Tennis ball detection based on YOLOv5 with tensorrt [PDF]
Tennis, as a popular competitive sport, has complex rules and requires high accuracy and fairness in penalization. To improve the accuracy and speed of the penalty, the study proposes a hawk eye detection method for tennis games based on YOLOv5 and ...
Xiulei Zhang, Bin Li
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Enhancing Tennis Practice: Sensor Fusion and Pose Estimation with a Smart Tennis Ball [PDF]
This article demonstrates the integration of sensor fusion for pose estimation and data collection in tennis balls, aiming to create a smaller, less intrusive form factor for use in progressive learning during tennis practice.
Yu Kit Foo, Xi Li, Rami Ghannam
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The difference of dynamic elasticity characteristics and stroke effect between two types of new material seamed plastic table tennis ball [PDF]
The diameter and weight of different brands of table tennis ball will affect the ball’s elasticity and stroke. The purpose of this study is to analyze the difference of the dynamic elasticity and stroke effect between the two brands of new plastic ball ...
Jiajie Tian, Zerong Wang, Yi Xiao
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The Dependence of Repulsion Tennis Ball from the Air Pressure in it [PDF]
The aim of this study is to determine the elastic (refl ective) properties of the tennis ball depending on the air pressure in it. The standard tennis ball was released on a fl at, solid surface from a height of nine meters, three times.
Dusko Bjelica +2 more
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Does an eye-hand coordination test have added value as part of talent identification in table tennis? A validity and reproducibility study. [PDF]
This study investigated the added value, i.e. discriminative and concurrent validity and reproducibility, of an eye-hand coordination test relevant to table tennis as part of talent identification.
Irene R Faber +2 more
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Coefficient of Restitution of Wet Tennis Balls [PDF]
The coefficient of restitution of a damp tennis ball is of interest to tennis players. Using a spray bottle, water was added to a tennis ball and the mass of water on the wet ball was determined. The ball was then dropped from a fixed height of 0.86 m.
Eugene Jang, Tony Kim
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TennisSense: a platform for extracting semantic information from multi-camera tennis data [PDF]
In this paper, we introduce TennisSense, a technology platform for the digital capture, analysis and retrieval of tennis training and matches. Our algorithms for extracting useful metadata from the overhead court camera are described and evaluated.
Connaghan, Damien +3 more
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Developing an Intelligent Table Tennis Umpiring System: Identifying the ball from the scene [PDF]
This paper reports further development of an intelligent table tennis umpiring system, of which the idea and plan was previously published at this conference in 2007. Briefly, table tennis is a fast sport.
Wong, Patrick K. C.
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In how many ways can \(n\) numbers be chosen from the set \(\{1,2,\dots, ns\}\) so that the \(k\)th number chosen does not exceed \(ks\)? And what is the total sum, over all these choices, of the numbers chosen? These problems were solved for \(s=2\) in [\textit{C. L. Mallows} and \textit{L. Shapiro}, Balls on the lawn, J. Integer Seq.
MERLINI, DONATELLA +2 more
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Background: The purpose of this study was to explore the gaze behavior of tennis players with different skill levels when receiving serves through eye movement information.
Yen-Nan Lin, Jun Wang, Yu Su, I-Lin Wang
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