Virtual document restoration

Virtual document restoration is a collection techniques to improve image quality for a particular purpose:

  • Republishing and reprint
  • Readability and display
  • Compression
  • Automatic processing
    • Layout analysis
    • OCR (see example below)
Image dégradée Image restaurée
Image de mauvaise qualité Image restaurée

Depending on the purpose, one may choose a particular technique. It is unthinkable to change the appearance of characters from a book for a codicological study, however the reprint of a book will require cleaning and shape regularization.

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