sir I am researcher in Punjab agricultural university Ludhiana, Punjab (India ). I have bought your camera for NDVI calculation of the corn field for my project work. 1) I used infragram for image analysis but after uploading image of IR camera and select NDVI for point and shoot camera option on red filter then I select HSV mode.then I obtain red and yellowish image but after that how will I know the NDVI value. please guide me and tell me full process so that I am able to find NDVI. 2) secondly I want to know the about that how I can take image automatically after ever 2 second interval of time without pressing the shutter key since we are installing IR camera on drone take images at high altitude and take images. 3) third thing I want to know about camera viewing angle on both the axis, so that I can fly my drone according to the field of view. I have 1.4 acres of field & 36 plots of size 16*10 metres & I want to calculate NDVI of each plot... please send me all details as early as possible so i can able to find NDVI of the field and complete my project work.... waiting for your reply...
to know process of NDVI calculation through point and shoot infrared camera
by rajsan1108
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September 18, 2015 07:59
18 Sep 07:59
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| #12223
| #12223
1 Comments
To set the Mobius camera to take a photo every few seconds, install msetup from here: https://www.mobius-actioncam.com/downloads-info/. Under Photo Mode there are options for time-lapse.
I don't think infragram.org displays the color table and NDVI values. The NDVI image below was made with the Photo monitoring plugin for Fiji (http://publiclab.org/notes/nedhorning/07-22-2015/introducing-the-calibration-plugin-for-imagej-fiji)
With the Fiji plugin you can make a floating point image that has the actual NDVI values in each pixel. Below is such an image with a graph of the NDVI values in a transect through the field (yellow marquee). Individual rows of crops can be distinguished in the profile.
Chris
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