On-line handwritten formula recognition using hidden Markov models and context dependent graph grammars

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

Volumn , Issue , 1999, Pages 107-110

  Kosmala, Andreas ^a   Rigoll, Gerhard ^a   Lavirotte, Stéphane ^b   Pottier, Loïc ^b  

^a UNIVERSITY OF DUISBURG ESSEN   (Germany)

^b INRIA   (France)

Author keywords

[No Author keywords available]

Indexed keywords

CHARACTER RECOGNITION; CONTEXT SENSITIVE GRAMMARS; FORESTRY; FORMAL LANGUAGES; GRAPH THEORY; MARKOV PROCESSES; TREES (MATHEMATICS); TRELLIS CODES;

CONTEXT DEPENDENT; GRAPH GRAMMAR; GRAPH-GRAMMAR APPROACH; MATHEMATICAL EXPRESSIONS; OFF-LINE RECOGNITION; PRE-PROCESSING; STRUCTURE RECOGNITION; TREE STRUCTURES;

HIDDEN MARKOV MODELS;

EID: 84937481220     PISSN: 15205363     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1109/ICDAR.1999.791736     Document Type: Conference Paper

References (10)

1. D. Blostein and A. Grbavec. Recognition of Mathematical Notation. In H. Bunke and P. S. P. Wang, editors, Handbook of Character Recognition and Document Image Analysis, chapter 21, pages 557-582. World Scientific Publishing, 1997.
2. A. Kosmala and G. Rigoll. Recognition of On-Line Handwritten Formulas. In 6th Int. Workshop on Frontiers in Handwriting Recognition (IWFHR), Taejon, Korea, 1998.
3. A. Kosmala, J. Rottland, and G. Rigoll. An Investigation of the Use of Trigraphs for Large Vocabulary Cursive Handwriting Recognition. In Proc. IEEE Int. Conf. on Acoustics, Speech and Signal Processing (ICASSP), pages 3373-3376, Munich, 1997.
4. S. Lavirotte and L. Pottier. Optical formula recognition. In Proc. of 4th Int. Conf. on Document Analysis and Recognition, volume 1, pages 357-361, Ulm, Aug. 1997. IEEE Computer Society Press.
5. S. Lavirotte and L. Pottier. Mathematical formula recognition using graph grammar. In Document Recognition V, volume 3305, pages 44-52, San Jose, USA, Jan. 1998. SPIE - The Int. Society for Optical Engineering.
6. H. Lee and J. Wang. Design of a mathematical expression recogntion system. In Proc. of 3rd Int. Conf. on Document Analysis and Recognition, pages 1084-1087, Montreal, Canada, Aug. 1995. IEEE Computer Society Press.
7. S. Manke, M. Finke, and A. Waibel. Combining Bitmaps with Dynamic Writing Information for On-Line Handwriting Recognition. In Proc. Int. Conf. on Pattern Recognition (ICPR), pages 596-598, Jerusalem, 1994.
8. L. R. Rabiner. A Tutorial on Hidden Markov Models and Selected Applications in Speech Recognition. Proc. of the IEEE, 77(2):257-285, 1989.
9. G. Rigoll and A. Kosmala. An Investigation of Context-Dependent and Hybrid Modeling Techniques for Very Large Vocabulary On-Line Cursive Handwriting Recognition. In 6th Int. Workshop on Frontiers in Handwriting Recognition (IWFHR), Taejon, Korea, 1998.
10. G. Rigoll, A. Kosmala, J. Rottland, and C. Neukirchen. A Comparison between Continuous and Discrete Density Hidden Markov Models for Cursive Handwriting Recognition. In Proc. Int. Conf. on Pattern Recognition (ICPR), volume 2, pages 205-209, Vienna, 1996.