near-infrared
near-infrared


Author Comment Last activity Moderation
natalie " " | Read more » over 9 years ago
natalie "What about a different filter? Or how do we white balance these? Next Steps suggestions. " | Read more » over 9 years ago
warren ":-/ doesn't look good. I think without white balancing it, we're going to have a hard time using this cam. http://infragram.org/i/53f266c40ab503..." | Read more » over 9 years ago
natalie " The plant is dying but it still have some green to it. How is this? " | Read more » over 9 years ago
warren "Mathew just had trouble uploading lots of photos too, so perhaps it chokes on large uploads. If you could just upload the one raw image with a red ..." | Read more » over 9 years ago
natalie "I guess. What a pain in the butt. I tried for about an hour to post them at the original size and the wiki just said updating, perpetually and neve..." | Read more » over 9 years ago
mathew "There's an application for linux-- GUVCView that should let you capture full resolution 1200x1600) in the settings. " | Read more » over 9 years ago
warren "Hi, Natalie - thanks for updating, but your photos are really tiny -- is there any way you can post them at full resolution? They look promising, b..." | Read more » over 9 years ago
natalie "Okay check out my updates. @warren, @mathew, @cfastie " | Read more » over 9 years ago
warren "Here are the notes and test photos from when we originally chose the current webcam http://publiclab.org/notes/warren/09-08-2013/infragram-webcam-..." | Read more » over 9 years ago
mathew "white balance is tough-- I only remember control of exposure in UVC. look at these programs: http://publiclab.org/wiki/spectral-workbench-usage#We..." | Read more » over 9 years ago
warren "I also updated http://publiclab.org/wiki/infragram#Filters with red/blue filter information. I believe all webcams are CMOS sensors so I'm not actu..." | Read more » over 9 years ago
warren "The blurry photo looks interesting though... " | Read more » over 9 years ago
warren "Hi natalie- it looks like the focus is a bit off... You actually don't have to remove the lens or anything to test this, you can just tape some red..." | Read more » over 9 years ago
ghk "Yes, I do have a demo running online, but you understand that I won't publish the magic numbers on a post which almost reached 600 readers, or my p..." | Read more » about 10 years ago
warren "If it provides the data as the src of an it should be pretty easy to connect to the existing Infragram.org software, but how would you do "discove..." | Read more » about 10 years ago
warren "Sorry i was traveling last week! My bad. Whoa, cool - were you able to integrate it at all with the existing infragram-js code, like in a button t..." | Read more » about 10 years ago
ghk "Finally, I chose the Websockets way. Briefly: A Server runs on the RaspberryPI, grabbing the frames in shared memory using V4L2 ( ioctl). The Se..." | Read more » about 10 years ago
marktheardvark "Actually, it seems to be possible to remove the filter coating (which should only be a few microns thick) on the new versions. After removing the ..." | Read more » about 10 years ago
warren "Pretty neat. You might be able to transmit via PeerConnect, the HTML5 video streaming API. There's some code here that I think implements a server-..." | Read more » about 10 years ago
ghk "Hello Warren. You're right. I wasn't aware. My goal was to build the minimal JS code able to NDVIze the images of the modified webcam: just basic J..." | Read more » about 10 years ago
warren "Hi, ghk - this looks pretty cool -- but Infragram.org is already client-side! https://github.com/Pioneer-Valley-Open-Science/infragram-js/ It's op..." | Read more » about 10 years ago
Polygonaltree "Hi, Update (13/02/2014). In the new version of this camera released by Logitech the IR filter is integrated in the sensor itself. It is impossible ..." | Read more » about 10 years ago
robharg "Hi, thanks for the tips on IR filter removal on the C270. I thought I'd share my experience... Firstly, I didn't want to heat mine too much as I fe..." | Read more » about 10 years ago