| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| Rayishido | "Hi, Iam back with some update on the project. I didn't tweak the program but I brought the written 87 filter. and put everything on my phantom 2. ..." | Read more » | about 8 years ago | |||
| cfastie | "There is a discussion of common materials with spectral data in the comments here: https://publiclab.org/notes/LaPa/03-31-2016/raspberry-noir-cam-..." | Read more » | about 8 years ago | |||
| Gianni_Gadaleta | "excellent article Chris. based on your experience you can advise us some targets already spectrally characterized, so we can finally start using th..." | Read more » | about 8 years ago | |||
| cfastie | "You betcha there's research about how mammal grazing and browsing impact carbon and nutrient cycles. A couple of my buddies from graduate school de..." | Read more » | about 8 years ago | |||
| pdhixenbaugh | "Awesome techniques! Is there any research on the guiding assumption that deer have an effect on the amount of carbon sequestered? I would imagine ..." | Read more » | about 8 years ago | |||
| patcoyle | "Chris, Very nice results. Interesting. I love the venison steak in the closing remarks of the video. Pat " | Read more » | about 8 years ago | |||
| viechdokter | "The last point would be easiest to test: test a no-brand lamp with the same setup and the same power source and do the same stats on the results. " | Read more » | about 8 years ago | |||
| warren | "Great questions. I do think @stoft is mostly interested in intensity stability for the moment but both are good questions. I'm interested in wheth..." | Read more » | about 8 years ago | |||
| viechdokter | "Yeah I had a look at stoft's post and was very impressed about his orderly and organised way of doing things. I built my spectrometer 3 weeks ago a..." | Read more » | about 8 years ago | |||
| warren | "Wow, this is so great to see very close to @stoft's post: https://publiclab.org/notes/stoft/04-14-2016/spectrometer-stability Were you able to ass..." | Read more » | about 8 years ago | |||
| cfastie | "I like #4 too. I don't have a good answer for the type of glue. Something thick and quick drying. It does not have to be sticky, it just has to for..." | Read more » | about 8 years ago | |||
| talha | "Thank you very much for your quick and informative answer, Mr. Chris. Among those choices, which one do you suggest? To me, #4 looks ideal (light c..." | Read more » | about 8 years ago | |||
| cfastie | "The new filter can be put several different places: stick it on the front of the lens. Build a frame to hold it in front of the lens: https://pub..." | Read more » | about 8 years ago | |||
| talha | "I'm getting crazy, there is massive amount of talk about mobius conversions but there is no single guidance for converting the mobius for ndvi. I'v..." | Read more » | about 8 years ago | |||
| Matthew318 | "Using a heat gun allowed a clean removal of the filter, much easier than smashing. Would recommend just getting a $20 heat gun from home depot. " | Read more » | about 8 years ago | |||
| cfastie | "This is a good example of how the spectrum of incident light influences the NDVI of a scene. Leaves reflect about 10 times more NIR than red, but i..." | Read more » | over 8 years ago | |||
| aldehyde | " I used of Mobius infragam cam (red filter) in Grow Chamber. Light - RED and BLUE (3:1) LED. As I understand this is due to lack of NIR and lot ..." | Read more » | over 8 years ago | |||
| nedhorning | "Here are a couple links that should help you get started: https://publiclab.org/wiki/infragram https://publiclab.org/notes/mlamadrid/12-08-2015/pho..." | Read more » | over 8 years ago | |||
| ino | "hello, I have a infrared-visible camera, how i get the NDVI image? " | Read more » | over 8 years ago | |||
| cfastie | "I answered Mnzr's question here: https://groups.google.com/forum/#!topic/plots-infrared/HfowVn5ULFM " | Read more » | over 8 years ago | |||
| mnzr | "@cfastie Hello I'm working on a project in which we see how a person's exposure to plants affects them. Currently we have a wearable sensor with th..." | Read more » | over 8 years ago | |||
| cfastie | "The red filter in your Mobius is blocking most blue light but passing most of the NIR light in the scene. The blue channel receives little other vi..." | Read more » | over 8 years ago | |||
| aldehyde | "@cfastie I use of Mobius infragam cam (red filter) in Grow Chamber. Light -CFL. Received of infrared image Fig 1 and Fig 2. - after processing in ..." | Read more » | over 8 years ago | |||
| cfastie | "I am not sure what your question is. I assume the red LEDs emit some NIR, but maybe not very much. With only red and blue LEDs, the amount of NIR r..." | Read more » | over 8 years ago |