| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| nedhorning | "The calibration coefficients are, in the simplest case, the slope and y-intercept of the linear regression line for wavelength (based on calibratio..." | Read more » | almost 6 years ago | |||
| Corymbia | "Thanks for the advice. How are the calibration coefficients calculated? I need to take photos of >50 trees in a glasshouse, so even within one s..." | Read more » | almost 6 years ago | |||
| nedhorning | " If you're using them for calibration you should be fine taking photos of the targets every so often. The calibration coefficients shouldn't change..." | Read more » | almost 6 years ago | |||
| Corymbia | "I realised that my tiles may be too shiny and grabbed some matt paint samples (pieces of matt paper) from a local store. They’re small and light, m..." | Read more » | almost 6 years ago | |||
| nedhorning | "I just read over Rob Sumner's RAW guide and see Adobe DNG Converter is free. It also looks like he did some pretty rigorous tests so my previous co..." | Read more » | almost 6 years ago | |||
| nedhorning | "The tables look great. Before the end of the week I'll try to compare your converted image with on that I run through dcraw to see if they are simi..." | Read more » | almost 6 years ago | |||
| Corymbia | " Hi Ned, Thanks for your comment, it was mainly your notes that inspired my camera conversion :) I (hope I) fixed the tables by inserting print sc..." | Read more » | almost 6 years ago | |||
| nedhorning | " Hi Corymbia – It’s nice to see some new work in this area. I see that you used the Adobe DNG converter. You might want to look into that to under..." | Read more » | almost 6 years ago | |||
| maykef | " " | Read more » | about 6 years ago | |||
| maykef | "Some new pictures taken with the Multispectral camera: " | Read more » | about 6 years ago | |||
| maykef | "Sure. " | Read more » | about 6 years ago | |||
| warren | "Wow, very cool. Could you post a pic of the dual cameras too? " | Read more » | about 6 years ago | |||
| maykef | "Here is the picture for better appreciation: " | Read more » | about 6 years ago | |||
| maykef | "Registration is done in Matlab as per this tutorial: https://uk.mathworks.com/help/vision/examples/find-image-rotation-and-scale-using-automated-fe..." | Read more » | about 6 years ago | |||
| maykef | "Is this the correct order of the filters? " | Read more » | about 6 years ago | |||
| warren | "Ah, but perhaps you're using the wrong filter setting in Image Sequencer -- it looks like potentially the NDVI values are inverse? " | Read more » | about 6 years ago | |||
| warren | "WOW!!! Was that generated onboard the Pi, or in post-processing? @xose @imvec take a look! " | Read more » | about 6 years ago | |||
| maykef | "Instant trigger in both cameras: " | Read more » | about 6 years ago | |||
| maykef | "CM Module carrier board designed for the multispectral camera. " | Read more » | about 6 years ago | |||
| warren | "Hi, I think that would be great. I'm trying to do an install of infragram in one recipe here, and if that works, I may do the same for image-sequen..." | Read more » | about 6 years ago | |||
| maykef | "Hi @warren, I like #image-sequencer. It would be very interesting to develop a variation of it customised for aerial imaging. It would have to incl..." | Read more » | about 6 years ago | |||
| warren | "Hi! This is awesome. You can find some more on related projects at #pi-camera and #raspberry-pi-infragram We're also working on a cool project to ..." | Read more » | about 6 years ago | |||
| maykef | "Hi MaggPi, Thanks for your comment. Picamera has a very simple de-mosaic algorithm. The way I've been analysing the images is by load them directl..." | Read more » | about 6 years ago | |||
| MaggPi | "It would be amazing if you could do this. I tried to capture RAW data but could never figure out how to de-mosaic, color balance and scale from 1..." | Read more » | about 6 years ago |