Patent ID: 6594378
Filing Date: 2003-07-15
Classification: G06T,Y10S

Abstract:
A method of computerized processing of chest images, comprising:obtaining digital first and second images of a chest; detecting internal rib edges of ribs located interior of a rib cage and overlaying a lung in at least one of said first and second images, comprising, correlating points in said at least one of said first and second images to plural rib edge models using a generalized Hough transform to identify approximate internal rib edges in said one of said images, and delineating actual internal rib edges derived from the identified approximate internal rib edges using a snake model; deriving shift values using said actual internal rib edges; and warping one of said first and second images to produce a warped image which is registered to an other of said first and second images based at least in part on said shift values.