Comments

Author Comment Last activity Moderation
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 » about 6 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 » about 6 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 » about 6 years ago
warren "Does anyone have some more photos of this conversion process we could show here, more step-by-step? " | Read more » over 6 years ago
warren "I think they're 4 inches, not 5 -- sorry for the slow response! " | Read more » over 6 years ago
warren "Hi, very late reply but I'm starting to tie everything in this topic area together -- there's now documentation up at both https://publiclab.org/wi..." | Read more » over 6 years ago
warren "Note: we now have a guide to setting white balance, although this question still stands for what the settings should actually be. https://publicla..." | Read more » over 6 years ago
warren "Hi, Chris - we're (finally) hoping to address this in a few different ways, and thanks for your excellent and thoughtful suggestions. I've been bre..." | Read more » over 6 years ago
warren "Just linking this up with @nedhorning who has done a lot since!! " | Read more » over 6 years ago
warren "Hi, Ned - i'm not asking about calibration at this point, just for a way to empirically test (in the sense of automated testing -- https://en.wikip..." | Read more » almost 7 years ago
warren "Hey @ccpandhare - just a heads up on this! " | Read more » almost 7 years ago
warren "Also see this page collecting cheap cameras of this type: https://publiclab.org/questions/warren/05-20-2017/cheap-lightweight-gopro-alternatives-fo..." | Read more » almost 7 years ago
warren "These or similar cameras are as low as $40 now! https://www.amazon.com/gp/aw/d/B01DG9UMS6/ref=mp_s_a_1_2?ie=UTF8&qid=1497436247&sr=8-2&..." | Read more » almost 7 years ago
warren "Hi! The Mobius can be used as a webcam, and a converted lens is available in the store: https://publiclab.myshopify.com/collections/diy-infrared-ph..." | Read more » almost 7 years ago
warren "Yeah - so one idea behind the methods pages is to try to list out some of the "challenges" or next steps that'd be needed, and some of the remainin..." | Read more » almost 7 years ago
warren "Wow, this is super! Thanks, Chris! Do you think as more info comes together around this device (like more posts, questions, etc) we might post it o..." | Read more » almost 7 years ago
warren "Ah, i've just learned that I didn't know the definition of vignetting. But I do now -- apologies for mixing this up! I haven't heard anything about..." | Read more » almost 7 years ago
warren "There are a few different approaches to this too, but one which definitely works is documented alongside an in-progress web-based approach, both un..." | Read more » almost 7 years ago
warren "Hi -- well, there may be methods like that; just to put in another idea, although you probably won't want to do it; Dorn Cox from Farm Hack has act..." | Read more » almost 7 years ago
warren "Hi, just wondering about my question on the screw in the photo below -- is that to unscrew the lens assembly itself? " | Read more » about 7 years ago
warren "Can you show a picture of the front and back as well? I think i see a screw, but not sure... " | Read more » about 7 years ago
warren "Hmm, very hard to follow without images, huh? I wonder if there are any YouTube tutorials? " | Read more » about 7 years ago
warren "Via @wildintellect on the plots-infrared discussion list: Replace the lens, there are several aftermarket GoPro lens made for IR. http://stuntcams..." | Read more » about 7 years ago
warren "Hi, Ned - do you think you could post the original images from which you generated your NDVI? Thanks! " | Read more » over 7 years ago