Method and apparatus for recovering a vehicle identification number from an image

  • US 9,563,814 B1
  • Filed: 05/19/2015
  • Issued: 02/07/2017
  • Est. Priority Date: 06/27/2014
  • Status: Active Grant
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First Claim
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1. A mobile apparatus, comprising:

  • an image sensor configured to convert an optical image into an electrical signal, the optical image including an image of a vehicle license plate;

    a license plate detector configured to;

    process, by a processor, the electrical signal to identify one or more object images from the image, each of said one or more images comprising a candidate vehicle license plate image,process, by the processor, the electrical signal to crop the image to said identified one or more of the object images,process, by the processor, the electrical signal to score each of said cropped one or more of the object images based on a probability that the cropped object image comprises the vehicle license plate image, wherein each of the cropped one or more object images is scored by;

    detecting a plurality of alphanumeric characters in the object image, andapplying a score based on a position of one of the plurality of characters relative to a position of another one of the plurality of characters, and based on said scored object images, process, by the processor the electrical signal to recover information from the vehicle license plate image; and

    an interface configured to transmit the vehicle license plate information to a remote apparatus and receive a vehicle identification number corresponding to the vehicle license plate image in response to the transmission.

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