Text extraction from graphical document images using sparse representation

  title={Text extraction from graphical document images using sparse representation},
  author={Thai V. Hoang and Salvatore Tabbone},
  booktitle={Document Analysis Systems},
A novel text extraction method from graphical document images is presented in this paper. Graphical document images containing text and graphics components are considered as two-dimensional signals by which text and graphics have different morphological characteristics. The proposed algorithm relies upon a sparse representation framework with two appropriately chosen discriminative overcomplete dictionaries, each one gives sparse representation over one type of signal and non-sparse… CONTINUE READING
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