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Related Concept Videos

Signal Flow Graphs01:18

Signal Flow Graphs

Signal-flow graphs offer a streamlined and intuitive approach to representing control systems, providing an alternative to traditional block diagrams. These graphs use branches to symbolize systems and nodes to represent signals, effectively illustrating the relationships and interactions within the system.
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Attributed programmed graph grammars and their application to schematic diagram interpretation.

H Bunke1

  • 1Lehrstuhl fuer Informatik 5, University of Erlangen, Erlangen, West Germany.

IEEE Transactions on Pattern Analysis and Machine Intelligence
|April 14, 2012
PubMed
Summary
This summary is machine-generated.

This study introduces attributed programmed graph grammars for schematic diagram interpretation. The novel approach uses grammars generatively to extract descriptions from circuit diagrams and flowcharts.

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Area of Science:

  • Computer Science
  • Artificial Intelligence
  • Graph Theory

Background:

  • Syntactic pattern recognition traditionally uses grammars to control parsers.
  • Interpreting schematic diagrams like circuit diagrams and flowcharts presents unique challenges for automated systems.

Purpose of the Study:

  • To introduce attributed programmed graph grammars as a novel tool for schematic diagram interpretation.
  • To propose a generative approach for extracting descriptions from diagrams, differing from traditional parsing methods.

Main Methods:

  • Development of attributed programmed graph grammars.
  • Application of these grammars to the generative interpretation of schematic diagrams.
  • Testing on two distinct diagram types: circuit diagrams and flowcharts.

Main Results:

  • Demonstration of attributed programmed graph grammars' capability in diagram interpretation.
  • Successful extraction of descriptions from both circuit diagrams and flowcharts using the generative grammar approach.

Conclusions:

  • Attributed programmed graph grammars offer a viable generative alternative for syntactic pattern recognition in schematic diagrams.
  • The proposed method effectively extracts descriptive information from complex visual representations like circuit diagrams and flowcharts.