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A Method for Text Detection and Enhancement using Spatio-Temporal Information

  • Journal of The Korea Society of Computer and Information
  • Abbr : JKSCI
  • 2009, 14(8), pp.43-50
  • Publisher : The Korean Society Of Computer And Information
  • Research Area : Engineering > Computer Science

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1목포해양대학교

Accredited

ABSTRACT

Text information in a digital video provides crucial information to acquire semantic information of the video. In the proposed method, text candidate regions are extracted from input sequence by using characteristics of stroke and text candidate regions are localized by using projection to produce text bounding boxes. Bounding boxes containing text regions are verified geometrically and each bounding box existing same location is tracked by calculating matching measure, which is defined as the mean of absolute difference between bounding boxes in the current frame and previous frames. Finally, text regions are enhanced using temporal redundancy of bounding boxes to produce final results. Experimental results for various videos show the validity of the proposed method.

Citation status

* References for papers published after 2022 are currently being built.

This paper was written with support from the National Research Foundation of Korea.