This is a testing site only. See the live Public Lab site here »
| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| warren | "Also, I added a few tags -- @amirberagain, you may want to "follow" the tag #pi-camera to get email updates for @maggpi's posts? " | Read more » | over 4 years ago | |||
| warren | "Just interested to see - could you modify the above images so the Pi versions show an outlined box where the smaller FOV of the webcam covers? It'd..." | Read more » | over 4 years ago | |||
| warren | "Fantastic note! Lots of good info on fisheye correction here, too: #fisheye " | Read more » | over 4 years ago | |||
| warren | "Also could be interesting to @maggpi -- check it out! " | Read more » | almost 5 years ago | |||
| sjmanosalvas | "@carolccarvalho please your help, I trying to do a similar project for school, but I'm new with MATLAB program, Could you send your codes to implem..." | Read more » | almost 5 years ago | |||
| warren | "Awesome - any progress on this? I'd love to know your white balance settings too! " | Read more » | over 5 years ago | |||
| warren | "Wasn't there an installable package or image that sets up a web-based photo interface? I think @xose mentioned it -- anyone remember? Thanks! " | Read more » | over 5 years ago | |||
| zengirl2 | "This tutorial will help you--skip to software section after you check parts https://learn.adafruit.com/raspberry-pi-wearable-time-lapse-camera/over..." | Read more » | over 5 years ago | |||
| elongo | "Thank you so much @LaPa for your insights and sharing the experience. Would be possible for you share with me how did you implemented, using the ra..." | Read more » | over 5 years ago | |||
| LaPa | "Hi, Elongo, I didn't reach the goal to measure health of plants most because Red Horning wrote me, by private mail, the that technique wasn't prope..." | Read more » | over 5 years ago | |||
| elongo | "Thank you!! " | Read more » | over 5 years ago | |||
| liz | "Hi! @LaPa (hoping to trigger a notification email to them) :) " | Read more » | over 5 years ago | |||
| elongo | "Hi @LaPa, 1) just wondering which steps you followed to setup and run ImageJ and Fiji in your Raspberry Pi, and get the NDVI images. I am followin..." | Read more » | over 5 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 | |||
| aldrin | "sir, do you now the right values of white balance in pi noir in capturing ndvi? " | Read more » | almost 6 years ago |