US 11,935,246 B2
Systems and methods for image segmentation
Yanen Guo, Shanghai (CN); Jianhua Shen, Shanghai (CN); and Xiaodong Wang, Shanghai (CN)
Assigned to SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD., Shanghai (CN)
Filed by SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD., Shanghai (CN)
Filed on Nov. 8, 2021, as Appl. No. 17/454,053.
Application 17/454,053 is a continuation of application No. 16/674,172, filed on Nov. 5, 2019, granted, now 11,170,509.
Application 16/674,172 is a continuation of application No. PCT/CN2017/083184, filed on May 5, 2017.
Prior Publication US 2022/0058806 A1, Feb. 24, 2022
Int. Cl. G06T 7/12 (2017.01); G06T 3/00 (2006.01); G06T 7/13 (2017.01); G06T 7/149 (2017.01); G06T 11/00 (2006.01)
CPC G06T 7/149 (2017.01) [G06T 3/0006 (2013.01); G06T 7/12 (2017.01); G06T 7/13 (2017.01); G06T 11/003 (2013.01); G06T 2207/10081 (2013.01); G06T 2207/20061 (2013.01); G06T 2207/20076 (2013.01); G06T 2207/30012 (2013.01); G06T 2207/30016 (2013.01); G06T 2207/30048 (2013.01); G06T 2207/30056 (2013.01); G06T 2207/30084 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A method, composing:
obtaining image data;
reconstructing an image based on the image data, wherein the image includes one or more first edges;
obtaining a model, wherein the model includes one or more second edges corresponding to the one or more first edges;
matching the model and the image based on the one or more first edges and the one or more second edges; and
adjusting the one or more second edges of the model based on the one or more first edges by:
determining a reference point on each of the one or more second edges, including:
obtaining a point on an inner edge of the each of the one or more second edges as the reference point;
determining an object point corresponding to the reference point; and
adjusting the each of the one or more second edges of the model based on the object point.