Patent ID: 11886492
Assignee: BOE TECHNOLOGY GROUP CO., LTD.
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 4:
5. The method according to claim 4, wherein the first number is Nsame, the any image comprises a second number Nn key point features, and the image to be matched comprises a third number Ncheck key point features, wherein Nsame, Nn, and Ncheck are all integers greater than or equal to 0;
the determining a key point feature similarity between the any image and the image to be matched according to the first number comprises: determining a key point feature similarity between the any image and the image to be matched according to a following formula Psift:, P
   sift
  
  =
  
   
    
     N
     same
    
    
     
      N
      check
     
     +
     
      N
      n
     
    
   
   .