A new method for text-line segmentation for warped documents

  • Authors:
  • Daniel M. Oliveira;Rafael D. Lins;Gabriel Torreão;Jian Fan;Marcelo Thielo

  • Affiliations:
  • Departamento de Eletrônica e Sistemas, Universidade Federal de Pernambuco, Recife, PE, Brasil;Departamento de Eletrônica e Sistemas, Universidade Federal de Pernambuco, Recife, PE, Brasil;Departamento de Eletrônica e Sistemas, Universidade Federal de Pernambuco, Recife, PE, Brasil;Hewlett-Packard Labs, Palo Alto;Hewlett-Packard Labs, Porto Alegre, Brazil

  • Venue:
  • ICIAR'10 Proceedings of the 7th international conference on Image Analysis and Recognition - Volume Part II
  • Year:
  • 2010

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Abstract

Bound documents either scanned or captured with digital cameras often present a geometrical warp that makes text-lines curled. The identification of text-lines is one of the steps for document de-warping when only a single image is available. This paper presents a new method for text-line segmentation. It is based on a simple, but effective, skew detector proposed by Ávila-Lins and simplifies the idea of coupled snakes introduced by Bukhari to a moving parallel line regression. The proposed method performed better than the best of the similar algorithms in the literature.