Organ wall analysis with ray-casting

Details Organ wall analysis with ray-casting Organ wall analysis with ray-casting

2007-06-19

2007-06-19

Jankus, Almis R. (Department: 2628)

Computer graphics processing and selective visual display system

Computer graphics processing

Three-dimension

C382S128000

Reexamination Certificate

active

10978655

ABSTRACT:
A system and corresponding method for organ wall analysis are provided, the system including a processor, an imaging adapter in signal communication with the processor for receiving organ scan data indicative of an organ, a distance mapping unit in signal communication with the processor for providing a three-dimensional distance map of a segmented outer surface of an organ, and a ray-casting unit in signal communication with the processor for providing a maximum intensity projection substantially normal to the segmented outer surface for each of a plurality of rays, and for forming a ray collection by casting each of the plurality of rays from a center of the organ through the respective maximum intensity projection to the segmented outer surface; and the corresponding method including providing a three-dimensional distance map of a segmented outer surface of an organ, providing a maximum intensity projection substantially normal to the segmented outer surface for each of a plurality of rays, and forming a ray collection by casting each of the plurality of rays from a center of the organ through the respective MIP to the segmented outer surface.

REFERENCES:
Lavi, Mapping the coronary arteries on a sphere, Oct. 2, 2005.
Etienne et al., “Soap-Bubble” Visualization and Quantitative analysis of 3D Coronary Magnetic Resonance Angiograms, 2002, pp. 658-666.

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