纠错级别

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    又称:
    
    EC level
    
    ECC level
    
  

  

  
  
One of four levels determining how much damage a QR code can sustain: L (7% recovery), M (15%), Q (25%), H (30%). Higher levels use more codewords for parity, reducing data capacity but increasing resilience to physical damage, dirt, and partial obstruction.


  



  

  
  
  
  

  
  
  
  

    
相关术语

    

      
      Reed-Solomon Code
      
      Interleaving
      
      Error Correction Capacity
      
      Data Capacity
      
      Scan Failure
      
      Custom QR Code
      
      Logo Integration
      
      Artistic QR Code
      
    

  

  
  

  
  
  

    
Related Content

    

      
      
        

          
          
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…correction level . Here are some practical examples at EC Level M: Version Modules Numeric Alphanumeric Byte 1 21x21 34 20…

        
      
      
      
        

          
          
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…— but the less space remains for your actual data. At EC Level L, roughly 7% of codewords are correctable. At Level H,…

        
      
      
      
        

          
          
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…of errors exceeds the correction capacity of the chosen EC level, decoding fails. Step 8: Data Extraction Finally, the…

        
      
      
      
        

          
          
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…based on three factors: version, encoding mode, and EC level. Capacity by Encoding Mode QR codes support four primary…

        
      
      
      
        

          
          
QR Code vs 条形码：为什么2D获胜

          
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…numeric characters or 2,953 bytes at maximum version and EC level . Scanning Flexibility Barcodes must be scanned in a…

        
      
      
      
        

          
          
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…Corrects the erroneous codewords Practical Implications EC Level EC Codewords (%) Correctable Codewords (%) L ~20% ~7% M…