Testing Pi NoIR with IR LEDs

RE: Testing Pi NoIR with IR LEDs

Former Member — Wed, 26 Feb 2014 18:30:32 GMT

Frederick, I have finally done some work and have posted some of my first results of shooting in low light conditions using the NoIR with and without filters. The images were done in colour and black and white using the --colfx argument - which produced and interesting result when I used different parameters.

cheers.

RE: Testing Pi NoIR with IR LEDs

Former Member — Thu, 06 Feb 2014 17:24:14 GMT

Good stuff, it ties in nicely with what I am up to just now. I've built a rig - almost - to hold the Pi and camera on a tripod as one unit and also different coloured filters in front of the lens. I'm trying to determine the best light transmission for night surveillance and also what special effects I can get taking colour images. B & W so far seems the best way to go for this type of work, at night, but I can see the use of colour during the day so may just rely on small colour temperature changes (Filters like 81A, 1B etc) to improve saturation and contrast. I hadn't yet gotten around to the provision of IR lighting and this looks like a very good start which seems easily scalable. Thanks for sharing this.

RE: Testing Pi NoIR with IR LEDs

DAB — Sat, 25 Jan 2014 19:54:45 GMT

You might want to take a look at the sensor sensitivity spectrum and the output of your LED's.

There might be a better fit to maximize the illumination with a different set of LED's.

Just a thought,

DAB

RE: Testing Pi NoIR with IR LEDs

zengirl2 — Sat, 25 Jan 2014 02:08:05 GMT

I really like the camera holder you printed. With the LED's it looks like its own piece of art. This reminds me of a light ring for a regular camera, except the evening version. Very nice.