Results 21 to 30 of about 262,492 (221)

Automatic annotation of tennis games: An integration of audio, vision, and learning [PDF]

open access: yes, 1999
Fully automatic annotation of tennis game using broadcast video is a task with a great potential but with enormous challenges. In this paper we describe our approach to this task, which integrates computer vision, machine listening, and machine learning.
Fei Yan   +27 more
core   +1 more source

Acute and delayed effects of strength training in ball velocity and accuracy in young competition tennis players

open access: yesPLoS ONE, 2021
This study aimed to investigate the acute and delayed effects of medicine ball throws and resistance training in ball velocity and accuracy of serve, forehand and backhand in young competition tennis players.
Manuel Terraza-Rebollo, Ernest Baiget
doaj   +3 more sources

Table Tennis Ball Launcher

open access: yesKinestetik : Jurnal Ilmiah Pendidikan Jasmani, 2022
The learning of the table tennis course is a practical course where the characteristics are unique so that mastery of basic techniques is highly dependent on doing more repetitions. The correct movement will appear along with the automation of the motion. The purpose of the research and development of this table tennis throwing device is to (1) develop
M Haris Satria   +3 more
openaire   +2 more sources

Development of a Vision-Based Unmanned Ground Vehicle for Mapping and Tennis Ball Collection: A Fuzzy Logic Approach

open access: yesFuture Internet, 2023
The application of robotic systems is widespread in all fields of life and sport. Tennis ball collection robots have recently become popular because of their potential for saving time and energy and increasing the efficiency of training sessions. In this
Masoud Latifinavid, Aydin Azizi
doaj   +1 more source

Effects of Lawn Tennis Association mini tennis as task constraints on children’s match-play characteristics [PDF]

open access: yes, 2016
The Lawn Tennis Association’s (LTA) Mini Tennis (MT) is a modified version of tennis consisting of progressive stages, however, there have been few attempts to evaluate how MT might shape performance behaviours.
Davids, Keith   +2 more
core   +1 more source

Reproducibility and Validity of a Stroke Effectiveness Test in Table Tennis Based on the Temporal Game Structure

open access: yesFrontiers in Psychology, 2019
Purpose: This study aimed to develop a stroke effectiveness test in table tennis based on the temporal game structure to assess the ball speed and ball placement of the players, with a purpose to analyze its reproducibility and validity.Methods: Nineteen
Taisa Belli   +10 more
doaj   +1 more source

Visual Strategies for Eye and Head Movements During Table Tennis Rallies

open access: yesFrontiers in Sports and Active Living, 2022
The purpose of this study was to clarify the properties of visual strategies for gaze, eye, and head movements in skilled table tennis players during rallies. Collegiate expert and semi-expert table tennis players conducted forehand rallies at a constant
Ryosuke Shinkai   +4 more
doaj   +1 more source

An automatic visual analysis system for tennis [PDF]

open access: yes, 2013
This article presents a novel video analysis system for coaching tennis players of all levels, which uses computer vision algorithms to automatically edit and index tennis videos into meaningful annotations.
Chin JP   +9 more
core   +1 more source

Ball Motion Control in the Table Tennis Robot System Using Time-Series Deep Reinforcement Learning

open access: yesIEEE Access, 2021
One of the biggest challenges hindering a table tennis robot to play as well as a professional player is the ball’s accurate motion control, which depends on various factors such as the incoming ball’s position, linear, spin velocity and so
Luo Yang   +3 more
doaj   +1 more source

A preliminary investigation regarding the effect of tennis grunting: does white noise during a tennis shot have a negative impact on shot perception? [PDF]

open access: yesPLoS ONE, 2010
BACKGROUND: There is a growing chorus of critics who complain that many of the top-ranked professional tennis players who grunt when they hit the ball gain an unfair advantage because the sound of the grunt interferes with their opponent's game. However,
Scott Sinnett, Alan Kingstone
doaj   +1 more source

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