Simon Goodwill
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View article: Within and between-day variation and associations of symptoms in Long Covid: Intensive longitudinal study
Within and between-day variation and associations of symptoms in Long Covid: Intensive longitudinal study Open
Background People with Long Covid (Post Covid-19 Condition) describe multiple symptoms which vary between and within individuals over relatively short time intervals. We aimed to describe the real-time associations between different sympto…
View article: Repeatability of a piezoelectric force platform to measure impact metrics for a single model of football
Repeatability of a piezoelectric force platform to measure impact metrics for a single model of football Open
The visco-elastic properties of a football influence how it bounces and therefore its performance in a game. Previously, high-speed camera footage has been used to quantify deformation, coefficient of restitution and contact time for an im…
View article: The relationship between physical activity and severity of COVID-19 symptoms in non-hospitalized individuals
The relationship between physical activity and severity of COVID-19 symptoms in non-hospitalized individuals Open
Background The study explored the relationship between physical activity (PA) behaviour and severity of symptoms in people infected by coronavirus disease 2019 (COVID-19). Methods Five hundred and thirty-three people [16% males, mean age: …
View article: Symptom variation, correlations, and relationship to physical activity in Long Covid: intensive longitudinal study
Symptom variation, correlations, and relationship to physical activity in Long Covid: intensive longitudinal study Open
Background People with Long Covid (Post-Acute Sequelae of Covid-19) describe multiple symptoms which vary between and within individuals over relatively short time intervals. We aimed to describe the real-time associations between differen…
View article: Single view silhouette fitting techniques for estimating tennis racket position
Single view silhouette fitting techniques for estimating tennis racket position Open
Stereo camera systems have been used to track markers attached to a racket, allowing its position to be obtained in three-dimensional (3D) space. Typically, markers are manually selected on the image plane, but this can be time-consuming. …
View article: Relay exchanges in elite short track speed skating
Relay exchanges in elite short track speed skating Open
In short track speed skating, the relay exchange provides an additional strategic component to races by allowing a team to change the skater involved in the pack race. Typically executed every 1½ laps, it is the belief of skaters and coach…
View article: Spatio-temporal metrics that distinguish play outcomes: A pilot study
Spatio-temporal metrics that distinguish play outcomes: A pilot study Open
In team invasion sports, tactical behaviour can be examined using spatio-temporal data, i.e. the position of the players at a given time. A review of the spatio-temporal metrics used in team invasion sports performance analysis indicated t…
View article: Measuring Straight Time in Elite Short Track Speed Skating Relays
Measuring Straight Time in Elite Short Track Speed Skating Relays Open
In short track speed skating, the relay exchange provides an additional strategic component to races by allowing a team to change the skater involved in the pack race. It is thought that during this period of the race, time can be gained o…
View article: Finding the Optimal Background Subtraction Algorithm for EuroHockey 2015 Video
Finding the Optimal Background Subtraction Algorithm for EuroHockey 2015 Video Open
Background subtraction is a classic step in a vision-based localization and tracking workflow. Previous studies have compared background subtraction algorithms on publicly available datasets; however comparisons were made only with manuall…