A video-based text and equation editor for LaTeX

  • Authors:
  • Özcan Öksüz;Uğur Güdükbay;A. Enis Çetin

  • Affiliations:
  • Department of Computer Engineering, Bilkent University, 06800 Bilkent, Ankara, Turkey;Department of Computer Engineering, Bilkent University, 06800 Bilkent, Ankara, Turkey;Department of Electrical and Electronics Engineering, Bilkent University, 06800 Bilkent, Ankara, Turkey

  • Venue:
  • Engineering Applications of Artificial Intelligence
  • Year:
  • 2008

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Abstract

In this paper we present a video based text and equation editor for LaTeX. The system recognizes what is written onto paper and generates the LaTeX code. Text and equations are written on a regular paper using a board marker, and a USB camera attached to a computer is used to capture and record the pen-tip positions in each consecutive image frame. Characters and symbols are represented as separate finite state machines (FSMs). They are written in an isolated manner and they are recognized on-line using the FSMs. In the last step, LaTeX code corresponding to recognized characters and symbols is generated.