Patent ID: 11868432
Assignee: SICHUAN UNIVERSITY
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 3:
4. The method for extracting the kansei adjective of the product based on PCA-E according to claim 3, wherein step S22 further comprises: obtaining a variance matrix of the product kansei evaluation vector matrix V′m after zero-centering:, C
     =
     
      
       1
       n
      
      ⁢
      
       V
       m
       ′
      
      ⁢
      
       
        V
        m
        ′
       
       T
      
     
    
   
   
    
     (
     2
     )
    
   
  
 

wherein, n denotes a total number of kansei adjectives.