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Scene analysis method and visual navigation device

  • US 10,614,323 B2
  • Filed: 10/31/2017
  • Issued: 04/07/2020
  • Est. Priority Date: 07/10/2017
  • Status: Active Grant
First Claim
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1. A scene analysis method comprising the steps of:

  • capturing scene information at different times based upon a field of view of an image capturing device;

    analyzing different targets existing in the scene information being captured;

    comparing positions of the same one of the targets captured at different times, wherein the target that is in a specific region in the field of view and moving toward the image capturing device is classified as a type A target, otherwise, the target is classified as a type B target;

    wherein a plurality of sampling points or grids in the scene information are extracted along a spiral curve having a starting point at the center of the field of view.

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