Patent ID: 11928782
Assignee: PING AN TECHNOLOGY (SHENZHEN) CO., LTD
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 11:
12. The computer device of claim 7, wherein a construction formula of the 3D heat map is, g
     i
    
    (
    
     x
     ,
     
      δ
      i
     
    
    )
   
   =
   
    
     γ
     
      
       
        (
        
         2
         ⁢
         π
        
        )
       
       
        d
        /
        2
       
      
      ⁢
      
       δ
       i
       d
      
     
    
    ⁢
      
    exp
    ⁢
      
    
     (
     
      -
      
       
        
         
         
          x
          -
          
           
            x
            '
           
           i
          
         
         
        
        2
        2
       
       
        2
        ⁢
        
         δ
         i
         2
        
       
      
     
     )
    
   
  
  ,, γ represents a hyper-parameter; δi represents a learnability parameter; gi represents a pixel value corresponding to a channel of a i′th feature point in the heat map; x represents a pixel position; x′ represents a key point position; d represents a dimension of the heat map; a loss function is L2.