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License Plate Recognition

Identify license plate characters, with support for different US states as well as international license plates.

  • Kevin Gong
  • Sep 28 2017
  • Needs review
Why is it useful?
Who would benefit from this IDEA? As a user, I want to be able to read license plates.
How should it work?
Idea Priority Low
Priority Justification
Customer Name
Submitting Organization
Submitter Tags
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  • Jan Forster commented
    October 02, 2017 07:47

    I've already collected a lot of training data for license plates with proper image licensing. I've I could contribute that data it would be great.

  • AHMET CELIK commented
    November 22, 2017 14:11

    Text identification can be leveraged for this

  • ALLIE MILLER commented
    November 22, 2017 17:24

    @Jan - for free? Sounds great for if/when we decide to pursue it. Can you ping @Shantenu Agarwal and let him know? (

    @Ahmet - Our Text offering is not optimized for license plates. Optimized for computer-generated labels/signs in English (think street names, stop signs, short phrases on shirt, short product packaging statements, etc.). Likely low/poor accuracy if you try to use Text (closed beta for Sponsor Users in early Q1) on license plates.

  • Peter Gibbons commented
    August 13, 2018 03:34

    In the USA, some DMV departments require the plate type as part of the plate information to identify a vehicle, because same plate number could be issued for multiple plate types. So it is not only about recognizing text, but graphs as well.

    This is really a challenge and right now no license plate recognition software in the market is able to fully automated the process with a high confidence (for the plate type I mean)

  • ALLIE MILLER commented
    August 13, 2018 16:27

    I am no longer on Watson Visual Recognition and want to make sure the rest of the team sees this.