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A U-net convolutional neural network deep learning model application for identification of energy loss in infrared thermographic images

Author

Listed:
  • Gertsvolf, David
  • Horvat, Miljana
  • Aslam, Danesh
  • Khademi, April
  • Berardi, Umberto

Abstract

The possibility of obtaining large data set of infrared images during building and urban envelope surveys require the development of fast and effective ways to process their content. This study presents a novel U-NET convolution neural network (CNN) deep learning (DL) model for the identification of envelope deficiencies on a data set of infrared (IR) thermographic images of building envelopes. A data set of images acquired with an unmanned aerial vehicle (UAV) were used with supplementary segmentation masks created for appropriate U-NET modelling application. This data preparation process is presented followed by an in-depth review of the CNN architecture used for the segmentation process. The Python3 code developed for this study is simplified for easier application by non-data-science researchers. The results of this research show high accuracy. However, large data set are needed to better train the CNN-DL model.

Suggested Citation

  • Gertsvolf, David & Horvat, Miljana & Aslam, Danesh & Khademi, April & Berardi, Umberto, 2024. "A U-net convolutional neural network deep learning model application for identification of energy loss in infrared thermographic images," Applied Energy, Elsevier, vol. 360(C).
    • Handle: RePEc:eee:appene:v:360:y:2024:i:c:s0306261924000795
    DOI: 10.1016/j.apenergy.2024.122696
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