Design of a Low-Cost Acquisition System to Reconstruct Images through Electrical Resistance Tomography


  • Bruno Furtado de Moura Federal University of Espirito Santo
  • Marcio Ferreira Martins Universidade Federal do Espírito Santo
  • Francisco Sepulveda Palma
  • Wellington Betencurte da Silva
  • Jorge Acevedo Cabello
  • Rogerio Ramos


Image analysis, Computerized Tomography, low cost acquisition system


Electrical Resistance Tomography (ERT) is a technique employed in industrial environment that reconstructs images formed by the impedance  distributions inside a vessel.
The method relies on measures from a data acquisition system, responsible to inject a current inside the vessel and measures the voltage on the boundaries, and sequentially an inverse problem
solution. This paper introduces a low-cost design of an acquisition system that can obtain 30 images/s, utilizing simple methods to provide a good accessibility to researchers aimed in investigating
flow patterns of multiphase flow applications.


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