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Instructions for setting up the egocentric RGB-D-Thermal camera system
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README.md

ego-rgbdt-camera-setup

Installing the drivers

After installing a version of Ubuntu, you will need to install two sets of drivers.

1. Intel Realsense SR300 (the depth camera)

To install this driver, you can use the Intel Realsense Cross-Platform API, following the instructions here. This is the same as the original Intel API with one additional file for running our setup.

2. Flir One (the thermal camera)

First, you need the header file libusb.h:

$ sudo apt-get install libusb-1.0-0-dev

Then, check that there is valid v412 driver:

$ sudo modprobe v4l2loopback

If you see an error like this: modprobe: FATAL: Module v4l2loopback not found, then you will need to compile the driver for your kernel. You can load only the kernel headers (as part of the packet linux-generic):

$ sudo apt-get install linux-headers-generic

Then, you can compile v412:

$ git clone https://github.com/umlaeute/v4l2loopback
$ cd v4l2loopback/
$ make
$ sudo make install

Now load video1 and video2 (because your notebook camera is probably video0):

$ sudo modprobe v4l2loopback video_nr=1,2

Finally, run this command:

$ /usr/bin/gcc '-I/usr/include/libusb-1.0'  -o flir1 flir8g-mint.c -lusb-1.0 -lm

Running the setup

To collect data, start by turning on the laptop with the thermal camera connected to a USB port, but the depth camera disconnected. Check with ls (e.g. ls /dev/video*) to make sure the video0/video1/video2 folders are all there. If not, run sudo modprobe v4l2loopback video_nr=1,2.

Start the flir camera driver:

$ sudo ./flir1

Plug in the depth camera to a USB 3.0 port (the port must be USB 3.0). Navigate to the librealsense/librealsense folder. Compile the examples/run_rgbdt.cpp file. Start the depth camera and save the image frames:

./bin/run_rgbdt

Images are saved in the librealsense/librealsense folder.

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