Patent ID: 11900596
Assignee: PING AN TECHNOLOGY (SHENZHEN) CO., LTD
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 16:
17. The non-transitory computer-readable storage medium according to claim 14, wherein the regional level set loss is computed by:, ℓ
   rls
  
  =
  
   
    1
    
     
      ❘
      "\[LeftBracketingBar]"
     
     
      I
      ′
     
     
      ❘
      "\[RightBracketingBar]"
     
    
   
   ⁢
   
    
     ∑
     
      i
      ∈
      
       I
       ′
      
     
    
    
     [
     
      
       
        λ
        1
       
       ·
       
        p
        ⁡
        (
        i
        )
       
       ·
       
        
         
          ❘
          "\[LeftBracketingBar]"
         
         
          
           q
           ⁡
           (
           i
           )
          
          -
          
           c
           1
          
         
         
          ❘
          "\[RightBracketingBar]"
         
        
        2
       
      
      +
      
       
        λ
        2
       
       ·
       
        (
        
         1
         -
         
          p
          ⁡
          (
          i
          )
         
        
        )
       
       ·
       
        
         
          ❘
          "\[LeftBracketingBar]"
         
         
          
           q
           ⁡
           (
           i
           )
          
          -
          
           c
           2
          
         
         
          ❘
          "\[RightBracketingBar]"
         
        
        2
       
      
     
     ]
    
   
  
 

wherein λ1 and λ2 denote predefined non-negative hyper-parameters, q(i) is an intensity of a pixel i, c1 and c2 denote mean pixel intensities of inside and outside areas of a contour, p(i) denotes a probability value of the pixel i, I′ denotes a constrained region of an input image I, and |I′| denotes a number of pixels in I′.