Page History

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• Two books - page images and companion OCR - (sample book from HTDL) Alice's Adventures in Wonderland
  
  • What our eyes like to read is images
  • What machines read  needs to be constrained and predictable:"machine actionable"
• Books have metadata -
  
  • bibliographic (catalog view, MARC view)
  • structural
• OCR - where does it come from?
• OCR issues
• • language specific challenges
    
    • Roman/non Roman
    • Special character sets: Japanese done well, and not so well
    • Mixed languages: Latin/Greek 
  • font styles
  • image resolution
  • handwriting

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