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Image-based inventory control system and method

  • US 9,041,508 B2
  • Filed: 06/12/2009
  • Issued: 05/26/2015
  • Est. Priority Date: 08/08/2008
  • Status: Active Grant
First Claim
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1. An inventory control system for determining an inventory condition of objects stored in the system, the system comprising:

  • a plurality of storage drawers, each storage drawer including a plurality of storage locations for storing objects;

    an image sensing device comprising a plurality of cameras configured to capture images of the drawers;

    a data storage device storing imaging parameters corresponding to each storage drawer, the stored imaging parameters comprising known reference data identifying regions of each drawer within a field of view of each of the plurality of cameras, the known reference data further including settings used in capturing the images or processing the images after they are captured; and

    a data processor configured to;

    determine an identity of a drawer being accessed by the user,access the imaging parameters corresponding to the determined identity of the drawer, the accessed imaging parameters including the known reference data identifying regions of the identified drawer within the field of view of each of the plurality of cameras,capture images of the drawer being accessed by the user using the plurality of cameras,determine relative positional relationships between the images captured by each camera of the plurality of cameras using the known reference data identifying regions of the identified drawer within the field of view of each of the plurality of cameras and stitch together the images captured by the plurality of cameras based on the determined relative positional relationships between the images, anddetermine an inventory condition of the objects stored in the storage drawer according to the stitched together image.

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