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System for collecting and processing aerial imagery with enhanced 3D and NIR imaging capability

  • US 9,798,928 B2
  • Filed: 07/16/2014
  • Issued: 10/24/2017
  • Est. Priority Date: 07/17/2013
  • Status: Active Grant
First Claim
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1. A system for collection and processing aerial imagery collected from an aerial vehicle, comprising:

  • at least one camera;

    an avionics box comprising a microprocessor;

    a GPS receiver;

    a remote computing device in said aerial vehicle and a software application comprising instructions executable by said remote computing device for guidance along a raster flight plan across a predetermined geographic area and automatically triggering said at least one camera to collect overlapping images based on coordinates of said GPS receiver; and

    a computing cloud comprising a plurality of cloud computing nodes, at least one data storage device and at least one processing device running at least one software application, wherein said at least one software application further comprises,computer instructions stored on said data storage device and executable by said at least one processing device that locate image tie points as between two or more images via an iterative multi-resolution matching method in which image tie points between said plural images are repetitively cross-correlated in iterations of increasingly finer resolution and stored at said data storage device until all said image tie points at all said resolutions are identified and stored at said data storage device, andcomputer instructions stored on said data storage device and executable by said at least one processing device for state estimation of said at least one camera orientation and GPS receiver error from said stored image tie points, for orthorectification of said two or more images for perspective and relief error by association of at least one pixel in each of said two or more images with a point in a geographic coordinate reference system, and for accurately mapping said corrected two or more images to a map projection.

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