Patent ID: 8885906
Filing Date: 2014-11-11
Classification: A61B,G06T

Abstract:
1. A method for standardized and comparable determination of normalized quantitative measurements based on images or image data acquired by different imaging systems, comprising the steps of: determining for each of said imaging systems acquisition parameters to be used to acquire said images or image data such that within the capabilities of said imaging system a substantial linear image acquisition is performed; determining for each of said imaging systems using said acquisition parameters a stationary or non-stationary point spread function (psf), which describes imaging properties of the respective imaging system; defining a stationary or non-stationary point spread function (npsf), which describes imaging properties of a virtual normalized imaging system; calculating using transconvolution normalized images or image data (n) starting from images or image data (d) acquired by said imaging systems; where said transconvolution is represented as a convolution of the respective acquired images or image data (d) with the result of a convolution of the inverse of said point spread function of the respective imaging system (psf determining said normalized quantitative measurement values for said acquired images or image data by using a respective set of said calculated normalized images or image data.