Patent ID: 11922643
Assignee: nan
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G  H | IPC G  H

Claim 7:
8. The method for intelligently measuring vehicle speed based on the binocular stereo vision system according to claim 7, wherein in step 6, stereo measurement is performed on screened matching points by the binocular stereo vision system to get the positions P1=(x1, y1, z1) and P2=(x2, y2, z2) of the target vehicle at the time t1 and t2, the time interval is Δt=t1−t2, the average speed of the target vehicle between points P1 and P2 is calculated as:, s
   =
   
    
     
      
       
        (
        
         
          x
          2
         
         -
         
          x
          1
         
        
        )
       
       2
      
      +
      
       
        (
        
         
          y
          2
         
         -
         
          y
          1
         
        
        )
       
       2
      
      +
      
       
        (
        
         
          z
          2
         
         -
         
          z
          1
         
        
        )
       
       2
      
     
    
    
     Δ
     ⁢
     t
    
   
  
  .