| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| suman | "Dear Chris, First of all thanks for your prompt reply. I have few more things which i am confused about: 1. If i put a red filter,..." | Read more » | over 7 years ago | |||
| cfastie | "When the NIR cut filter is removed from a camera, all three color channels capture NIR light in addition to the color they originally captured (R, ..." | Read more » | over 7 years ago | |||
| suman | "Can i know the real use of adding the filters....just taking off the infrared filter and getting RGB IR channels and separating those channels late..." | Read more » | over 7 years ago | |||
| FrankA | "Hi Suman. This is my setup… Mobius Action cam Docking station + Foam anti vibration tubing… all held on with quick release cable ties. I have the..." | Read more » | over 7 years ago | |||
| suman | "Dear FrankA, Greetings from Nepal, I have a mobius actioncam ( Green Blue and Near Infrared ) which is modified to take near infrared spectrum for..." | Read more » | over 7 years ago | |||
| cfastie | "Finding inexpensive, do-it-yourself calibration targets is an obstacle to NDVI calibration. You need targets for which the spectral reflectance is ..." | Read more » | over 7 years ago | |||
| J_tanna | "@cfastie sample image is like this, " | Read more » | over 7 years ago | |||
| J_tanna | "@cfastie On an agriculture land, How can we specify the targets for calibration? " | Read more » | over 7 years ago | |||
| cfastie | "Here is my discussion of calibrating NDVI images: https://publiclab.org/notes/cfastie/05-01-2016/calibration-cogitation And Ned's most recent note..." | Read more » | over 7 years ago | |||
| J_tanna | "@cfastie Thank you for your time. I have two more doubts in my mind, 1.) What are the steps that I need to apply for image calibration? 2.) What is..." | Read more » | over 7 years ago | |||
| cfastie | "With a blue filter which blocks only red light, the red channel will capture NIR. Use the red channel for NIR and the blue channel for visible ligh..." | Read more » | over 7 years ago | |||
| cfastie | "With a blue filter which blocks only red light, the red channel will capture NIR. Use the red channel for NIR and the blue channel for visible ligh..." | Read more » | over 7 years ago | |||
| J_tanna | "@cfastie What should be the formula of NDVI for NIR camera as it is blocking red light. " | Read more » | over 7 years ago | |||
| FrankA | "https://youtu.be/Vff--FWRfTo addendum how to file : sorry about the Clip quality.... NEW clip to follow in due course. I realised the Caiibration..." | Read more » | almost 8 years ago | |||
| TommyJJ | "That is absolutely amazing! Good job @patcoyle! Keep up the good work and please share more projects like this one with us :) " | Read more » | over 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 » | over 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 » | over 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 » | over 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 » | over 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 » | over 8 years ago | |||
| tonyc | "I wanted to verify the paperclip wasn't in danger of shorting anything out inside the camera, so opened it up to find it can come in contact with t..." | Read more » | almost 9 years ago | |||
| warren | "Wow, that's great, and so elegant! I'd never noticed that hole. " | Read more » | almost 9 years ago | |||
| tonyc | "Pat, we are going to be getting samples of Mobius cameras from the factory, preinstalled with 6mm and 8mm lenses. Hoping to be able to sell these t..." | Read more » | almost 9 years ago | |||
| tonyc | "Pat, we have an option to have different lenses installed at the factory. They are asking for a sample lens, and specs on what we'd want to have in..." | Read more » | almost 9 years ago |