An Intelligent Instrument Reader: Using Computer Vision and Machine Learning to Automate Meter Reading

Robert R. Sowah, Abdul R. Ofoli, Eugene Mensah-Ananoo, Godfrey A. Mills, Koudjo M.M. Koumadi

Research output: Contribution to journalArticlepeer-review

9 Citations (Scopus)

Abstract

A novel algorithm using computer vision and machine learning techniques has been developed in this research and applied to automate the reading of analog meters. This approach does not rely on any prior information about the meter being read or any human intervention during the process. High-level features of the meter, including the graduation values and angles, are extracted using a cascade of image contour filters with a series of digit classifiers. The features are refined and used to train regression models that return the reading of the analog meter automatically.

Original languageEnglish
Article number9405071
Pages (from-to)45-56
Number of pages12
JournalIEEE Industry Applications Magazine
Volume27
Issue number4
DOIs
Publication statusPublished - 1 Jul 2021

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