Meet the AI that could replace your baseball umpire

  
Via:  tig  •  2 weeks ago  •  12 comments

By:   Jeff Bakalar

Meet the AI that could replace your baseball umpire
Trackman analyzes a handful of details about the ball as it breaks the plane in front of home plate. It can detect velocity, movement, the type of pitch and more.

This is inevitable and good, in my opinion.   Not only will this address the biggest source of umpire mistakes in baseball, its success (I am predicting) will lead to application of technology elsewhere such as on the most active base — first base.


S E E D E D   C O N T E N T


Arguing with an umpire might be a thing of the past. Take it up with this computer umpire who's never wrong.

The introduction of computer-aided refereeing in professional sports has been a mixed bag to say the least. But the hope of inching ever closer to ensuring the right call is made seems like a result worth working toward.

Of course, each sport has its share of subjectivity, but perhaps no mechanic is more overly scrutinized than the strike zone. The interpretation of this imaginary floating rectangle has been the source of countless arguments and ejections over the years, but now Major League Baseball is considering shifting the enforcement of it away from human umpires to Trackman, a radar-based ball-tracking system.

The league has partnered with the Atlantic League of Professional Baseball to serve as a testing ground for the technology. The plan is for the ALPB to use Trackman this season while MLB observes its impact on the game.

Trackman analyzes a handful of details about the ball as it breaks the plane in front of home plate. It can detect velocity, movement, the type of pitch and more. The Somerset Patriots, based in Bridgewater, New Jersey, let us get full access to the system and we documented our experience in the feature above.

Trackman definitely has potential and it seems like it's just a matter of time before a computer is in charge of the strike zone. Perhaps 20 years from now baseball fans will look back at a time of human umpires calling balls and strikes and think we were absolutely crazy.

Watch the above YouTube video to find out more about Trackman and our brief experience letting it judge a few swings at the plate.

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TᵢG
1  seeder  TᵢG    2 weeks ago

Big improvement, IMO, to handle error-prone calls (where human senses are inferior to technology) with automation and use the umpires for calls requiring judgment and reason.

 
 
 
Dulay
1.1  Dulay  replied to  TᵢG @1    2 weeks ago

How does one heckle an AI? 

 
 
 
Trout Giggles
1.1.1  Trout Giggles  replied to  Dulay @1.1    2 weeks ago

Intelligently?

 
 
 
TᵢG
1.1.2  seeder  TᵢG  replied to  Dulay @1.1    2 weeks ago

Oh you can, but it has you 'on ignore'.  jrSmiley_100_smiley_image.jpg

 
 
 
XDm9mm
2  XDm9mm    2 weeks ago

How about we just replace all of the over paid adolescents with AI?  Then we can pull the plug and not have various municipalities extorted into providing them a place to "play", while the league makes billions.

 
 
 
r.t..b...
2.1  r.t..b...  replied to  XDm9mm @2    2 weeks ago

...curmudgeon. 

"Baseball, it is said, is only a game. True. And the Grand Canyon is only a hole in Arizona. Not all holes, or games, are created equal." ~ George Will

 
 
 
JohnRussell
2.2  JohnRussell  replied to  XDm9mm @2    2 weeks ago

The players will all be robots. It will happen, just a question of when. 

 
 
 
TᵢG
2.2.1  seeder  TᵢG  replied to  JohnRussell @2.2    2 weeks ago

I think it is very likely that a variant of baseball (and other sports such as football) will have android leagues.   Human beings playing sports, however, will likely be around for a very, very long time.

 
 
 
Tacos!
3  Tacos!    2 weeks ago

This could potentially be a big aid. God knows umpires make lots of mistakes on balls and strikes. I've seen balls hit the ground and be called strikes. As someone who has coached and umpired over many years, I know it can be very difficult to track the ball as it crosses the plate. Many pitches are called 10 feet in front of the plate and not over it. Other calls are highly dependent on how close a pitcher comes to hitting the catcher's target - something that should be irrelevant.

As presented here, though, there is a fundamental flaw in the system. It is described at 3:12 in the video:

Trackman adjusts its zone depending on the height of the batter and not by a batter's stance.

This is in conflict with MLB rules , which state:

The STRIKE ZONE is that area over home plate the upper limit of which is a horizontal line at the midpoint between the top of the shoulders and the top of the uniform pants, and the lower level is a line at the hollow beneath the kneecap. The Strike Zone shall be determined from the batter’s stance as the batter is prepared to swing at a pitched ball.

Two players of the same overall height can be proportioned differently. One may have longer legs than the other, for example. They may also assume wildly different stances when preparing to swing. That makes their individual strike zone subjective and this is why it can't be based on height. Such a system is not fair.

Umpires are therefore trained to determine the strike zone for each individual batter as they come up and assess the limits of their strike zone based on observation of the batter's stance and approach to swing. This computer system doesn't do that.

 
 
 
TᵢG
3.1  seeder  TᵢG  replied to  Tacos! @3    2 weeks ago
This computer system doesn't do that.

I see nothing stopping a system from determining the strike zone based on the batter's stance if that is what MLB wants.   Technologically that is not difficult to do.    

 
 
 
Kathleen
4  Kathleen    2 weeks ago

Could be an improvement.  I did not like some of the calls last night.  

 
 
 
Paula Bartholomew
5  Paula Bartholomew    2 weeks ago

At least an AI will never get its car keyed by people who think it made bad calls.

 
 
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