Comment by Krzysztof Bosak on January 4, 2011 at 5:42am

Are you able to keep exposition times below 1/200s?

Comment by Michael Zaffuto on January 4, 2011 at 6:38am

@Krzysztof, wouldn't active camera stabilization relax the quick exposure time somewhat?

Comment by Krzysztof Bosak on January 4, 2011 at 6:47am

"wouldn't active camera stabilization relax the quick exposure time somewhat?"
Of course not. Not in the 1/200 of a second timescale.
You would need 18bit servo precision, some 10KHz imu and similar servo update rate,
all this should be moving a part that weights 500g or more and is subject to 20G accelerations during landings.
Camera stabilisations makes parallel photos, this is the key point in map stitching,
or else the whole process goes much worse, in the bad day the results could become completely skewed.

So you need bright, thus large and heavy lenses. And a compact plane. This analysis rules out 90% compact cameras with most modern sensors (yet more optical distortion) and some sub-DSLR sized digitals.

Comment by evilmacaw on January 4, 2011 at 7:23am

check out the this camera it is an analog CCTV type but see`s at extremely low light levels  so with your filter it should be a nice bright picture not digital but possibly workable

Comment by Krzysztof Bosak on January 4, 2011 at 8:18am

resolution... not the same ballpark.

Comment by Sebastian Gralla on January 4, 2011 at 4:26pm

impressive camera...

nice work!

Developer Comment by John Arne Birkeland on January 5, 2011 at 11:08am

The problem is how manufactures specify lux without relevant data to specify video quality. This makes the lux value useless. Using slow shutter and multi exposure techniques you can pretty much get any lux rating you want, but the result is useless for motion footage. For a proper lux rating you also need to know the shutter speed and IRE rating.

Comment by Lew Payne on January 6, 2011 at 8:29pm

This Rohm video encoder IC can "see" through fog, without the use of IR filters which reduce Lux.  How well a job does it do?  Check out this impressive video!  What are some of the techniques they use?  Well, you may get a hint by reading this Princeton article on how noise gets turned into information.

 

Note: Use at your own risk.  Void where prohibited.

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