Public Lab: Can you process multiple images at the same time?

Question:Can you process multiple images at the same time?

JonathanM32 asked on January 09, 2017 16:05
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What I want to do or know

So I am neew to Infragram and I want to know how to batch process multiple Images.

Background story

I have a number of infragram images from a Raspberry Pi NoIR. I ultimately wish to compile them into a video that is NDVI. How can I accomplish this?

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2 Answers

Hi, there are a few ways you might do this:

There's a Python library for command line use that can be run on image sequences or videos: https://github.com/publiclab/infrapix
There's also this prototype I've been working on a bit which lets you drag an image into a sequence of processing steps, and it could be adapted for batch processing of NDVI as well, but it'd be a while before it's ready: https://github.com/jywarren/image-sequencer
There's the Photo Monitoring Plugin for ImageJ, which is (i think) scriptable -- https://publiclab.org/wiki/photo-monitoring-plugin

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I have used Ned's plugin for Fiji (https://publiclab.org/notes/nedhorning/01-13-2016/packaged-photo-monitoring-plugins-available-on-the-github-repositoy) to convert an NGB video into NDVI. See this note: https://publiclab.org/notes/cfastie/06-05-2013/bee-movie-ii. This will work for RGN videos too.

Fiji allows videos to be opened as a stack of individual frames. Then the Photomonitoring plugin can convert each frame into NDVI and Fiji can output a video from the stack.

Chris