4 May 2017 Photogrammetric point cloud compression for tactical networks
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Abstract
We report progress toward the development of a compression schema suitable for use in the Army’s Common Operating Environment (COE) tactical network. The COE facilitates the dissemination of information across all Warfighter echelons through the establishment of data standards and networking methods that coordinate the readout and control of a multitude of sensors in a common operating environment. When integrated with a robust geospatial mapping functionality, the COE enables force tracking, remote surveillance, and heightened situational awareness to Soldiers at the tactical level. Our work establishes a point cloud compression algorithm through image-based deconstruction and photogrammetric reconstruction of three-dimensional (3D) data that is suitable for dissimination within the COE. An open source visualization toolkit was used to deconstruct 3D point cloud models based on ground mobile light detection and ranging (LiDAR) into a series of images and associated metadata that can be easily transmitted on a tactical network. Stereo photogrammetric reconstruction is then conducted on the received image stream to reveal the transmitted 3D model. The reported method boasts nominal compression ratios typically on the order of 250 while retaining tactical information and accurate georegistration. Our work advances the scope of persistent intelligence, surveillance, and reconnaissance through the development of 3D visualization and data compression techniques relevant to the tactical operations environment.
Conference Presentation
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Andrew C. Madison, Andrew C. Madison, Richard D. Massaro, Richard D. Massaro, Clayton D. Wayant, Clayton D. Wayant, John E. Anderson, John E. Anderson, Clint B. Smith, Clint B. Smith, } "Photogrammetric point cloud compression for tactical networks", Proc. SPIE 10190, Ground/Air Multisensor Interoperability, Integration, and Networking for Persistent ISR VIII, 1019015 (4 May 2017); doi: 10.1117/12.2266552; https://doi.org/10.1117/12.2266552
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