Patent ID: 11967115
Assignee: WUHAN TEXTILE UNIVERSITY
Field: Computer technology (Electrical engineering)
Classification: CPC G  A  Y | IPC A  G

Claim 7:
8. The color matching evaluation method combining the similarity measure and the visual perception according to claim 1, wherein a formula of the Person correlation coefficient in Step 9 is as shown in Formula XVIII;, ρ
      =
      
       
        cov
        ⁡
        (
        
         X
         ⁢
         Y
        
        )
       
       
        
         σ
         x
        
        ⁢
        
         σ
         y
        
       
      
     
     ;
    
   
   
    
     Formula
     ⁢
        
     XVIII
    
   
  
 

wherein X and Y are independent variables; cov(XY) represents a covariance between the variable X and the variable Y; and σ is a standard deviation.