A semi-automatic groundtruthing framework for performance evaluation of symbol recognition and spotting systems

Authors:
Mathieu Delalandre;Jean-Yves Ramel;Nicolas Sidere
Affiliations:
Laboratory of Computer Science, François Rabelais University, Tours city, France;Laboratory of Computer Science, François Rabelais University, Tours city, France;Laboratory of Computer Science, François Rabelais University, Tours city, France
Venue:
GREC'11 Proceedings of the 9th international conference on Graphics Recognition: new trends and challenges
Year:
2011

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Abstract

In this paper, we are interested with the groundtruthing problem for performance evaluation of symbol recognition & spotting systems. We propose a complete framework based on user interaction scheme through a tactile device, exploiting image processing components to achieve groundtruthing of real-life documents in an semi-automatic way. It is based on a top-down matching algorithm, to make the recognition process less sensitive to context information. We have developed a specific architecture to achieve the recognition in constraint time, working with a sub-linear complexity and with extra memory cost.