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in this presentation, we will focus on taking a closer look at several interesting segments of film footage from the NASA archives. All the footage shown and analyzed here was originally shot by NASA astronauts during the Apollo missions (1968-1972) on 16mm film, using what was known as the "Data Acquisition Camera" - the "DAC".
The Maurer "DAC" cameras were modified variable frame rate 16mm motion picture film cameras used by the various Apollo crews throughout their missions to film scenes of interest through the windows of the spacecraft, interior spacecraft activities, as well as to shoot exterior footage during lunar surface "moonwalk" operations and Low-Earth Orbit or Trans-Earth-Coast EVA ops in cis-lunar space.
I included a bit more information on the Apollo DAC camera in the brief writeup I did attached to the earlier teaser/trailer video for this presentation - www.youtube.com...
In the last half of this presentation (starting at 4:30), I show various examples where I employ an enhancement technique known as "frame-stacking" against the raw DAC archive footage. In certain cases, frame-stacking can be employed to forensically attack the raw frames of film and produce an enhanced composite still-frame of a stable (or motion-stabilized) scene. It should be noted that "stacking" is by no means a new method of enhancing video or motion picture film footage. It is a digital enhancement technique that has been around a lot longer than most people would probably believe, and in many cases it can provide us an improved look at some of the deeper image detail that is actually buried beneath the random "noise" in the raw footage.
Originally posted by ArMaP
PS: As this wasn't posted by LunaCognita, no applause or star for you.