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Web-based Geo-Referenced Image Manager (WebGRIM)

WebGRIM is an advanced software application that allows users and operators to control all aspects of imagery collection and post processing. WebGRIM, combined with a GI-Eye system, collects high resolution imagery (taken from the air or the ground) and precise camera location and orientation information. This data is stored in an Oracle spatial database for quick and reliable access to virtually unlimited amounts of imagery. WebGRIM provides the tools to display, sort, manage, and use that imagery for photogrammetry and targeting.

 

Key features

  • Quickly locate and manipulate collected imagery.
    • Map-based displays provide context for data allowing the user to rapidly locate the data of interest.
    • User-friendly interface allows the operator to control camera collection parameters on-the-fly, e.g., shutter speed, gain control, and data collection rate.
    • Near real-time orthorectification and mosaicking of collected imagery makes situational awareness and target identification quick and easy. Users can generate their own maps on demand from the collected data.
    • Point-and-click targeting—using proprietary high-accuracy NAVSYS algorithms—provides target quality coordinates from aerial imagery at the click of a mouse. For aerial and terrestrially collected imagery, triple-shot targeting can provide similar coordinates.
  • WebGRIM mapping software is compliant with OGC standards allowing the system to display third-party maps, imagery, and live data (such as weather radar) obtained over the Internet. Additionally, WebGRIM could act as a Web Mapping Server (WMS) allowing third-party applications to seamlessly import data from WebGRIM.
  • Web-based system allows collaboration between multiple, simultaneous users, and requires no software be installed on client computers.
  • WebGRIM, when coupled with the GI-Eye InterNav™ software, could use local-area DGPS data from a customer-run reference station, or wide-area data obtained over a network, to provide ultra-accurate imagery registration.
  • Auto-DEM module will allow the generation of precision digital elevation models from collected imagery.
   
WebGRIM displaying the “footprints” (magenta) of images from an aerial collection

In this image, WebGRIM is displaying the “footprints” (magenta) of images from an aerial collection. The background imagery in this case is being downloaded from the USGS over the Internet. The user has further narrowed the area-of-interest by drawing the red box. The raw images within this box are shown at the bottom of the screen.

 
 
WebGRIM user performing single-shot targeting

The image above shows the user performing single-shot targeting. After selecting a raw image from the map display, the user clicks on any point on the image. Targeting-level accuracy coordinates are generated for that point.

 
 
WebGRIM: small customer-built mosaic of UAV imagery (color), overlaid on historical (black & white) USGS imagery

Shown above is a small, user-built mosaic of UAV imagery (color) overlaid on historical (black & white) USGS imagery. To build a mosaic, the user has only to identify the geographic area of interest.

 
Related Info
Video

WebGRIM Demonstration Video (requires Flash)

Papers

08-11-002

Real-Time Target Geo-Location and Web-Based Situational Awareness Using Tactical UAVs.
UAS Payloads Conference, San Diego, CA, Nov. 2008 (PDF: 7.7MB)

08-09-006

Near Real-Time Geo-Referenced UAV Imagery Collection and Web-Based Processing on a Server for Targeting and Mapping.
Proceedings of ION GNSS 2008, Savannah, Georgia, Sep. 2008 (PDF: 620k)

07-10-001

Web-based Geo-Referenced Image Manager (WebGRIM): Automated correction, processing and management of aerial data.
Proceedings of PCI Geomatics Tower Club Applications Seminar, Vienna, VA, Oct. 2007 (PDF: 5MB)

07-09-003

Flight Test Results of a Video-Aided GPS_Inertial Navigation System.
Proceedings of ION GNSS 2007, Ft. Worth, TX, Sept. 2007 (PDF: 275k)

Brochure

Web-based Geo-Referenced Image Manager (WebGRIM) (PDF: 275k)

Contact
Debbie Westra
info@navsys.com
toll free: 866.4.NAVSYS (866.462.8797)
or 719.481.4289


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