Optimizing IoT Video Data: Dimensionality Reduction for Efficient Deep Learning on Edge Computing

David Ortiz-Perez, Pablo Ruiz-Ponce, David Mulero-Pérez, Manuel Benavent-Lledo, Javier Rodriguez-Juan, Hugo Hernandez-Lopez, Anatoli Iarovikov, Srdjan Krco, Daliborka Nedic, Dejan Vukobratovic and Jose Garcia-Rodriguez ()
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David Ortiz-Perez: Department of Computer Science and Technology, University of Alicante, 03690 Alicante, Spain
Pablo Ruiz-Ponce: Department of Computer Science and Technology, University of Alicante, 03690 Alicante, Spain
David Mulero-Pérez: Department of Computer Science and Technology, University of Alicante, 03690 Alicante, Spain
Manuel Benavent-Lledo: Department of Computer Science and Technology, University of Alicante, 03690 Alicante, Spain
Javier Rodriguez-Juan: Department of Computer Science and Technology, University of Alicante, 03690 Alicante, Spain
Hugo Hernandez-Lopez: Department of Computer Science and Technology, University of Alicante, 03690 Alicante, Spain
Anatoli Iarovikov: Department of Computer Science and Technology, University of Alicante, 03690 Alicante, Spain
Srdjan Krco: DunavNet DOO, Bulevar Oslobođenja 133/2, 21000 Novi Sad, Serbia
Daliborka Nedic: DunavNet DOO, Bulevar Oslobođenja 133/2, 21000 Novi Sad, Serbia
Dejan Vukobratovic: Faculty of Technical Sciences, University of Novi Sad, Trg Dositeja Obradovića 6, 21000 Novi Sad, Serbia
Jose Garcia-Rodriguez: Department of Computer Science and Technology, University of Alicante, 03690 Alicante, Spain

Future Internet, 2025, vol. 17, issue 2, 1-15

Abstract: The rapid loss of biodiversity significantly impacts birds’ environments and behaviors, highlighting the importance of analyzing bird behavior for ecological insights. With the growing adoption of Machine Learning (ML) algorithms in the Internet of Things (IoT) domain, edge computing has become essential to ensure data privacy and enable real-time predictions by processing high-dimensional data, such as video streams, efficiently. This paper introduces a set of dimensionality reduction techniques tailored for video sequences based on cutting-edge methods for this data representation. These methods drastically compress video data, reducing bandwidth and storage requirements while enabling the creation of compact ML models with faster inference speeds. Comprehensive experiments on bird behavior classification in rural environments demonstrate the effectiveness of the proposed techniques. The experiments incorporate state-of-the-art deep learning techniques, including pre-trained video vision models, Autoencoders, and single-frame feature extraction. These methods demonstrated superior performance to the baseline, achieving up to a 6000-fold reduction in data size while reaching a classification accuracy of 60.7% on the Visual WetlandBirds Dataset and obtaining state-of-the-art performance on this dataset. These findings underline the potential of using dimensionality reduction to enhance the scalability and efficiency of bird behavior analysis.

Keywords: deep learning; spatio-temporal dimensionality reduction; bird behavior classification; edge computing; video processing (search for similar items in EconPapers)
JEL-codes: O3 (search for similar items in EconPapers)
Date: 2025
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