Automatic identification of the long axis of the left ventricle

Details Automatic identification of the long axis of the left ventricle Automatic identification of the long axis of the left ventricle

1993-03-12

1995-06-06

Cohen, Lee S.

Surgery

Truss

Pad

1286531, 382128, A61B 600

Patent

active

054213312

ABSTRACT:
The long axis of the left ventricle is automatically identified by identifying, and correlating, local minima and maxima in images of slices of the left ventricle. Initially, the left ventricle is identified within a representative transverse slice of the left ventricle. The centerline of this slice is automatically computed and used as a reorientation axis, along which another (sagittal) slice of the left ventricle is reconstructed. The centerline of this sagittal slice is automatically computed, and is the long axis of the left ventricle. The accuracy of this identification is confirmed by reconstructing oblique transverse slices of the left ventricle and verifying that their centers are coincident.

REFERENCES:
patent: 4101961 (1978-07-01), Reiber
patent: 5150421 (1992-09-01), Morishita et al.
patent: 5273040 (1993-12-01), Apicella et al.
The Journal of Nuclear Medicine, vol. 32, No. 9, pp. 1794-1800 (Sep., 1991), Zuo-Xiang He, et al.

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