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In a world of constant controversy over judgment, in the professional baseball world, an automatic judgment system experiment in which a machine decides strikes and balls instead of humans is in full swing.
Amid the evaluation that the accuracy has improved, the KBO league is also preparing to introduce in earnest.
Correspondent Lee Seong-hoon.
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This match, which doesn't seem unusual, is a match in which an 'automatic judgment system' in which a machine decides whether to strike or not is activated.
The machine measures the trajectory of the pitch and informs the referee of a strike through the referee's earphone, and the referee listens and makes a decision.
It has been used in the American minor league Triple A since last May, and is running smoothly.
Until last year, there were problems such as it took time for the referee to hear and make a decision after reading, and there were problems such as a strike decision coming out on a changing ball that fell absurdly low.
In the KBO League, an automatic judgment system has been operating in the 2nd team since last week.
Players are praising that they are much better than last year.
[Kim Ki-yeon / LG Catcher: Last year, after I caught it, I got a call after 1-2 seconds, and I was worried, but now the judgment is quicker, and there seems to be a certain consistency in the left and right, up and down.]
Major League Baseball automatically decides from 2024 The goal is to fully implement the .
The key is to improve the technical maturity and whether the strike zone rules change.
According to baseball rules, the top and bottom of the strike zone is determined from below the batter's knee to between the shoulder and the belt.
The American automatic judgment system applies from 27% to 52.5% of the typing height, so it is necessary to discuss the 'international standard'.
(Video editing: Nam Il, screen source: MILB)