Learn AI Create the Future — with Pranay
Main site

Computer Vision Section 063

OCR and Document Vision

Turning pictures of text back into text, and pictures of forms back into fields you can query.

Every lesson in this section is written by .

11 of 11 lessons published Three reading levels on every lesson

Start with “How an OCR system is put together”

Lessons in order

Work top to bottom. Each lesson assumes the one above it.

  1. How an OCR system is put together
  2. Preprocessing scans for OCR
  3. Text detection models
  4. CRNN text recognition
  5. CTC loss
  6. Tesseract in practice
  7. TrOCR and transformer OCR
  8. Handwriting recognition
  9. Document layout analysis
  10. Table extraction from documents
  11. LayoutLM and form understanding