Patent ID: 11936857
Assignee: TEXAS INSTRUMENTS INCORPORATED
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H | IPC H

Claim 16:
17. The system of claim 16, wherein the activity is determined from:, act
   (
   n
   )
  
  =
  
   
    (
    
     
      actX
      ⁡
      (
      n
      )
     
     +
     
      actY
      ⁡
      (
      n
      )
     
    
    )
   
   /
   
    f
    ⁡
    (
    
     V
     ,
     H
    
    )
   
  
 

 wherein

 
  
   actX
   ⁡
   (
   n
   )
  
  =
  
   
    ∑
    
     y
     =
     0
    
    
     V
     -
     1
    
   
    
   
    
     ∑
     
      x
      =
      0
     
     
      H
      -
      2
     
    
     
    
     
      ❘
      "\[LeftBracketingBar]"
     
     
      
       
        curr
        
         (
         n
         )
        
       
       (
       
        x
        ,
        y
       
       )
      
      -
      
       
        curr
        
         (
         n
         )
        
       
       (
       
        
         x
         +
         1
        
        ,
        y
       
       )
      
     
     
      ❘
      "\[RightBracketingBar]"
     
    
   
  
 

 and

 
  
   actY
   ⁡
   (
   n
   )
  
  =
   
  
   
    ∑
    
     x
     =
     0
    
    
     H
     -
     1
    
   
   
    
     ∑
     
      y
      =
      0
     
     
      V
      -
      2
     
    
     
    
     
      ❘
      "\[LeftBracketingBar]"
     
     
      
       
        curr
        
         (
         n
         )
        
       
       (
       
        x
        ,
        y
       
       )
      
      -
      
       
        curr
        
         (
         n
         )
        
       
       (
       
        x
        ,
        
         y
         +
         1
        
       
       )
      
     
     
      ❘
      "\[RightBracketingBar]"
     
    
   
  
 

wherein V is a number of pixels in a vertical direction,
wherein H is a number of pixels in a horizontal direction, and
wherein n is a number of current pixels.