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I am trying to get a NDVI image from an RGB + NIR image captured by a modified Cannon S110 camera bought from Event38 along with a 3DR Iris+ drone link

The image captured with the camera looks like this Image captured with modified camera

I have previously experimented with python and rasterio and successfully calculated an NDVI image from 2 images (one RGB and one NIR).

Researching around the internet I have found this to be achievable from one image. However I haven't found any image manipulation library to be helpful.

Can someone with more experience in this offer any guidance? Any programming language is welcome.

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This tutorial might be interesting for you.

You can access the indivudal bands (you need red and NIR) and calculate the NDVI from that.

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