Patent ID: 6747665
Filing Date: 2004-06-08
Classification: G06T

Abstract:
A method of displaying objects on medical images generated by an imaging system, said method comprising the steps of:generating at least one medical image object using the imaging system; receiving data from a user regarding a selection of an area of the generated medical image; generating at least one graphical object based on the received data, each graphical object having a determined opacity value; and sorting the objects, and generating a composite image of the objects, wherein said generating a composite image of the objects comprises the step of blending of each image object and each graphical object, wherein said blending each image object and each graphical object comprises the steps of: determining a source scale factor; and determining a destination scale factor for a component Cd, in accordance with: Cd=min&af;(kA,Cs*(AskA)+Cd-1&af;(1-AskA)),â€ƒwhere: As equals an alpha value for a source; kA equals 2Mcâˆ’1, where Mc equals a number of bitplanes in an alpha component; Cs is a source value of a single component of the graphical object; and Cs and Cdâˆ’1 are from the same component as Cd.