In gymnastics, cameras are used to automatically judge moves using posture recognition, ensuring fairness in the judging process.
In judged competitions, judges review what techniques the athletes performed and how accurately they performed them, but at high-level competitions, even slight differences in the position of the limbs or the angle of the joints can affect the score, so the judges are also required to have advanced skills.For artistic gymnastics, the International Gymnastics Federation and Fujitsu have jointly developed the 'Judging Support System' (JSS), which is used in all 10 events at world championships.
The gymnastics world braces for an AI future
International Gymnastics Federation Begins Use of Fujitsu's Judging Support System in All 10 Events : Fujitsu
https://pr.fujitsu.com/jp/news/2023/10/5-1.html
The JSS began to be applied to a total of 10 events at the 52nd World Artistic Gymnastics Championships (World Artistic Gymnastics 2023) held in Antwerp, Belgium from September to October 2023, including six men's events (pommel horse, rings, vault, high bar, parallel bars, and floor exercise) and four women's events (vault, balance beam, uneven bars, and floor exercise).
World's first realization of AI judgement Human Motion Analytics - YouTube
Gymnastics is considered to be the most difficult sport to judge.
This inevitably places a heavy burden on the judges.
In order to improve this situation and ensure fairness and transparency, the world's first AI judgment has been implemented.
The system incorporates Fujitsu's proprietary skeletal correction algorithm, the 'Motion-constraint Corrector,' which significantly minimizes estimation errors.
We also use an 'unannotated 3D data generator' that uses photorealistic technology to artificially generate large amounts of training data.
By installing multiple cameras, human movements are captured from four directions and recognized as a series of movements.
It also summarises the progress made towards the full introduction of JSS at the World Gymnastics Championships in 2023.
The idea was apparently conceived at the 81st International Gymnastics Federation General Assembly held in Tokyo in 2016.
Fujitsu began developing JSS in collaboration with the International Gymnastics Federation in 2017.
A camera set up at the 2019 World Artistic Gymnastics Championships in Stuttgart.
An analysis of Tanigawa's techniques is currently underway.
Analyzing horse skills.
And then there's the 2023 World Gymnastics Championships in Antwerp.
Finally, the JSS has been applied to all 10 events.
An example of the difficulty of judging gymnastics is the men's team event at the 2012 London Olympics. At the time, the handstand movement of Japanese athlete Kohei Uchimura when he dismounted from the pommel horse was initially not recognized by the judges, and Japan placed fourth. However, after an appeal, the score was increased and Japan was awarded the silver medal.
Being Kōhei Uchimura Part 2 - The London 2012 Team Event - YouTube
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