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An Incremental On-line Parsing Algorithm for Recognizing Sketching Diagrams

Joan Mas Romeu 1, * Gemma Sanchez 1 Josep Llados 1 Bart Lamiroy 2
* Corresponding author
2 QGAR - Querying Graphics through Analysis and Recognition
INRIA Lorraine, LORIA - Laboratoire Lorrain de Recherche en Informatique et ses Applications
Abstract : This paper presents a syntactic recognition approach for on-line drawn graphical symbols. The proposed method consists in an incremental on-line predictive parser based on symbol descriptions by an adjacency grammar. The parser analyzes input strokes as they are drawn by the user and is able to get ahead which symbols are likely to be recognized when a partial subshape is drawn in an intermediate state. In addition, the parser takes into account two issues. First, symbol strokes are drawn in any order by the user and second, since it is an on-line framework, the system requires real-time response. The method has been applied to an on-line sketching interface for architectural symbols.
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Submitted on : Tuesday, November 13, 2007 - 11:03:23 AM
Last modification on : Tuesday, May 18, 2021 - 3:32:05 PM
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Joan Mas Romeu, Gemma Sanchez, Josep Llados, Bart Lamiroy. An Incremental On-line Parsing Algorithm for Recognizing Sketching Diagrams. 9th International Conference on Document Analysis and Recognition - ICDAR'07, IAPR, Sep 2007, Curitiba, Brazil. pp.452-456, ⟨10.1109/ICDAR.2007.4378750⟩. ⟨inria-00186621v2⟩



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