Graphics Recognition. Recent Advances and New Opportunities

1. Front Matter

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2. Technical Documents, Maps and Diagrams Understanding

   1. Automatically Making Origami Diagrams

      • Jien Kato, Hiroshi Shimanuki, Toyohide Watanabe

      Pages 1-8

   2. An Adaptative Recognition System Using a Table Description Language for Hierarchical Table Structures in Archival Documents

      • Isaac Martinat, Bertrand Coüasnon, Jean Camillerapp

      Pages 9-20

   3. Converting ECG and Other Paper Legated Biomedical Maps into Digital Signals

      • A. R. Gomes e Silva, H. M. de Oliveira, R. D. Lins

      Pages 21-28

3. Symbol and Shape Description and Recognition (1)

   1. Hand Drawn Symbol Recognition by Blurred Shape Model Descriptor and a Multiclass Classifier

      • Alicia Fornés, Sergio Escalera, Josep Lladós, Gemma Sánchez, Joan Mas

      Pages 29-39

   2. On the Combination of Ridgelets Descriptors for Symbol Recognition

      • O. Ramos Terrades, E. Valveny, S. Tabbone

      Pages 40-50

4. Symbol and Shape Description and Recognition (2)

   1. Old Handwritten Musical Symbol Classification by a Dynamic Time Warping Based Method

      • Alicia Fornés, Josep Lladós, Gemma Sánchez

      Pages 51-60

   2. On the Joint Use of a Structural Signature and a Galois Lattice Classifier for Symbol Recognition

      • Mickaël Coustaty, Stéphanie Guillas, Muriel Visani, Karell Bertet, Jean-Marc Ogier

      Pages 61-70

   3. A Discriminative Representation for Symbolic Image Similarity Evaluation

      • Guanglin Huang, Wan Zhang, Liu Wenyin

      Pages 71-79

   4. ARG Based on Arcs and Segments to Improve the Symbol Recognition by Genetic Algorithm

      • J. -P. Salmon, L. Wendling

      Pages 80-90

5. Information Retrieval, Indexing and Spotting

   1. Spotting Symbols in Line Drawing Images Using Graph Representations

      • Rashid Jalal Qureshi, Jean-Yves Ramel, Didier Barret, Hubert Cardot

      Pages 91-103

   2. A Region-Based Hashing Approach for Symbol Spotting in Technical Documents

      • Marçal Rusiñol, Josep Lladós

      Pages 104-113

   3. A System for Historic Document Image Indexing and Retrieval Based on XML Database Conforming to MPEG7 Standard

      • Wafa Maghrebi, Anis Borchani, Mohamed A. Khabou, Adel M. Alimi

      Pages 114-125

   4. An Ancient Graphic Documents Indexing Method Based on Spatial Similarity

      • Ali Karray, Jean-Marc Ogier, Slim Kanoun, Mohamed Adel Alimi

      Pages 126-134

   5. A Fast CBIR System of Old Ornamental Letter

      • Mathieu Delalandre, Jean-Marc Ogier, Josep Lladós

      Pages 135-144

6. Sketching Interfaces and On-Line Processing

   1. Developing Domain-Specific Gesture Recognizers for Smart Diagram Environments

      • Adrian Bickerstaffe, Aidan Lane, Bernd Meyer, Kim Marriott

      Pages 145-156

   2. Using Error Recovery Techniques to Improve Sketch Recognition Accuracy

      • Gennaro Costagliola, Vincenzo Deufemia, Michele Risi

      Pages 157-168

   3. Representing and Parsing Sketched Symbols Using Adjacency Grammars and a Grid-Directed Parser

      • Joan Mas, Joaquim A. Jorge, Gemma Sanchez, Josep Llados

      Pages 169-180

   4. Categorization of Digital Ink Elements Using Spectral Features

      • José A. Rodríguez, Gemma Sánchez, Josep Lladós

      Pages 181-190

7. Feature and Primitive Analysis and Segmentation

   1. A Figure Image Processing System

      • Linlin Li, Shijian Lu, Chew Lim Tan

      Pages 191-201

This book contains refereed and improved papers presented at the Seventh IAPR Workshop on Graphics Recognition (GREC2007), held in Curitiba, Brazil, September 20-21, 2007. The GREC workshops provide an excellent opportunity for researchers and practitioners at all levels of experience to meet colleagues and to share new ideas and knowledge about graphics recognition methods. Graphics recognition is a subfield of document image analysis that deals with graphical entities in engineering drawings, sketches, maps, architectural plans, musical scores, mathematical notation, tables, diagrams, etc. GREC2007 continued the tradition of past workshops held at Penn State University, USA (GREC 1995, LNCS Volume 1072, Springer, 1996); Nancy, France (GREC 1997, LNCS Volume 1389, Springer, 1998); Jaipur, India (GREC 1999, LNCS Volume 1941, Springer, 2000); Kingston, Canada (GREC 2001, LNCS Volume 2390, Springer, 2002); Barcelona, Spain (GREC 2003, LNCS Volume 3088, Springer, 2004); and Hong Kong, China (GREC 2005, LNCS Volume 3926, Springer, 2006). GREC2007 was also the first edition of a GREC workshop held at the same location of the ICDAR conference and it facilitated people to attend to both events. The program of GREC2007 was organized in a single-track 2-day workshop. It comprised several sessions dedicated to specific topics.

• algorithms
• biometric recognition
• cartographic map analysis
• character recognition
• classification
• content analysis
• diagram analysis
• document analysis
• featu
• feature extraction
• graphics analysis
• graphics recognition
• performance evaluation
• shape detection
• symbol recognition

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