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    Также известен как:
    
    digital watermark
    
    QR watermark
    
  

  

  
  
Embedding invisible identification data into QR code module patterns without affecting scannability. Digital watermarks can track the origin of printed QR codes to detect counterfeiting or unauthorised reproduction.


  



  

  
  
  
  

  
  
  
  

    
Связанные термины

    

      
      Custom QR Code
      
      Cryptographic Signature
      
    

  

  
  

  
  
  

    
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…: Detectable by cameras but invisible to human vision Watermarking : QR data embedded in images or textures without visible…