A Real-Time, Vision-Based System for Badminton Smash Speed Estimation on Mobile Devices
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arXiv
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| Format: | Preprint |
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2025
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| _version_ | 1866912573897572352 |
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| author | Huang, Diwen |
| author_facet | Huang, Diwen |
| contents | Performance metrics in sports, such as shot speed and angle, provide crucial feedback for athlete development. However, the technology to capture these metrics has historically been expensive, complex, and largely inaccessible to amateur and recreational players. This paper addresses this gap in the context of badminton, one of the world's most popular sports, by introducing a novel, cost-effective, and user-friendly system for measuring smash speed using ubiquitous smartphone technology. Our approach leverages a custom-trained YOLOv5 model for shuttlecock detection, combined with a Kalman filter for robust trajectory tracking. By implementing a video-based kinematic speed estimation method with spatiotemporal scaling, the system automatically calculates the shuttlecock's velocity from a standard video recording. The entire process is packaged into an intuitive mobile application, democratizing access to high-level performance analytics and empowering players at all levels to analyze and improve their game. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2509_05334 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | A Real-Time, Vision-Based System for Badminton Smash Speed Estimation on Mobile Devices Huang, Diwen Computer Vision and Pattern Recognition Multimedia H.5.1; I.2.10 Performance metrics in sports, such as shot speed and angle, provide crucial feedback for athlete development. However, the technology to capture these metrics has historically been expensive, complex, and largely inaccessible to amateur and recreational players. This paper addresses this gap in the context of badminton, one of the world's most popular sports, by introducing a novel, cost-effective, and user-friendly system for measuring smash speed using ubiquitous smartphone technology. Our approach leverages a custom-trained YOLOv5 model for shuttlecock detection, combined with a Kalman filter for robust trajectory tracking. By implementing a video-based kinematic speed estimation method with spatiotemporal scaling, the system automatically calculates the shuttlecock's velocity from a standard video recording. The entire process is packaged into an intuitive mobile application, democratizing access to high-level performance analytics and empowering players at all levels to analyze and improve their game. |
| title | A Real-Time, Vision-Based System for Badminton Smash Speed Estimation on Mobile Devices |
| topic | Computer Vision and Pattern Recognition Multimedia H.5.1; I.2.10 |
| url | https://arxiv.org/abs/2509.05334 |