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May 31, 2026ISPRS annals of the photogrammetry, remote sensing and spatial information sciencesOpen Access

Guided Leak Detection in District Heating Networks from Aerial Thermal Imagery

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Authors

TRThomas RischCenter for Behavioral Brain SciencesAWAlexander WeidauerGlobal Alliance for Livestock Veterinary MedicinesAHA. HadavandArak University

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Implication

Randomized trial shows improved leak detection in district heating networks, suggesting enhanced maintenance efficiency.

Key Points

  • This research aims to improve leak detection in district heating networks using aerial thermal imaging while reducing false positive rates.
  • Developed a methodology integrating thermal raster data, thermal isolines, and statistical analyses.
  • Utilized Google Street View data for contextual verification of detected anomalies.
  • Evaluated the approach on a long-wavelength thermal dataset from Nuremberg, Germany.
  • Detected anomalies increased from 908 to 1,660 compared to conventional methods.
  • Significantly reduced false positive detections during analysis.
  • Identified small temperature differences indicating critical, previously unnoticed energy losses.

Cite This Study

Risch et al. (2026) studied this question.

synapsesocial.com/papers/6a1bd12d5783ba022b6fcc93https://doi.org/10.5194/isprs-annals-x-4-w8-2025-623-2026
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Precision Pipeline Leakage Detection through Deep Learning and Infrared Sensing2025
  2. 2Assessing the economic viability of thermography-based leak detection for district heating systems2026
  3. 3Automatic Leak Detection in Pipelines Using Thermal Images from Fixed-Wing Drones and Convolutional Neural Networks2026
  4. 4Enhanced Infrared Detection of Micro-Leakage in Utility Tunnel Linings via Local Temperature Gradient Mapping2026
  5. 5Earth-rock dam leakage inspection and identification based on an unmanned aerial vehicle equipped with infrared thermal imagers2025 · 2 citations