flir-image-extractor-cli 1.0.1.post4

A cli-tool to get thermal information out of FLIR radiometric JPGs

Flir Image Extractor CLI

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Feel free to submit any pull requests or issues, this is in active development. Also let me know if you are successful in using this on cameras not listed below.

FLIR® thermal cameras like the FLIR ONE® include both a thermal and a visual light camera. The latter is used to enhance the thermal image using an edge detector. The resulting image is saved as a jpg image but both the original visual image and the raw thermal sensor data are embedded in the jpg metadata.

This Python CLI that allows you to extract the original photo and thermal sensor values converted to temperatures, normalize the temperature range and output the photos to different color maps.

Requirements and Install

This tool relies on exiftool. It should be available in most Linux distributions (e.g. as perl-image-exiftool in Arch Linux or libimage-exiftool-perl in Debian and Ubuntu). Links for downloading the Mac version and more information is available on the ExifTool site.

It also requires other python packages, matplotlib, numpy and pillow, which are installed when installed through pip.

sudo apt update
sudo apt install exiftool

You can install the CLI using pip

pip install flir-image-extractor-cli

Usage

On Ubuntu you can start using the terminal.

flir-image-extractor-cli

Resulting Plot and Saved Images

The CLI is able to output 3 folders of images with the bwr, gnuplot, and gist_ncar colormaps from matplotlib. You can define the pallete(s) that you would rather use.

Supported/Tested Cameras

• Flir One (thermal + RGB)
• Xenmuse XTR (thermal + thumbnail, set the subject distance to 1 meter)
• AX8 (thermal + RGB)

Other cameras might need some small tweaks (the embedded raw data can be in multiple image formats). Let me know if you succesfully use other cameras so they can be added to this list.

Development

Install the required packages using Pipenv. Then run pre-commit install to install the pre-commit hooks.

Credits

This CLi was developed using this repo: https://github.com/Nervengift/read_thermal.py