Digital Imagery

Short Name or Variable Name
Digital Video

Small industrial machine vision cameras. Forward-looking color imagery is standard on both aircraft.  Upon request, left-, right-, and down-facing cameras can be deployed.

Measurements Provided: Image of scene ahead of aircraft. Left, right, and downward images are requestable.

Typical Sampling Rates: 1 sample per second

Measurement Characteristics: 

For GV: 1024 x 768 resolution, 62° (horizontal) x 48° (vertical) field of view.

For C-130: 1384 x 1032 resolution, 68° (horizontal) x 51° (vertical) field of view with approximately 6% barrel distortion.

History of Significant Changes: 

  • 2009: Dan LaGreca software for acquisition, display.
  • 2011 May: added 10W heating to HIAPER camera snout.
  • 2011-Nov: added 40W heating to C130 camera snout.
  • 2013-Mar: C-130 camera moved to cockpit, center of windscreen.
  • 2019-Aug: GV downward camera available. (Allied Prosilica GT4907 Monochrome, GigEVision)

Example(s) of Measurement: Below is a frame from a typical movie. In this sample the resolution of the image is 1/2 that of the original image which was recorded by the camera and stored in the project data archive.

 

predict_movie_example

Calibration Methods

Field of view is based on the lens manufacturer specifications.

Lead Contact
Stuart Beaton
Typical Sampling Rates
1 sample per second