High school baseball robot referee appears… Strike match-fixing does not work

The round of 16 match of the 2023 Shinsegae E-Mart Cup National High School Baseball Championship between Segwang and Masan Yongma High School held on the 3rd at Mokdong Baseball Stadium in Seoul. At the end of the first inning, Jeon Min-jae, the first batter of three advertisements, stood and watched the 7th pitch from the ball count 3-2, and the referee declared a strike. Then, Bang Jin-ho, director of Saegwang-go, asked for a challenge.

In this game, a robot referee, that is, an automatic ball-strike judging system, was introduced for the first time in high school baseball. As a trial, when the referee makes a decision, the manager can ask the robot referee to re-read the decision up to three times per game. Jeon Min-jae, who had struck out, also stepped on first base with a walk as the robot referee corrected the referee’s strike decision with a ball. On this day, Yongmago asked for the challenge 3 times and Sae-gwang 2 times, and the robot referee turned the human referee’s strike into a ball.

From the round of 16 on the 4th, robot referees will make the final decision. Neither team’s bench can dispute the ball/strike decision made by the robot referee in accordance with official baseball rules. Lee Jong-hoon, president of the Korea Baseball Softball Association카지노사이트, said, “We expect to improve performance by preventing irregularities in the entrance exam due to match manipulation with the introduction of robot referees.” An official from the association said, “The field leaders are of the opinion that the judgment on pitches such as curves with large drops and sliders and cutters that flow sideways sometimes yields different results than when people do it.” Because of that, I am willing to endure it,” he said.

The robot referee applied to high school baseball is the same system as the PTS (Pitch Tracking System) currently used in the KBO (Korea Baseball Organization) League 2nd team game. As a result of KBO’s efforts to build a system with support from the Ministry of Culture, Sports and Tourism, last year, it played 62 games in the second group as a robot referee. The principle is to install cameras on the first and third bases and the outfield center fence to measure the pitch trajectory in three dimensions, and then apply it to the self-set strike zone to determine whether the ball strikes or not.

When the robot referee makes a strike decision, a ‘beep’ sounds from the earphones plugged into the referee’s ears. The ball makes no sound. In 2020, it took about 1.2 to 1.8 seconds for the robot referee’s decision to be delivered to the referee, and it took about 3 seconds for the referee to make a call. There is.

The techniques applied to pro and high school are the same, but the strike zone range is different. The robot referee’s strike standard requires that the pitched ball pass through both the front and rear strike zones of the home plate. High school players’ strike zones are about one ball wider than KBO’s and 3.6 cm lower in height, considering performance and average height.

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