Image analysis – Applications – Biomedical applications
Reexamination Certificate
2011-05-10
2011-05-10
Perungavoor, Sath V (Department: 2624)
Image analysis
Applications
Biomedical applications
C382S100000, C382S128000, C382S130000, C382S134000, C600S407000, C600S408000, C600S410000, C600S425000, C128S922000
Reexamination Certificate
active
07940977
ABSTRACT:
A method of identifying a calcium and/or a soft plaque deposit in a blood vessel using imaging data of the blood vessel is provided. A first threshold is applied to a slice of three-dimensional imaging data of a blood vessel to define voxels above the first threshold. A maximum intensity of the blood vessel is identified from the defined voxels. A distance from the identified maximum intensity to a center of the blood vessel is calculated and is compared with a distance threshold. If the calculated distance is greater than the distance threshold, a calcium deposit is identified. A second threshold is applied to the slice to define voxels below the second threshold. If a calcium deposit is identified or if the defined voxels below the threshold have a half-moon shape, a soft plaque deposit is identified.
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Begelman Grigory
Goldenberg Roman
Levanon Shai
Ohayon Shay
Walach Eugene
Foley & Lardner LLP
Heidemann Jason
Perungavoor Sath V
Rcadia Medical Imaging Ltd.
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