Image analysis – Applications – Motion or velocity measuring
Reexamination Certificate
2006-01-10
2009-11-10
Chang, Jon (Department: 2624)
Image analysis
Applications
Motion or velocity measuring
C382S130000
Reexamination Certificate
active
07616783
ABSTRACT:
A method of evaluating the quality of a the quality of a match between two digitized images includes providing a pair of digitized images I1(x,y,z) and I2(x,y,z), each image comprising a plurality of intensities corresponding to a domain of points (x,y,z) on an 3-dimensional grid, calculating a motion quantification measure from said pair of images, the motion quantification measure |IΔ−| defined by〈IΔ-〉=βN-∑x,y,z[f(IΔ(x,y,z))❘IΔ(x,y,z)<0]wherein the sum is restricted to those IΔ<0, ƒ is a function, β is a constant, N−is the number of domain points with negative subtraction image values, and whereinin-line-formulae description="In-line Formulae" end="lead"?IΔ(x,y,z)=I2(x,y,z)−I1(x,y,z).in-line-formulae description="In-line Formulae" end="tail"?The images depict the same object but are acquired at different times.
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Chang Jon
Siemens Medical Solutions USA , Inc.
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