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Author Topic: IR webcam ?  (Read 2972 times)
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« on: February 04, 2008, 06:08:35 PM »

Hi guys, I'm looking to use a Wiimote has an IR webcam to film my aquarium at night (I want to see my fish in the reflective IR spec for fun). Is there a way to capt the data from the IR Camera to obtain a video codec file ?

Simon
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« Reply #1 on: February 04, 2008, 07:26:28 PM »

i think the term "IR Camera" is a misnomer. It is able to capture up to 4 dots, I do not think that it  does a type of frame capture and then analysis to get the points to report.

I could be wrong but it would seem that the "camera" portion of the wiimote is just a capture for up to 4 sources.

now, how you could use this, you could have an IR light source in your tank out of view of the wiimote, then point the wiimote at your tank, then have software to put an image of a fish at the capture point. This would allow you to have a virtual fish tank that has the same positions of your actual fish. that would be pretty cool.

with that info you could create a sort of movie file that is like a time lapsed data capture and recreate the movement the fish did (minus depth away or toward the camera) and write that to a movie type file. but that would be a little more difficult.

What exactly are you trying to accomplish with this btw?
« Last Edit: February 04, 2008, 07:38:58 PM by atomriot » Logged

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« Reply #2 on: February 04, 2008, 09:21:42 PM »

Behavior of salt water fish in a reef like fish tank. Night behavior that is.

The processor of the Camera track up to 4 high luminosity point but if sun light get in my window when I play the wii and that my sensibility is too high, then I am seing in the sensibility screen as much as 20 point of different size, which make the processor go crazy and make the pointer jump in the screen.

The IR Camera is really a Camera, with a processor to analyse the tracking of the 4 biggest point.
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« Reply #3 on: February 06, 2008, 09:55:28 PM »

You cannot directly grab the video data from the Wiimote. The bandwidth of the bluetooth connection is probably not high enough for that.

If you need an IR camera, you can go and take the IR filter out of a standard webcam. There are plenty tutorials on that available, for example this one: http://www.lpi.usra.edu/education/fieldtrips/2005/activities/ir_spectrum/ir_webcam.html
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