| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| cfastie | "Yes, any photo can be processed using the NDVI equation to get an NDVI image. My answer above explains why the resulting NDVI image might not be ve..." | Read more » | over 6 years ago | |||
| warren | "Also see this related question: https://publiclab.org/questions/shaikhgous/11-18-2016/identify-plastic-material-using-infrared-imaging " | Read more » | over 6 years ago | |||
| KushalKC | "If there are apps for it, could you please name one of them. " | Read more » | over 6 years ago | |||
| KushalKC | "But the Public Lab has other thing to say. This page https://publiclab.org/wiki/multispectral-imaging points out that the image once taken from mod..." | Read more » | over 6 years ago | |||
| warren | "Hi, at least a couple years ago, I looked into this and it seemed there are ways with a custom app, but only on some Android phones. I'm not sure i..." | Read more » | over 6 years ago | |||
| anuj2017 | "nail place near me coc supercell play dream league soccer online " | Read more » | over 6 years ago | |||
| omarormachea | "Ifyou want to measure the spectra of various light bulbs, you can visit this web page: http://www.upb.edu/en/contenido/smartphone-spectrometer Yo..." | Read more » | over 6 years ago | |||
| Paquicamus | "If you live in USA: www.epa.gov/ground-water-and-drinking-water If you lice in Australia:https://www.nhmrc.gov.au/guidelines-publications/eh52 Mo..." | Read more » | over 6 years ago | |||
| cfastie | "I don't know how much LEDs vary in their NIR emission. But it's easy to add some NIR LEDs to the mix. There is an advantage to using only artificia..." | Read more » | over 6 years ago | |||
| Georgina | "Thanks for this guidance! " | Read more » | over 6 years ago | |||
| robotfarms | "Thanks for the in depth answer Chris! If i needed to use this system in low light or night, do you think I would need to add NIR light, or is there..." | Read more » | over 6 years ago | |||
| robotfarms | "Thanks William, I was going to have a play with it in regular RGB color too, and find the best solution. I can have a play with all the variables t..." | Read more » | over 6 years ago | |||
| cfastie | "The NIR illumination is probably not needed because daylight is a very consistent source of lots of NIR (although using NIR illumination at night c..." | Read more » | over 6 years ago | |||
| williampasco | "Hola, yo creo que no va ha ser de ayuda, ya que todas las plantas pueden usar esa luz para hacer la fotosíntesis. He tratado de hacer una diferenci..." | Read more » | over 6 years ago | |||
| stevie | "Hi there, great question. Bringing an answer over from @thegreencommunitygarden that was sent out on the main list: "Try the local cooperative exte..." | Read more » | over 6 years ago | |||
| SallyAbraham | "I need the help of the article about concept when any composition must be written by me. The essay was written myself by me thanks to it. The locat..." | Read more » | over 6 years ago | |||
| cfastie | "There are a couple of reasons that the photos from a modified NIR camera will not produce useful NDVI results unless some adjustments are made: N..." | Read more » | over 6 years ago | |||
| DavidMack | "FEMA Journal has links to mapping: https://fema.maps.arcgis.com/apps/MapJournal/index.html?appid=97f53eb1c8724609ac6a0b1ae861f9b5 Specifically: C..." | Read more » | over 6 years ago | |||
| marlokeno | "Thanks! " | Read more » | over 6 years ago | |||
| marlokeno | "OK, I found some promising links- https://www.jpl.nasa.gov/spaceimages/details.php?id=PIA21964 This link includes an example inset of part of San J..." | Read more » | over 6 years ago | |||
| BryceLTaylor | "I would like to document some of the cool stuff that is going on by filming it. there aren't particular things that I'd like to film, but would lo..." | Read more » | over 6 years ago | |||
| richardx | "NASA's disasters program has conveyed to the Federal Emergency Management Agency (FEMA) a guide of areas in eastern Puerto Rico that Do my Assignme..." | Read more » | over 6 years ago | |||
| cfastie | "I am intrigued to think about this topic in the context of earlier Public Lab discussions of expertise. Do you have to be an expert to be a leader?..." | Read more » | over 6 years ago | |||
| mollydb | "Session idea: Empowerment and leadership discussion (1 hour) - I have a growing interest in questions like: At what point to people become empowere..." | Read more » | over 6 years ago |