Patent ID: 11935246
Assignee: SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD.
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 5:
6. The method of claim 5, wherein the obtaining the first classifier includes:
obtaining a point classifier, wherein the point classifier classifies a plurality of points of the first edge based on image features related to sharpness and location;
obtaining the plurality of classified points by the point classifier, wherein at least a portion of the plurality of classified points are within a certain range of the first edge;
determining a plurality of classified points within the certain range of the first edge as positive samples;
determining a plurality of classified points outside the certain range of the first edge as negative samples;
classifying the positive samples and the negative samples; and
obtaining the first classifier based on the classified positive samples and the classified negative samples.