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Teachers' Teaching Ability Promotion Strategies Based on Lightweight Deep Learning Combined with Target Detection

Yuqian Jin1

  • 1Department of Faculty Affairs & Faculty Development, Xi'an Technological University, Xi'an, Shaanxi 710072, China.

Computational Intelligence and Neuroscience
|July 22, 2022
PubMed
Summary

This study optimizes the You Only Look Once (YOLO) network for student expression detection in classrooms, improving teaching quality. The enhanced model achieves higher accuracy than existing methods, offering insights for deep learning applications in education.

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Area of Science:

  • Educational Technology
  • Computer Vision
  • Artificial Intelligence

Background:

  • Standardized classrooms enable video data collection for analyzing student engagement.
  • Unstructured video big data presents opportunities for improving teaching quality.
  • Teacher self-assessment reveals dissatisfaction with current teaching and guidance abilities.

Purpose of the Study:

  • Investigate current teaching abilities in higher vocational colleges.
  • Optimize the You Only Look Once (YOLO) network for student expression detection.
  • Enhance the application of deep learning in improving educational quality.

Main Methods:

  • Analysis of teacher self-reported teaching abilities.
  • Exploration and optimization of the YOLO network architecture.
  • Implementation and testing of the optimized YOLO model for student expression detection in real classroom scenarios.

Main Results:

  • 20% and 38% of teachers are dissatisfied with their classroom teaching and practical guidance.
  • 38% of teachers desire improvement in teaching effectiveness.
  • The proposed YOLO model outperforms Faster R-CNN, Mask R-CNN, YOLOv3, and YOLOv3 Tiny in student expression detection accuracy by significant margins (4-8%).

Conclusions:

  • Deep learning, specifically optimized YOLO networks, can effectively detect student expressions.
  • The developed model offers a novel approach to applying AI for enhancing teacher effectiveness and educational outcomes.
  • Addressing teacher skill gaps and leveraging technology are crucial for improving higher education quality.