region over a second processing window defined by a second range of projection angles, wherein the first processing window slides to the second processing window during treatment of the target region, and comparing a first positional information derived from the first set of the projection radiographs and a second positional information derived from the second set of the projection radiographs with the first positional information to determine the movement of the target region.

REFERENCES:
patent: 6256364 (2001-07-01), Toth
patent: 7245698 (2007-07-01), Pang
patent: 7519151 (2009-04-01), Shukla et al.
patent: 7711087 (2010-05-01), Mostafavi
patent: 2007/0025509 (2007-02-01), Pang et al.
patent: 2007/0291895 (2007-12-01), Yin
PCT Notification of Transmittal of the International Search Report and the Written Opinion of the International Searching Authority, or the Declaration, PCT/US2010/021092 Intern. filing dated Jan. 15, 2010.

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