Ac-pc segmentation system and method

Details Ac-pc segmentation system and method Ac-pc segmentation system and method

A - Human Necessities

61

B

A61B 6/02 (2006.01) A61B 5/055 (2006.01) A61B 6/03 (2006.01) A61G 99/00 (2006.01)

Patent

CA 2748053

A computer-implemented system and method of determining anterior commissure (AC) and posterior commissure (PC) points in a volumetric neuroradiological image. The method includes determining, by a computer, a mid-sagittal plane estimate to extract a mid-sagittal plane image from the volumetric neuroradiological image, and AC and PC point estimates in the mid-sagittal plane image. The method further includes determining, by the computer, a refined mid-sagittal plane estimate from the AC and PC point estimates to extract a refined mid-sagittal plane image, the AC point from the refined mid-sagittal plane image, and the PC point from the refined mid-sagittal plane image and the AC point.

Linvention porte sur un système informatique et sur un procédé de détermination des points de commissure antérieure (AC) et de commissure postérieure (PC) dans une image neuroradiologique volumétrique. Le procédé comprend la détermination par un ordinateur dune estimation de plan médiosagittal afin dextraire une image de plan médiosagittal à partir de limage neuroradiologique volumétrique, et destimations des points dAC et de PC dans limage de plan médiosagittal. Le procédé comprend en outre la détermination par lordinateur dune estimation de plan médiosagittal affinée à partir des estimations de points dAC et de PC afin dextraire une image de plan médiosagittal affinée, le point dAC provenant de limage de plan médiosagittal affinée et le point de PC provenant de limage de plan médiosagittal affinée et du point dAC.

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