fiji
fiji


Author Comment Last activity Moderation
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 » about 8 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 » about 8 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 » about 8 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 » about 8 years ago
Rayishido "Hi Chris! You assumed right! :D The pictures was taken with the pi noir and the blue filter and turned off the automatic white balance to set my o..." | Read more » about 8 years ago
cfastie "Rayishido, I assume the orangish photo was taken with the PiNoir camera with a blue filter. By calibration I think you mean you used the AWB_gains..." | Read more » about 8 years ago
Rayishido "Hi! Thank you very much for your answers! I have downloaded Fiji and it's plugin and will test as soon as possible. This weekend I am going to mak..." | Read more » about 8 years ago
cfastie "Hi Rayishido, Nice Pi photos. Claytonb is correct about the shadows. It's a common artifact for dark areas to have very high NDVI values. In your ..." | Read more » about 8 years ago
Claytonb "@Rayishido -the high NDVI values is a normal occurrence with shadows. You will notice that the NDVI values will change in the shadows depending on ..." | Read more » about 8 years ago
patcoyle "Thanks Ned. I haven't used the tool lately, so haven't run into the problem. Appreciate all your work on this great capability. " | Read more » about 8 years ago
nedhorning "This error will occur if you run the Create NDVI from Image plugin without having an image displayed in ImageJ. I added an error message to the nex..." | Read more » over 8 years ago
azaelb "I am doing about the same thing as you: use small quadcopters with small cameras with red/blue filters to analyze NDVI for small farmers. I posted ..." | Read more » almost 9 years ago
aguchosolano "Interesting results..I wonder why around one of the cars it is also green " | Read more » over 9 years ago
patcoyle "Tried it, see Flikr images of results at: https://flic.kr/s/aHsk6uLNsu " | Read more » over 9 years ago
patcoyle "Haven't tried it, but this site discusses how to Correct Fisheye in GIMP http://classroom.synonym.com/correct-fisheye-gimp-19646.html " | Read more » over 9 years ago
eustatic "This looks really good, how do i translate the PTLens stuff into GIMP or BIMP, like the folks in Maine are posting about? " | Read more » over 9 years ago
patcoyle "Thanks Stewart, I appreciated your suggestions on correcting the distortions. " | Read more » over 9 years ago
gonzoearth "The lens distortion correction and NDVI look great! " | Read more » over 9 years ago
patcoyle "Thanks Chris. Your comment led me to a solution. Link to the Mac software is at: https://www.mobius-actioncam.com/softwareuser-guide/ I didn't actu..." | Read more » over 9 years ago
cfastie "Pat, It sounds like you are not using a very handy program to select the configuration settings for the Mobius. There is a good one for Windows (mS..." | Read more » over 9 years ago
airfix4 "Thank you. " | Read more » over 9 years ago
nedhorning "At this time it is not possible to use geo-reference data. If there is sufficient interest in that functionality I could try to add it but it's not..." | Read more » over 9 years ago
airfix4 "Hello, I'm new to the organization...and NIR technology in general. I have played some with the Photo-monitoring plug in. Great too by the way! Is ..." | Read more » over 9 years ago
aldehyde "Hello. how to calculate the chlorophyll content in terms of NDVI? " | Read more » over 9 years ago