Distortion Correction

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    Also known as:
    
    perspective correction
    
  

  

  
  
The mathematical process of compensating for perspective distortion, curvature, and image warping during QR code scanning. Alignment patterns provide additional reference points beyond the finder patterns for this correction.


  



  

  
  
  
  

  
  
  
  

    
Related Terms

    

      
      Finder Pattern
      
      Alignment Pattern
      
      Orientation
      
    

  

  
  

  
  
  

    
Related Content

    

      
      
        

          
          
How QR Code Scanning Works: From Camera to Data

          
          QR Code Fundamentals
          
        

        
        
        
…confirm a QR code is present. Step 3: Orientation and Perspective Correction Using the positions of the three finder patterns, the…