mlsanityData to 14 Oct 2026

FERT: Real-Time Facial Expression Recognition with Short-Range FMCW Radar

arXiv 2411.11619 ↗First posted 18 Nov 2024cs.CV cs.LG eess.SPcited by 0

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Abstract (arXiv)

This study proposes a novel approach for real-time facial expression recognition utilizing short-range Frequency-Modulated Continuous-Wave (FMCW) radar equipped with one transmit (Tx), and three receive (Rx) antennas. The system leverages four distinct modalities simultaneously: Range-Doppler images (RDIs), micro range-Doppler Images (micro-RDIs), range azimuth images (RAIs), and range elevation images (REIs). Our innovative architecture integrates feature extractor blocks, intermediate feature extractor blocks, and a ResNet block to accurately classify facial expressions into smile, anger, neutral, and no-face classes. Our model achieves an average classification accuracy of 98.91% on the dataset collected using a 60 GHz short-range FMCW radar. The proposed solution operates in real-time in a person-independent manner, which shows the potential use of low-cost FMCW radars for effective facial expression recognition in various applications.

Key facts. No citing papers in the map yet (data through 14 Oct 2026). Builds on 9 of its 29 references that are in the map. First posted on arXiv 18 Nov 2024.

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9 of 29 references.

References · 9

  1. 2015Deep Residual Learning for Image Recognitioncited by 52,096
  2. 2018Deep Facial Expression Recognition: A Surveycited by 270
  3. 2022Vision Transformer with Attentive Pooling for Robust Facial Expression Recognitioncited by 35
  4. 2023MCROOD: Multi-Class Radar Out-Of-Distribution Detectioncited by 9
  5. 2020Facial Expression Recognition Under Partial Occlusion from Virtual Reality Headsets based on Transfer Learningcited by 7
  6. 2023Reconstruction-based Out-of-Distribution Detection for Short-Range FMCW Radarcited by 6
  7. 2023HAROOD: Human Activity Classification and Out-of-Distribution Detection with Short-Range FMCW Radarcited by 4
  8. 2024FOOD: Facial Authentication and Out-of-Distribution Detection with Short-Range FMCW Radarcited by 2
  9. 2018Unsupervised Deep Representations for Learning Audience Facial Behaviorscited by 1

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