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3D tool tracking and positioning using cameras

  • US 10,339,670 B2
  • Filed: 08/29/2017
  • Issued: 07/02/2019
  • Est. Priority Date: 08/29/2017
  • Status: Active Grant
First Claim
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1. A system for detecting a tool in a scene, the system comprising:

  • a camera unit for acquiring an image of a scene; and

    one or more processors configured to;

    divide the image into a first number of patches to generate a first set of patches, wherein a patch is an area of the image,perform object detection on the first set of patches to identify the tool in a patch of the first set of patches,determine that the tool is not detected in the first set of patches,divide the image into a second number of patches to generate a second set of patches, after determining that the tool is not detected in the first set of patches,perform object detection on the second set of patches to identify the tool in a patch of the second set of patches, anddetermine that the tool is detected in a patch of the second set of patches.

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