US 11,922,647 B2
Image rendering method and apparatus
Ross Davies, Edinburgh (GB); and Steven Reynolds, Edinburgh (GB)
Assigned to CANON MEDICAL SYSTEMS CORPORATION, Otawara-shi (JP)
Filed by CANON MEDICAL SYSTEMS CORPORATION, Otawara (JP)
Filed on Sep. 8, 2021, as Appl. No. 17/447,089.
Prior Publication US 2023/0073574 A1, Mar. 9, 2023
Int. Cl. G06T 7/50 (2017.01); G06T 7/00 (2017.01); G06T 7/33 (2017.01)
CPC G06T 7/337 (2017.01) [G06T 7/0014 (2013.01); G06T 7/50 (2017.01); G06T 2207/30201 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An image processing apparatus comprising processing circuitry configured to:
obtain a respective identity and location for each of a first plurality of anatomical landmarks in a reference volume;
obtain a respective weighting for each anatomical landmark of the first plurality of anatomical landmarks;
obtain a respective identity and location for each of a second plurality of anatomical landmarks in a further volume; and
determine a transform based on a fit between the first plurality of anatomical landmarks and the second plurality of anatomical landmarks, wherein the fit is determined in dependence on the weightings.