Patent ID: 11928825
Assignee: TSINGHUA UNIVERSITY
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 15:
16. The method according to claim 1, wherein a minimization objective function meets a formula of:, ∑
    
     
      a
      i
     
     =
     1
    
   
   
    e
    
     s
     ⁢
     i
    
   
  
  +
  
   
    ∑
    
     
      a
      i
     
     =
     0
    
   
   
    e
    
     i
     ⁢
     t
    
   
  
  +
  
   μ
   ⁢
   
    
     ∑
     
      
       v
       i
      
      ,
      
       
        
         v
         j
        
        ∈
        
         V
         s
        
       
       ;
       
        
         a
         i
        
        ≠
        
         a
         j
        
       
      
     
    
    
     e
     
      i
      ⁢
      j
     
    
   
  
 

where ai represents a label of a superpixel node i, aj represents a label of a superpixel node j,
ai=1 indicates that the superpixel node i belongs to the background and is the background superpixel node,
ai=0 indicates that the superpixel node i belongs to the foreground and is the foreground superpixel node,
esi represents a weight of a foreground edge of the superpixel node i,
esi represents a weight of a background edge of the superpixel node i,
eij represents a weight of a first edge connecting the superpixel node i and the superpixel node j,
Vs represents a set of superpixel nodes,
μ represents a weight factor,
νi represents the superpixel node i, and νj represents the superpixel node j.