OCR accuracy improvement through a PDE-based approach

Proceedings of the International Conference on Document Analysis and Recognition, ICDAR

Volumn 2, Issue , 2007, Pages 1068-1072

  Drira, Fadoua ^a   LeBourgeois, Frank ^a   Emptoz, Hubert ^a  

^a CNRS   (France)

Author keywords

[No Author keywords available]

Indexed keywords

AIRCRAFT ENGINES; CHARACTER RECOGNITION; DIFFERENCE EQUATIONS; DIFFERENTIAL EQUATIONS; DIFFERENTIATION (CALCULUS); DIFFUSION; DIGITAL IMAGE STORAGE; IMAGE ENHANCEMENT; IONIZING RADIATION; OPTICAL CHARACTER RECOGNITION; TENSORS;

DOCUMENT ANALYSIS; DOCUMENT IMAGING; INTERNATIONAL CONFERENCES;

PARTIAL DIFFERENTIAL EQUATIONS;

EID: 51149096938     PISSN: 15205363     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1109/ICDAR.2007.4377079     Document Type: Conference Paper

References (12)

1. F. Drira, Towards restoring historic documents degraded over time. In IEEE DIAL.06, Lyon, pp. 350-357, 2006.
2. John D. Hobby Tin Kam Ho, Enhancing Degraded Document Images via Bitmap Clustering and Averaging, ICDAR.97, pp. 394-400, 1997.
3. John D. Hobby, Henry S. Baird, Qigong Zheng and Tapas Kanungo, Morphological degradation models and their use in document image restoration. ICIP.01, Greece, pp. 193-196, 2001.
4. J. D. Hobby, H.S. Baird, Degraded Character Image Restoration, In Proc. of Document Analysis and Information Retrieval, Las Vegas, 1996.
5. P. Perona, T. Shiota, J. Malik. Anisotropic diffusion, In Computer Vision, Kluwer Academic Publishers, 1994.
6. J. Weickert. Anisotropic Diffusion in Image Processing. Teubner, Stuttgart, 1998.
7. D. Tschumperle, PDE-Based Regularization of Multivalued Images and Applications, PHD University of Nice-Sophia Antipolis, December 2002.
8. D. Tschumperlé , D. Deriche, Vector-Valued Image regularization with PDEs: a common framework for different applications, IEEE trans. on PAMI, vol. 27, no. 4, April, pp.506-517.
9. C. Feddern, J. Weickert, and B. Burgeth. Level-set methods for tensor valued images. In IEEE Workshop on Geometric and Level Set Methods in Computer Vision, Nice, pp.65-72, 2003.
10. J. Weickert. Coherence enhancing shock filters. In Pattern Recognition, Vol. 2781, pp.1-8, 2003.
11. J. Weickert, C. Feddern, M. Welk, B. Burgeth, T. Brox PDEs for tensor image processing. In Proc. Visualization and Processing of Tensor Fields, Berlin, pp.399-414, 2006.
12. F. Catte, T. Coll, P.L. Lions, and J.M. Morel, Image selective smoothing and edge detection by non-linear diffusion, SIAM J, Numer. Anal., 29(1):pp.182-193, 1992.