This is a testing site only. See the live Public Lab site here »


initiative-area
initiative-area


Author Comment Last activity Moderation
DitchOntologist "For your community projects list: EnviroDIY (by Stroud Water Research Center)- https://www.envirodiy.org/ It's part of a broader initiative, WikiW..." | Read more » about 3 years ago
Sidney_AstroPlant "Using NIR LEDs seems like a good option to look into and I'm happy to hear that I might not have to deal with extensive filtering! I just got a res..." | Read more » over 5 years ago
cfastie "A simple option might be to turn on some NIR LEDs when the photography happens. The NIR:VIS ratio might not match sunlight, but if you know what it..." | Read more » over 5 years ago
Sidney_AstroPlant "The kit is fully enclosed with LED with a certain blue and red ratio (I have to verify what the exact ratio is). This brings me to the conclusion t..." | Read more » over 5 years ago
cfastie "Thanks for adding a photo. NDVI is based on the assumption that the light illuminating the foliage has a certain proportion of NIR and VIS -- the p..." | Read more » over 5 years ago
cfastie "Using two cameras solves one of the two problems I described (mixed NIR and VIS). That problem can also be solved by measuring or making assumption..." | Read more » over 5 years ago
Sidney_AstroPlant "Thanks Chris for your response. My assumption was that the blue filter supplied with the RPI Noir camera blocks the red channel fully. So you get a..." | Read more » over 5 years ago
Sidney_AstroPlant "Thanks for the positive messages! I see that both of you are active in open source hardware and software initiatives. We are thinking to share our ..." | Read more » over 5 years ago
zengirl2 "Glad you posted here as you know I'm a fan of the project. :) " | Read more » over 5 years ago
cfastie "I haven't used the Pi NoIR cam and have not seen your photos, so I can only respond from general principles. Camera sensors are not as sensitive ..." | Read more » over 5 years ago
warren "Just wanted to say this looks really cool! " | Read more » over 5 years ago