r2 - 20 Jul 2007 - 15:34:44 - JasonFaulringYou are here: TWiki >  LIAS Web  >  AerialInstrumentInformation > WaspTerrapix
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As a part of the WASP system, this camera is nominally fired every 4.7 seconds, in sync with the WaspIndigo cameras. It is sometimes run without the Indigo cameras in daytime mapping flights where there is no need for IR imagery.

The Terrapix is made by Geospatial Imaging Solutions, neé Pixel Physics, Inc.

Physically, the camera is

  • a Kodak KAF-16801 CCD sensor
  • RG/GB Bayer color filter array
    • ALERT! need to describe the CFA colors further
    • ALERT! References to RG/GB and GR/BG Bayer CFA present in literature. Which is it? Review the code and see how we're unpacking it.
  • a Contax 645 camera body

  • auto-shuttered (exposure time is dynamic)
  • ALERT! what f-stop? (or is that auto as well?)
  • ALERT! need to describe the lens we use on WASP

Data characteristics include

  • firing rate of 4.7 seconds on most flights
  • generates a 4096 x 4096 array of pixels (48MB color image)
  • 12 bits of precision per pixel
    • usually padded into 16 bit pixels when read from hardware (32MB raw image)
    • can be easily downsampled into 8 bit pixels, as we've never seen the camera actually use all 12 bits of its dataspace in a typical flight (16MB raw image)

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pdfpdf contax645_manual.pdf manage 8875.4 K 20 Jul 2007 - 15:33 JasonFaulring Contax 645 Camera Body Manual
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