Patent ID: 11861808
Assignee: SAMSUNG ELECTRONICS CO., LTD.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G  H | IPC G

Claim 3:
4. The electronic device as claimed in claim 3, wherein
a variance σd of the Gaussian function is calculated by, σ
        d
      
      ⁡
      
        (
        s
        )
      
    
    =
    
      sqrt
      (
      
        
          -
          
            d
            2
          
        
        
          2
          ⁢
          
            ln
            ⁡
            
              (
              
                
                  
                    
                      -
                      4
                    
                    ⁢
                    d
                  
                  
                    
                      t
                      ⁡
                      
                        (
                        s
                        )
                      
                    
                    -
                    1
                  
                
                +
                1
              
              )
            
          
        
      
      )
    
  
  ,

 where s is the upscaling factor, d is an x coordinate of a contact point between the linear function and the Gaussian function, and t(s) is a value calculated by adding 1 to a distance between x intercepts of the Gaussian function.