plant-health
plant-health


Author Comment Last activity Moderation
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 » over 5 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 » over 5 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 » over 5 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 » over 5 years ago
Corymbia "Hi Chris, I made a simple test earlier today, so far only managed to look at the JPEG file data (I have an old code for reading DNG into Matlab (ba..." | Read more » over 5 years ago
cfastie " One photo every 50 shots might be sufficient. It depends on how much the light changes during that time (5 minutes?, an hour?, a day?). You might ..." | Read more » over 5 years ago
Corymbia " Hi Chris, Thanks for your answer! Very helpful. 1) Regarding the reflectance targets. I bought a dozen of ceramic tiles in different colours (inc..." | Read more » over 5 years ago
cfastie " You are correct that your multi-day observation will present some problems. It is possible that doing a custom white balance on each day will comp..." | Read more » over 5 years ago
Corymbia " Hi Chris, Many thanks. I managed to get a DB660/850 filter and should have my camera (Olympus E-M10 Mark II) converted this week. It did cost an a..." | Read more » over 5 years ago
cfastie "The primary advantage of dual band filters is that they pass much narrower bands of wavelengths than red or blue filters (which also pass NIR). Th..." | Read more » over 5 years ago
Corymbia "Hi, thanks for the post. I'm planning to re-convert my NIR-adapted camera (currently with a blue filter) due to its rather poor performance in dete..." | Read more » over 5 years ago
CD3000 " MaggPi very interesting project. Was there a link for status/instructions? I also noticed David Prutchi of Hacketeria had an interesting multi-b..." | Read more » over 5 years ago
CD3000 "Very beautiful observation! My hypothesis is that chloroplast density is less in new vegetation, but also reflectance/absorbance/transmittance is ..." | Read more » over 5 years ago
amirberAgain "Here is an interesting curveball - I just started using this implementation of rfcnn. It would be really interesting to see if can be used to solve..." | Read more » about 6 years ago
cfastie "Blueish photos result when the blue channel is brighter than the other channels. Reddish or orangeish photos result when the red channel is brighte..." | Read more » over 6 years ago
amirberAgain "Here's an intro the Pytourch, one of the more popular ML/AI frameworks which could be relevant for this project! https://github.com/bayesianio/appl..." | Read more » over 6 years ago
Bronwen "Thanks for posting, @MaggPi, this project looks really exciting! We've linked to it on some of our social media, to give it some attention, but if ..." | Read more » over 6 years ago
cfastie "The photos were processed with the Photo Monitoring plugin for FIJI which has a complete users guide. If you have any questions you can describe an..." | Read more » about 7 years ago
saangpe "You could give more details about how to process the images with Fiji and tried to replicate this but I can not make the results conform to the sca..." | Read more » about 7 years ago
sujayj "@cfastie This is very interesting. Thank you! " | Read more » about 7 years ago
cfastie "Yes, we are going to change the pixel values in our photo. For each pixel in the photo we have taken of vegetation, we use the DN in the red channe..." | Read more » about 7 years ago
sujayj "@cfastie This is a very informative article. However, It isn't clear what is to be done after obtaining the final graph as you've shown. Are we goi..." | Read more » about 7 years ago
cfastie "The lamp post, the wall, and parts of the tree trunk are all very dark. It is a common artifact that NDVI computed for dark areas of photos is not ..." | Read more » over 7 years ago
spandan1234 "Hi cfastie, I need a little help here. Following your suggestions I did all the calibrations required and the results were great. But in the last f..." | Read more » over 7 years ago