Scientific journal paper Q1
Evaluating machine learning-based elephant recognition in complex African landscapes using drone imagery
Chris McCarthy (McCarthy, C.); Lumbani Benedicto Banda (Banda, L. B.); Daud Jones Kachamba (Kachamba, D. J.); Zuza Emmanuel Junior (Junior, Z. E.); Cornelius Chisambi (Chisambi, C.); Ndaona Kumanga (Kumanga, N.); Luciano Lawrence (Lawrence, L.); Troy Sternberg (Sternberg, T.); et al.
Journal Title
Environmental Research Communications
Year (definitive publication)
2024
Language
English
Country
United Kingdom
More Information
Web of Science®

Times Cited: 2

(Last checked: 2025-12-03 10:10)

View record in Web of Science®


: 0.7
Scopus

Times Cited: 2

(Last checked: 2025-11-26 18:53)

View record in Scopus


: 0.6
Google Scholar

This publication is not indexed in Google Scholar

This publication is not indexed in Overton

Abstract
This paper evaluates a machine learning-based approach for identifying and analyzing African bush elephants within complex terrains using high-resolution drone imagery. With human-wildlife conflict posing a significant threat to elephants worldwide, accurate and efficient monitoring techniques are crucial, yet challenging in diverse landscapes. Our study utilizes approximately 3,180 drone-captured images from Kasungu National Park in Malawi, encompassing various terrains including dense forests and open bushlands. These images were systematically preprocessed and analyzed using three distinct ML algorithms: Faster R-CNN, RetinaNet, and Mask R-CNN, each fine-tuned for identification of elephants across different age groups. Comparative performance metrics revealed nuanced strengths and limitations: Faster R-CNN showed notable proficiency in detecting adult elephants, particularly in dense foliage. Mask R-CNN, while less precise overall, demonstrated increased effectiveness in identifying juveniles and infants. RetinaNet, optimized for larger images, showed particular adeptness with adult elephants but less so with younger ones. Despite these promising results, overall recognition rates were lower than ideal, highlighting the complexities of wildlife identification in natural settings. This study not only facilitates the identification and counting of individual elephants but also provides insights into the challenges of applying ML in complex ecological contexts. The derived insights can assist conservationists and park officials in making informed decisions related to wildlife protection and habitat preservation. Furthermore, the study offers a valuable blueprint for integrating AI and machine learning technology into wildlife conservation strategies, presenting a scalable model with potential applications for different species and geographic regions, while acknowledging the need for further refinement to enhance accuracy and reliability in diverse ecological settings.
Acknowledgements
--
Keywords
African elephants,Artificial intelligence,AWS,Drone imagery,Machine learning,Malawi,Wildlife identification
  • Earth and related Environmental Sciences - Natural Sciences
  • Animal and Dairy Science - Agriculture Sciences
  • Other Agricultural Sciences - Agriculture Sciences

With the objective to increase the research activity directed towards the achievement of the United Nations 2030 Sustainable Development Goals, the possibility of associating scientific publications with the Sustainable Development Goals is now available in Ciência_Iscte. These are the Sustainable Development Goals identified by the author(s) for this publication. For more detailed information on the Sustainable Development Goals, click here.