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All Journal Gelanggang Olahraga: Jurnal Pendidikan Jasmani dan Olahraga (JPJO)
Yudha Hamdi Arzi
Institut Teknologi Sumatera
Education

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Klasifikasi Kelayakan Sepeda Lomba Triathlon Menggunakan Arsitektur You Look Only Once (Yolov11) Berbasis Data Citra Sepeda Azry Ayu Nabillah; Yudha Hamdi Arzi; Radhinka Bagaskara; Leslie Anggraini; Sikah Nubuahtul Ilmi; Ahmad Zain Mahmud; Mohammad Hisyam Alif Setiawan; Dito Aditya Sasongko; Rian Kosasih
Gelanggang Olahraga: Jurnal Pendidikan Jasmani dan Olahraga (JPJO) Vol. 9 No. 3 (2026): Gelanggang Olahraga: Jurnal Pendidikan Jasmani dan Olahraga
Publisher : Institut Penelitian Matematika, Komputer, Keperawatan, Pendidikan dan Ekonomi (IPM2KPE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31539/s0n1h558

Abstract

The study established a triathlon bicycle eligibility classification framework based on YoloV11 and YoloV11-OBB, informed by the World Triathlon Competition Regulations 2025, as a solution for the ineffectiveness and subjectivity inherent in manual assessment. The methodology used is Research and Development (R&D), which includes training of deep learning algorithms using 427 side view images and 100 top view images, in addition to evaluating the accuracy of geometric measurements across five different types of bicycles. Findings showed that the model achieved 100% visual classification accuracy as determined by the Confusion Matrix and was able to produce measurements of macro dimensions and component placement with an average margin of error of 1.5-3.3 cm. However, handlebar angle measurements remain prone to perspective distortion, resulting in an average error of 5.21°. In conclusion, the system deserves to be considered as an effective initial screening instrument in the bicycle inspection process, although with the caveat that manual validation is still necessary in cases approaching the regulatory threshold. Keywords: Computer Vision, Oriented Bounding Box, Bicycle Regulations, Triathlon Bike Check, YOLOv11
Co-Authors Ahmad Zain Mahmud Azry Ayu Nabillah Dito Aditya Sasongko Leslie Anggraini Mohammad Hisyam Alif Setiawan Radhinka Bagaskara Rian Kosasih Sikah Nubuahtul Ilmi