WO2007002591A3 - Drr generation and enhancement using a dedicated graphics device - Google Patents

Drr generation and enhancement using a dedicated graphics device Download PDF

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Publication number
WO2007002591A3
WO2007002591A3 PCT/US2006/024819 US2006024819W WO2007002591A3 WO 2007002591 A3 WO2007002591 A3 WO 2007002591A3 US 2006024819 W US2006024819 W US 2006024819W WO 2007002591 A3 WO2007002591 A3 WO 2007002591A3
Authority
WO
WIPO (PCT)
Prior art keywords
graphics device
volume rendering
enhancement
scan data
drr
Prior art date
Application number
PCT/US2006/024819
Other languages
French (fr)
Other versions
WO2007002591A2 (en
Inventor
Bai Wang
Dongshan Fu
Original Assignee
Accuray Inc
Bai Wang
Dongshan Fu
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Accuray Inc, Bai Wang, Dongshan Fu filed Critical Accuray Inc
Publication of WO2007002591A2 publication Critical patent/WO2007002591A2/en
Publication of WO2007002591A3 publication Critical patent/WO2007002591A3/en

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Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T15/00—3D [Three Dimensional] image rendering
    • G06T15/08—Volume rendering

Abstract

DRR generation and enhancement using a dedicated graphics device are described herein. In one embodiment, an example of a process for generating DRR (digitally reconstructed radiography) images includes, but is not limited to, loading a volume rendering program into a graphics device, the volume rendering program representing a predetermined algorithm according to a non-linear attenuation model. In response to 3D scan data, the graphics device is invoked to execute the volume rendering program to perform at least a portion of volume rendering operations on at least a portion of the 3D scan data, which may include modifying the 3D scan data according to the predetermined algorithm to compensate for a difference between a first attenuation of an object with respect to a second attenuation associating a known intensity of the object. Other methods and apparatuses are also described.
PCT/US2006/024819 2005-06-23 2006-06-23 Drr generation and enhancement using a dedicated graphics device WO2007002591A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/166,686 2005-06-23
US11/166,686 US7330578B2 (en) 2005-06-23 2005-06-23 DRR generation and enhancement using a dedicated graphics device

Publications (2)

Publication Number Publication Date
WO2007002591A2 WO2007002591A2 (en) 2007-01-04
WO2007002591A3 true WO2007002591A3 (en) 2008-01-03

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Family Applications (1)

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PCT/US2006/024819 WO2007002591A2 (en) 2005-06-23 2006-06-23 Drr generation and enhancement using a dedicated graphics device

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US (2) US7330578B2 (en)
WO (1) WO2007002591A2 (en)

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Also Published As

Publication number Publication date
WO2007002591A2 (en) 2007-01-04
US7330578B2 (en) 2008-02-12
US20080069422A1 (en) 2008-03-20
US20060291710A1 (en) 2006-12-28

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