A Retargetable Framework for Interactive Diagram Recognition

  • Authors:
  • Edward H. Lank

  • Affiliations:
  • -

  • Venue:
  • ICDAR '03 Proceedings of the Seventh International Conference on Document Analysis and Recognition - Volume 1
  • Year:
  • 2003

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Abstract

The design of new diagram recognition systemsremains a challenging problem. Ideally, recognitionsystems should accept real-world input, perform robustly,fail gracefully, and be implemented in a timely manner.In reality, the intricacy involved in implementingrecognition systems for diagram notations makes this achallenging open problem. One solution to thesechallenges is the design of middleware to speed thedevelopment of robust applications. Middleware takesthe form of a framework or toolkit for the creation ofapplications. This paper describes a retargetableframework which can be used to speed the development ofrobust interactive sketch recognition systems. The systemincludes a drawing surface to capture interactivelycreated drawings, a set of generic segmentation routines,a character recognizer, and a common interface forintegrating domain-specific components. The frameworkhas been used to construct systems for the recognition ofUML, math, and molecular diagrams. Work is on-goingon the design of additional generic recognizers of logicalstructure and spatial layout of diagrams.