Search Results - Sensors
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Automatic video-based reconstruction of the trajectories performed by skiers
Dunnhofer, M., Micheloni, C.Published in 9th International Congress on Science and Skiing, March 18 - 22, 2023, Saalbach-Hinterglemm, Austria (2023)“…Computer Vision algorithms applied to videos capturing the performance is an alternative that does not need wearable sensors 1. To the best of our knowledge, no study is present to reconstruct the trajectory of skiers in videos automatically. …”
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The use of the vibroacoustic system for determining the range of a ski jump for training athletes
Kiesewetter, D., Malyugin, V., Korotkov, K., Zyryanov, S.Published in Scientific Journal of Sport and Performance (2022)“…The principle of vibroacoustic systems operation for determining the distance of a ski jump from a springboard, the possible location of sensors on the springboard and sensor signals that occur when athlete lands are considered. …”
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xLength: predicting expected ski jump length shortly after take-off using deep learning
Link, J., Schwinn, L., Pulsmeyer, F., Kautz, T., Eskofier, B.M.Published in Sensors (2022)“…Sensors…”
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Ski jumpers` physical fitness test toolkit for staged progress tests in yearly training cycle: benefits analysi
Shestopyorov, R. Y., Gorbunov, S. A., Gorbunov, S. S.Published in Theory and Practice of Physical Culture (2021)“…The ski jumping data were produced by the relevant metering tools including speed sensors, video captures, Dartfish statistical processing system, and expert valuations. …”
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IMMU-based orientation determination in sports analytics: kinematic analysis and performance interpretation
Groh, B. H.Published in BiSp-Liste Dissertationen (2021)“…This dissertation provides algorithms for both kinematic analysis and performance interpretation based on unobtrusively obtained measurements from wearable sensors. Its main focus is set on the processing of 3D-orientation features and the exploration of their potential for sports analytics. …”
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Landing in ski jumping: A review about its biomechanics and the connected injuries
Bessone, V., Schwirtz, A.Published in Journal of Science in Sport and Exercise (2021)“…The third part describes the methods and technologies utilized in literature to analyze the landing and its preparation (video cameras, inertial sensors, force insoles, wind tunnel and computer simulation). …”
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A hybrid framework to predict ski jumping forces by combining data-driven pose estimation and model-based force calculation
Nam, Y., Do, Y., Kim, J., Lee, H., Kim, D. N.Published in European Journal of Sport Science (2023)“…Further, our method is practically applicable to the study in a real competition environment because it is not required to attach any sensor or marker to athletes.…”
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Performance analysis in ski jumping with a differential global navigation satellite system and video-based pose estimation
Elfmark, O., Ettema, G., Groos, D., Ihlen, E. A. F., Velta, R., Haugen, P., Braaten, S., Gilgien, M.Published in Sensors (2021)Subjects: “…Sensor…”
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Technical errors in elite ski jumping: classification attempt
Shestopyorov, R. Y., Gorbunov, S. A., Gorbunov, S. S.Published in Theory and Practice of Physical Culture (2021)“…The ski jumping data were produced by the relevant metering tools including speed sensors, video captures, Dartfish statistical processing system, and expert valuations. …”
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The use of the vibroacoustic system for determining the range of a ski jump for training athletes
Kiesewetter, D., Malyugin, V., Korotkov, K., Zyryanov, S.Published in 17th Annual Convention and International Conference of the International Network of Sport and Health Science, 27-29 May 2021, St. Petersburg, Russia (2021)“…The fully automated system allows coaches to receive data on the acceleration speed and jump range in real time during the training process, create a database of results, plan the training process, pay attention directly to the athlete`s training process, and thereby improve the quality of training of jumpers METHODS: The system uses accelerometers or fiber-optic vibration sensors, analog-to-digital converters, data collection system, network computer equipment and external display devices- display boards. …”
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Attitude estimation of skis in ski jumping using low-cost inertial measurement units
Fang, X., Göttlicher, C., Holzapfel, F.Published in Proceedings (2018)“…First of all, a kinematic attitude model based on rigid-body dynamics and a sensor error model considering bias and scale factor error are established. …”
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The automated system for collection, processing and transmission of data for training and competitive process in ski jumping
Kiesewetter, D., Korotkov, K., Malyugin, V.Published in 8th Conference on Internet of Things and Smart Spaces (2015)“…Typical signals obtained from the sensors of landing are shown. It is noted that the main problems in automatic detection-range jumps are: different speed of sound propagation in the coating springboard, non-point sound source, and other factors. …”