Patent ID: 11922634
Assignee: KONINKLIJKE PHILIPS N.V.
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 9:
10. A non-transitory computer readable medium storing instructions that, when executed by one or more processors, cause the one or more processors to:
receive a first image from a first imaging modality, the first image at least partially representing the structure;
receive a second image from a second imaging modality, the second imaging modality being different form the first imaging modality, the second image at least partially representing the structure, wherein the first and second images both depict common portions of the structure and the first image depicts a portion of the structure not depicted by the second image;
establishing the contour of the structure by:
determining a first force value based on features in the first image for a first part of a common adaptive mesh based on a corresponding portion of the structure that is represented in the first image;
determining a second force value based on features in the second image for the first part of the common adaptive mesh;
back-transforming one or more components of the first force value and one or more components of the second force value from respective image coordinate systems (ICSs) to a common coordinate system (CCS), the CCS corresponding to the common adaptive mesh and the ICSs corresponding to the first image and the second image respectively;
determining an external net force based on the back-transformed first and second force values; and

applying the external net force to the first part of the common adaptive mesh;
wherein components of the back-transformation are determined by aspects of a concurrent iterative registration process; and

with a display, displaying the first and second images and the common adaptive mesh with the common adaptive mesh displayed as an overlay on the first and second images.