Patent ID: 11947622
Assignee: THE RESEARCH FOUNDATION FOR THE STATE UNIVERSITY OF NEW YORK
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 9:
10. The method according to claim 9, further comprising finding maximum likelihood estimates, ⁢
    
      (
      
        P
        ,
        S
      
      )
    
  
  =
  
    
      
        
          -
          log
        
        ⁢
        
          L
          ⁡
          
            (
            
              P
              ,
              S
            
            )
          
        
      
      +
      
        λ
        ⁢
        
          
            
            
              
                P
                T
              
              ⁢
              
                P
                ′
              
            
            
          
          2
        
      
    
    =
    
      constant
      +
      
        
          n
          ⁢
          p
        
        2
      
      +
      
        
          1
          
            2
            ⁢
            
              σ
              2
            
          
        
        ⁢
        
          
            
            
              X
              -
              
                P
                ⁢
                
                  S
                  T
                
              
            
            
          
          2
        
      
      +
      
        λ
        ⁢
        
          
            
            
              
                P
                T
              
              ⁢
              
                P
                ′
              
            
            
          
          2, subject to the null hypothesis constraint H0: P′TP=0,, by iteratively minimizing (P,S)=∥X−PST∥2+λ∥PTP′∥2, wherein, λ
  =
  
    
      1
      
        m
        ⁢
        k
      
    
    ⁢
    
      
        ∑
        
          i
          ⁢
          j
        
      
      ⁢
      
        
          
            
              (
              
                
                  X
                  ⁢
                  S
                
                -
                
                  P
                  ⁢
                  
                    S
                    T
                  
                  ⁢
                  S
                
              
              )
            
            ij
          
          
            
              (
              
                
                  P
                  ′
                
                ⁢
                
                  P
                  
                    ′
                    ⁢
                    
                      
                    
                    ⁢
                    T
                  
                
                ⁢
                P
              
              )
            
            ij
          
        
        .