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Automatically capturing and cropping image of check from video sequence for banking or other computing application

  • US 9,652,690 B2
  • Filed: 02/27/2015
  • Issued: 05/16/2017
  • Est. Priority Date: 02/27/2015
  • Status: Active Grant
First Claim
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1. A method for automatically capturing an image of a check from a video sequence of images of the check without user selection, the video sequence having a plurality of frames, comprising:

  • determining an aspect ratio of the check;

    finding in a single frame of the plurality of frames of the video sequence both routing transit symbols that delineate a routing transit number on a magnetic ink character recognition (MICR) line of the check;

    matching to a template each of the routing transit symbols;

    determining a first distance from one of the routing transit symbols to the other of the routing transit symbols and a second distance from said one of the routing transit symbols to an edge of the check;

    calculating a ratio of the first distance and the second distance;

    comparing each digit of the routing transit number to templates of digits to determine values of the routing transit number;

    capturing the image of the check from the single frame; and

    determining if the aspect ratio, a worst match of the matching to the template, the ratio of the first and second distances, and the comparing said each digit of the routing transit number fall within a predetermined range of acceptable values before said capturing the image of the check from the single frame.

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