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Andrzej Romanowski1, Zbigniew Chaniecki1, Aleksandra Koralczyk1

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This study introduces an interactive timeline for analyzing electrical capacitance tomography (ECT) data, improving accuracy and efficiency in industrial process monitoring. The novel approach enhances spatio-temporal data visualization for domain experts.

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Area of Science:

  • Engineering
  • Computer Science
  • Process Control

Background:

  • Electrical Capacitance Tomography (ECT) is vital for non-invasive industrial process monitoring.
  • Analyzing complex ECT data, especially spatio-temporal relationships, presents significant challenges.
  • Existing methods often lack intuitive ways to integrate spatial and temporal data during analysis.

Purpose of the Study:

  • To develop and evaluate a novel methodology for analyzing ECT measurement data.
  • To integrate spatial and temporal data relationships into the analysis workflow.
  • To enhance user interaction and data visualization for ECT analysis.

Main Methods:

  • Proposed an interactive timeline concept for dynamic data visualization.
  • Developed a prototype system for task-based user studies with domain experts.
  • Evaluated the system using gravitational silo flow measurement datasets.
  • Integrated user feedback and performance metrics (accuracy, completion time, NASA-TLX).

Main Results:

  • The interactive timeline significantly improved accuracy and reduced data analysis completion times.
  • Users reported decreased physical load and improved efficiency using the prototype system.
  • The system facilitates natural switching between spatial and temporal domains during analysis.

Conclusions:

  • The proposed interactive spatio-temporal approach enhances ECT data analysis effectiveness.
  • The methodology offers a more intuitive and efficient way to interpret complex process data.
  • Future work should explore further advancements in interactive visualization for ECT.