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  4. Vol 11, Issue 2, 2026

Design of a Visual Feedback System with Hitting Timing Recognition for Table Tennis Service Return Training

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DOI: 10.23977/jemm.2026.110202 | Downloads: 1 | Views: 60

Author(s)

Rui Cao 1, Zhentao Xia 1, Xiaomiao Hu 1

Affiliation(s)

1 Tianjin University of Science and Technology, Tianjin, China

Corresponding Author

Rui Cao

ABSTRACT

To address the difficulties in hitting timing judgment, ambiguous conventional verbal feedback, and low training efficiency in table tennis service reception training, this paper develops a hitting timing recognition and real-time visual feedback system. The system adopts a high-speed camera to capture ball motion trajectories, and constructs target detection and hitting recognition algorithms based on OpenCV. It detects the hitting moment through inter-frame coordinate changes of the ball center and divides motion stages by combining the ball's vertical motion trend and height proportion. A real-time visual feedback mechanism is established to provide dynamic visual prompts for hitting timing and automatically record training data. Three comparative experimental groups of no feedback, verbal feedback and visual feedback are set for validation. The experimental results show that the visual feedback mode increases service reception accuracy by 43.1%, which is significantly superior to traditional training modes. The proposed system can effectively enhance beginners' timing judgment ability, reduce cognitive load during training, and provide a reference for the design of intelligent table tennis training systems and the application of computer vision in intelligent sports.

KEYWORDS

Computer Vision; Table Tennis Training; Hitting Timing Recognition; Real-time Visual Feedback; Intelligent Sports

CITE THIS PAPER

Rui Cao, Zhentao Xia, Xiaomiao Hu. Design of a Visual Feedback System with Hitting Timing Recognition for Table Tennis Service Return Training. Journal of Engineering Mechanics and Machinery (2026). Vol. 11, No. 2, 12-21. DOI: http://dx.doi.org/10.23977/jemm.2026.110202.

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