Using wrist-worn activity recognition for basketball game analysis

A Hölzemann, K Van Laerhoven - … of the 5th international Workshop on …, 2018 - dl.acm.org
Game play in the sport of basketball tends to combine highly dynamic phases in which the
teams strategically move across the field, with specific actions made by individual players …

Performance analysis in ski jumping with a differential global navigation satellite system and video-based pose estimation

O Elfmark, G Ettema, D Groos, EAF Ihlen, R Velta… - Sensors, 2021 - mdpi.com
This study investigated the explanatory power of a sensor fusion of two complementary
methods to explain performance and its underlying mechanisms in ski jumping. A differential …

Kinematic determination of the aerial phase in ski jumping

O Elfmark, G Ettema, P Jølstad, M Gilgien - Sensors, 2022 - mdpi.com
The purpose of this study was to find a generic method to determine the aerial phase of ski
jumping in which the athlete is in a steady gliding condition, commonly known as the 'stable …

TennisEye: tennis ball speed estimation using a racket-mounted motion sensor

H Zhao, S Wang, G Zhou, W Jung - Proceedings of the 18th international …, 2019 - dl.acm.org
Aggressive tennis shots with high ball speed are the key factor in winning a tennis match.
Today's tennis players are increasingly focused on improving ball speed. As a result, in …

Investigation of individual strategies in the aerial phase in ski jumping

PAH Jølstad, M Gilgien, O Elfmark - Scientific Reports, 2023 - nature.com
The purpose of this investigation was to examine the performance strategy of three ski
jumpers during the steady glide phase and explain how different strategical solutions can …

Sensor-based detection and classification of soccer goalkeeper training exercises

J Haladjian, D Schlabbers, S Taheri, M Tharr… - ACM transactions on …, 2020 - dl.acm.org
Many goalkeeper trainees cannot afford a personal human coach. Hence, they could benefit
from a virtual coach that provides personalized feedback about the execution of their training …

Experimental validation of real-time ski jumping tracking system based on wearable sensors

J Link, S Guillaume, BM Eskofier - Sensors, 2021 - mdpi.com
For sports scientists and coaches, its crucial to have reliable tracking systems to improve
athletes. Therefore, this study aimed to examine the validity of a wearable real-time tracking …

Ski position during the flight and landing preparation phases in ski jumping detected with inertial sensors

V Bessone, J Petrat, A Schwirtz - Sensors, 2019 - mdpi.com
Ski movement plays an important role during landing preparation, as well as in the whole ski
jumping performance. Good landing preparation timing and correct ski position increase the …

Progress in Ski Jumping Technology Based on Biomechanical Sport Research Methods

Y Li, L Liu, L Xing, J Chai, D Sun - Applied Sciences, 2024 - mdpi.com
(1) Background: Previous studies have compared research into ski jumping in different
motor processes, but there is a lack of comparative analysis of the biomechanical research …

Ski jumping trajectory reconstruction using wearable sensors via extended rauch-tung-striebel smoother with state constraints

X Fang, B Grüter, P Piprek, V Bessone, J Petrat… - Sensors, 2020 - mdpi.com
To satisfy an increasing demand to reconstruct an athlete's motion for performance analysis,
this paper proposes a new method for reconstructing the position and velocity in the context …