Patent ID: 11961618
Assignee: CITY UNIVERSITY OF HONG KONG
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 10:
11. The method according to claim 9, further comprising updating parameters in the backbone network and the classification branch under supervision with a multi-label loss function defined as:, L
   1
  
  =
  
   
    
     -
     
      1
      N
     
    
    ⁢
    
     
      ∑
      
       i
       =
       1
      
      N
     
     
      
       ∑
       
        c
        =
        0
       
       C
      
      
       
        y
        i
        c
       
       ⁢
       log
       ⁢
       
        
         y
         ˆ
        
        i
        c
       
      
     
    
   
   +
   
    
     (
     
      1
      -
      
       y
       i
       c
      
     
     )
    
    ⁢
    
     log
     ⁡
     (
     
      1
      -
      
       
        y
        ˆ
       
       i
       c
      
     
     ), where L1 is the multi-label loss, N is the number of training samples, the plurality of is the number of classes, yic and ŷic are the prediction probability value and ground-truth value of i-th sample corresponding to c-th class respectively.