Card image recognition methods and device

Card image recognition methods and device

  • CN 106,250,894 A
  • Filed: 07/26/2016
  • Published: 12/21/2016
  • Est. Priority Date: 07/26/2016
  • Status: Active Application
First Claim
Patent Images

1. a card image recognition methods, it is characterised in that described method includes:

  • Determining appointment region from the first image, described first image is card to be identified to be carried out shooting obtain, described cardSheet is the appointment position that the card image in tetragon card, and described card is positioned in described card;

    Determine at least one quadrangular configuration that described first image includes;

    For each quadrangular configuration at least one quadrangular configuration described, based on described quadrangular configuration and described cardWidth and length, the quadrangular image surrounded described quadrangular configuration in described first image is corrected, and schoolThe four edges of the described quadrangular image after just is parallel with the limit on the correspondence direction of described first image respectively;

    Based on described appointment region, from least one quadrangular image after correction, select target image;

    Described target image is defined as card image, and based on described card image and described card image in described cardAppointment position, the card image in described card is identified.

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