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Lightweight Remote Sensing Scene Classification on Edge Devices via Knowledge Distillation and Early-exit

  • Harbin Institute of Technology Shenzhen

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

As the development of lightweight deep learning algorithms, various deep neural network (DNN) models have been proposed for the remote sensing scene classification (RSSC) application. However, it is still challenging for these RSSC models to achieve optimal performance among model accuracy, inference latency, and energy consumption on resource-constrained edge devices. In this paper, we propose a lightweight RSSC framework, which includes a distilled global filter network (GFNet) model and an early-exit mechanism designed for edge devices to achieve state-of-the-art performance. Specifically, we first apply frequency domain distillation on the GFNet model to reduce model size. Then we design a dynamic early-exit model tailored for DNN models on edge devices to further improve model inference efficiency. We evaluate our E3C model on three edge devices across four datasets. Extensive experimental results show that it achieves an average of 1.3x speedup on model inference and over 40% improvement on energy efficiency, while maintaining high classification accuracy.

Original languageEnglish
Title of host publicationMM 2025 - Proceedings of the 33rd ACM International Conference on Multimedia, Co-Located with MM 2025
PublisherAssociation for Computing Machinery, Inc
Pages11862-11870
Number of pages9
ISBN (Electronic)9798400720352
DOIs
StatePublished - 27 Oct 2025
Externally publishedYes
Event33rd ACM International Conference on Multimedia, MM 2025 - Dublin, Ireland
Duration: 27 Oct 202531 Oct 2025

Publication series

NameMM 2025 - Proceedings of the 33rd ACM International Conference on Multimedia, Co-Located with MM 2025

Conference

Conference33rd ACM International Conference on Multimedia, MM 2025
Country/TerritoryIreland
CityDublin
Period27/10/2531/10/25

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 7 - Affordable and Clean Energy
    SDG 7 Affordable and Clean Energy

Keywords

  • dnn inference
  • early-exit
  • edge computing
  • knowledge distillation
  • remote sensing scene classification

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