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Author Comment Last activity Moderation
liz "@liz awards a barnstar to nedhorning for their awesome contribution! " | Read more » over 2 years ago
sl_axe "Thank your for this tool Ned. I am trying to create NDVI animations/videos using FIJI and the Photo Monitoring plug in. Here is my workflow: I r..." | Read more » over 2 years ago
warren "Also could be interesting to @maggpi -- check it out! " | Read more » over 4 years ago
sjmanosalvas "@carolccarvalho please your help, I trying to do a similar project for school, but I'm new with MATLAB program, Could you send your codes to implem..." | Read more » over 4 years ago
warren "Awesome, i added this info to the new activities on configuring Mobius cams: https://publiclab.org/wiki/infragram-point-shoot#Activities Thanks!!! " | Read more » almost 5 years ago
reversevector "I'm using an SJCam 4000, it's a cheap GoPro clone. It doesn't have custom white balance settings so I'm using incandescent with a red filter. I'm a..." | Read more » over 5 years ago
suman "I was curious to know which modified camera do you use? For my case, i am testing with Modified Mobius actioncam with wide angle A lens 87mm. If yo..." | Read more » over 5 years ago
reversevector "I'm also using VGYRM although I sometimes have to stretch the NIR value to get good results. " | Read more » over 5 years ago
suman "The macro was developed by Frank Aldiuos, a member of public labs. It basically is doing same thing as processing from the directory where all the ..." | Read more » over 5 years ago
reversevector "The Photo Monitoring plugin already has a command that generates NDVI from a folder full of images (Single image index processing from directory). ..." | Read more » over 5 years ago
cpegus "GIS and Icebergs - Hi Ned, I am a PhD student doing my research work on remote sensing of icebergs-- I am not sure if you will get this message but..." | Read more » almost 6 years ago
cfastie "I couldn't follow the arguments in that paper, so I don't know whether their modified NDVI formula is valid. They know the spectral sensitivity of ..." | Read more » over 6 years ago
ianrhiggins "I just started experimenting with my own NDVI camera rig and your posts/plugin are great. I have a question about the NDVI formula for a single ca..." | Read more » over 6 years ago
cfastie "Hi Rayishido, They are beautiful mosaics. I didn't have any problem using these images in Fiji. But the Photo Monitoring plugin does not do a very..." | Read more » over 6 years ago
Rayishido "VIS " | Read more » over 6 years ago
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 » over 6 years ago
cfastie "That's a good description of what the Rosco blue filter does. Both the blue and the red channels will have a mixture of visible and NIR light. The ..." | Read more » over 6 years ago
Rayishido "Hi! I was in the filed without internet. I wrote a program that trigger the photo on the second pi when a picture is taken with the first so it is..." | Read more » over 6 years ago
cfastie "other areas (not foliage) showed values between 0.2 and 0.9 and I don't know why, since there is no photosynthesis occuring there. Getting high ND..." | Read more » over 6 years ago
cfastie "Do you know how well synchronized the photo pairs are? Do you have to start them both taking photos at the same time, or synchronize their clocks? ..." | Read more » over 6 years ago
Rayishido "I am using 2 raspberry Pis (one camera on each) and I synchronize the shutters using interrupts. I had some strange behavior (one Pi taking more pi..." | Read more » over 6 years ago
cfastie "The NDVI image in my last comment was made by stretching only the NIR channel. The default is to stretch both NIR and VIS and that usually works we..." | Read more » over 6 years ago
Rayishido "Hi Chris, to obtain this picture you stretched the histogram of the visible or visible and IR. As far as I understand to make NDVI picture a visib..." | Read more » over 6 years ago
cfastie "Both NDVI images look good. Both seem to have some biological meaning and both have reasonable NDVI values in areas that are shady which is very go..." | Read more » over 6 years ago