Results 71 to 80 of about 262,492 (221)

Simulation of Tennis Match Scene Classification Algorithm Based on Adaptive Gaussian Mixture Model Parameter Estimation

open access: yesComplexity, 2021
This paper presents an in-depth analysis of tennis match scene classification using an adaptive Gaussian mixture model parameter estimation simulation algorithm. We divided the main components of semantic analysis into type of motion, distance of motion,
Yuwei Wang, Mofei Wen
doaj   +1 more source

The 'ghosts' of lawn tennis past: Exploring the forgotten lives of early working-class coaching-professionals [PDF]

open access: yes, 2016
This article examines the lives of the late-nineteenth and early-twentieth-century lawn tennis coaching-professionals, notably Tom Burke, Harry Cowdrey, Charles Haggett and George Kerr.

core   +1 more source

A Conversation With David Bellhouse

open access: yesInternational Statistical Review, EarlyView.
Summary David Richard Bellhouse was born in Winnipeg, Manitoba, on 19 July 1948. He studied actuarial mathematics and statistics at the University of Manitoba (BA, 1970; MA, 1972) and completed his PhD at the University of Waterloo, Ontario, in 1975. After being an Assistant Professor for 1 year at his alma mater, he joined the University of Western ...
Christian Genest
wiley   +1 more source

Temperature and Coefficient of Restitution of a Table Tennis Ball

open access: yesInternational Scholastic Journal of Science, 2016
The coefficient of restitution (COR) of a bouncing table tennis ball was measured at varying ball temperatures with a Motion Detector. It was found that there is a negative linear relationship between the COR and the temperature of the table tennis ...
Yoonyoung Chang
doaj  

How a General-Purpose Commonsense Ontology can Improve Performance of Learning-Based Image Retrieval

open access: yes, 2017
The knowledge representation community has built general-purpose ontologies which contain large amounts of commonsense knowledge over relevant aspects of the world, including useful visual information, e.g.: "a ball is used by a football player", "a ...
Baier, Jorge A.   +3 more
core   +1 more source

Temperature and Productivity in Soccer

open access: yesKyklos, EarlyView.
ABSTRACT This paper examines the impact of temperature on soccer team productivity using match‐level data from 10 countries across three continents. The results show that temperature affects multiple performance metrics, often in non‐linear ways. Specifically, attacking efficiency is enhanced in warmer conditions, leading to increased goal productivity
Vojtěch Mišák
wiley   +1 more source

Tennis Playmate Ball Machine [PDF]

open access: yes, 2018
Bakalářská práce se zabývá konstrukčním návrhem mechanického nahrávače míčku pro tenis. V úvodu práce je proveden přehled dostupných zařízení na trhu. Konstrukční návrh vychází z dostupných nahrávačů na trhu.
Tomášek, Filip
core  

Modern tennis rackets, balls, and surfaces [PDF]

open access: yesBritish Journal of Sports Medicine, 2006
Modern rackets have facilitated a change in playing style from one of technique to one characterised by power and spin. The combination of the increased stiffness of modern rackets and the tendency for tennis balls to have become harder has led to an increased shock transmission from the racket to the player, which is probably a major contributor to ...
openaire   +2 more sources

Do Athletes Cook? A Systematic Scoping Review of Culinary Nutrition in Athletes

open access: yesNutrition Bulletin, EarlyView.
ABSTRACT Applied sports nutrition is fundamental to athlete health, performance and training adaptation; hence, culinary skills are paramount to meet physiological demands. With the decline in domestic cooking, culinary nutrition has emerged as a priority for research and education.
Rachael Camp   +4 more
wiley   +1 more source

Paddle Angle and Ball Spin in Table Tennis

open access: yesInternational Scholastic Journal of Science, 2017
The relationship between the impact angle of a table tennis ball with respect to the paddle and angular velocity of the ball leaving the paddle was investigated.
Binvant Broca   +3 more
doaj  

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