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IMAGE RECOGNITION DEVICE, IMAGE RECOGNITION METHOD, PROGRAM, AND RECORDING MEDIUM

  • US 20160132742A1
  • Filed: 03/27/2013
  • Published: 05/12/2016
  • Est. Priority Date: 11/16/2012
  • Status: Active Grant
First Claim
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1. An image recognition device for extracting a region of a vehicle number plate from an image, the image recognition device comprising:

  • an edge direction evaluation unit configured to evaluate a direction of an edge at each coordinate by assigning points to the coordinate when a deviation amount between a direction of an outline of an abundance ratio higher than a predetermined abundance ratio threshold value among directions of an outline of a character available for the vehicle number plate and the direction of the edge at each coordinate of the image is less than a predetermined deviation amount threshold value; and

    a vehicle number plate region extraction unit configured to extract the region of the vehicle number plate from the image based on a distribution of the points assigned by the edge direction evaluation unit.

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