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Infrared Camera Conversion
activity:infrared-camera-conversion

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Author Comment Last activity Moderation
Leksu "Thanks for the post and comments @warren ! Have you (or anyone else) had luck with other similar cameras since this? " | Read more » over 2 years ago
shinnen " Hi, I just wanted to say that I add two pieces of microscope slide cover, the same size as the IR blocker, and I now have my focus back. Th..." | Read more » over 3 years ago
warren "It was also easily blown out by bright sunlight, which is not a good sign either -- i think it was just hypersensitive to IR. " | Read more » over 3 years ago
warren " " | Read more » over 3 years ago
warren "Quick follow-up about another cheap webcam - this one: https://www.amazon.com/gp/product/B01DRJXAWA/ "ELP megapixel Super Mini 720p USB Camera Mo..." | Read more » over 3 years ago
warren "I posted an activity for doing NDVI-like work using a camera like this -- with a coefficient (on the output of NDVI, so like "boosted" NDVI) here: ..." | Read more » almost 4 years ago
shinnen "Thanks again for your help Chris. ... john " | Read more » about 4 years ago
shinnen "Thank you both for your help. ..... john " | Read more » about 4 years ago
cfastie "It seemed to work for the eight models of PowerShot that I tried. I am not aware of other attempts to confirm this. " | Read more » about 4 years ago
shinnen "Hi Chris, So, most cameras can be refocused that way? .. john " | Read more » about 4 years ago
cfastie "It is common for focus to be poor after the internal IR cut filter is removed or replaced. To make those modifications, the plate holding the camer..." | Read more » about 4 years ago
shinnen "Hi, What is required for adjusting the focus? Thanks, .... john " | Read more » about 4 years ago
shinnen "Hi, Is the filter necessary to getting good focus, or can I use it externally? .... john " | Read more » about 4 years ago
shinnen "Hi, Is the filter necessary to getting good focus, or can I use it externally? .... john " | Read more » about 4 years ago
warren "Ah! https://publiclab.org/notes/cfastie/08-20-2013/white-balance-recovery Flashback! " | Read more » over 4 years ago
warren "I guess to evaluate how well the 2x blue boost I posted above worked, we'd have to compare it to a better system, right? If other folks take a phot..." | Read more » over 4 years ago
cfastie "I have tried several times to adjust the histogram of bad infrared photos. It has always failed and I don't know why. I assume it is because the ad..." | Read more » over 4 years ago
warren "Hmm, could we manually multiply the blue channel by 2 or 3 to do a "post-processed white balance"? Of course this would need to be calibrated, but ..." | Read more » over 4 years ago
cfastie "A single camera NDVI system with a red filter should produce a photo with very turquoise foliage. The blue channel (NIR) should be much brighter th..." | Read more » over 4 years ago
warren "Incandescent white balance seems to work all right! But wait, here it is in NDVI using http://infragram.org -- black is zero NDVI, white is 1.0: ..." | Read more » over 4 years ago
warren "Lens separation on cheaper GoPro clones seems very easy! https://publiclab.org/notes/azaelb/12-04-2016/conversion-of-4k-sport-camera-for-ndvi-anal..." | Read more » over 4 years ago
warren "@amanda and I did a take apart session and this is pretty easy to do with a good pair of pliers -- wire strippers worked well! " | Read more » over 4 years ago
warren "Does anyone have some more photos of this conversion process we could show here, more step-by-step? " | Read more » over 4 years ago
cfastie "The new filter can be inside the camera or in front of the lens. If it is in front, it will get scratched and might be bent (not flat), but it is e..." | Read more » over 4 years ago