US 11,922,634 B2
Establishing a contour of a structure based on image information
Jochen Peters, Hamburg (DE); Olivier Ecabert, Aachen (DE); Carsten Meyer, Hamburg (DE); Reinhard Kneser, Aachen (DE); and Juergen Weese, Hamburg (DE)
Assigned to KONINKLIJKE PHILIPS N.V., Eindhoven (NL)
Filed by KONINKLIJKE PHILIPS N.V., Eindhoven (NL)
Filed on Aug. 9, 2017, as Appl. No. 15/665,735.
Application 15/665,735 is a continuation of application No. 13/377,401, abandoned, previously published as PCT/IB2010/052756, filed on Jun. 18, 2010.
Claims priority of application No. 09163572 (EP), filed on Jun. 24, 2009.
Prior Publication US 2017/0330328 A1, Nov. 16, 2017
Int. Cl. G06T 7/149 (2017.01); G06T 7/00 (2017.01); G06T 7/12 (2017.01); G06T 7/60 (2017.01)
CPC G06T 7/149 (2017.01) [G06T 7/0012 (2013.01); G06T 7/12 (2017.01); G06T 7/60 (2013.01); G06T 7/97 (2017.01); G06T 2207/10072 (2013.01); G06T 2207/20116 (2013.01); G06T 2207/30004 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A system for establishing a contour of a structure comprising:
one or more computer processors configured 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;
performing a deforming step including:
determining a first force value based exon 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
a display configured to display the first and second images and the common adaptive mesh.