Navy

Vision system

Two-source active sensor system for three-dimensional vision

Photonics

With reference to the patent drawing, methods employ: a sensor (2); two electromagnetic energy sources (4, 6) offset from each other and positioned such that the electromagnetic energy they transmit illuminates scene (8); and an electronic processor to calculate/transform the intensity data collected by the sensor (2) into range or distance from the sensor (2) to the different pixels of the scene.

This technology developed by Navy researchers relates to an active sensor or video system with two sources of scene illumination, which obtains a 3D surface from the scene imaged by the sensor system. Pixel data of the intensity images and the distances between the illumination source and the sensors are processed to determine the 3D location of each pixel thereby obtaining the 3D map of the surface of the imaged scene. 3D images are valuable for:

  • Navigation, including vehicle landing, docking, and parking
  • Robotics in the finding of, attachment to, and manipulation of objects
  • Targeting by weapon tracking, guidance, and interception of targets

This technology provides a computationally light, simplified, and unique solution for the collection of imaging data and processing to provide 3D vision.

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