How to use Realsense's Python wrapper PyRealsense with Jetson Nano


What is PyRealsense (pyrealsense2)?

A wrapper program for handling Intel's Depth camera Realsense in Python. With Python, you can easily get Realsense images and depth information.

It is very convenient when you want to acquire depth information after image recognition by deep learning using Python with Realsense.

For X86 PCs, you can easily install it with pip install pyrealsense, but with Jetson Nano on Arm, you need to devise something, so I will briefly introduce the setup method and how to use it.

In this article, Realsense assumes D435.

Build Librealsense from source

When using PyRealsense with Jetson Nano, you need to build the Realsense driver, Librealsense, from source.

Installation of required libraries

Install the required libraries.

$ sudo apt-get update
$ sudo apt-get install -y cmake

Note: I haven't set it up from scratch, so maybe there are other libraries I need. I will add it as soon as it becomes clear.

If you would like to carry out deep learning, please refer to the following article.

Deep learning with Jetson Nano

Build and install Librealsense

Download (git clone) Librealsense with the following command, build and install it.

$ cd && git clone
$ cd librealsense
$ mkdir build
$ cd build
$ cmake ../ -DBUILD_PYTHON_BINDINGS:bool=true
$ make -j4
$ sudo make install

Udev settings

Use the following command to set up udev to recognize Realsense via USB.

$ cd ~/librealsense
$ ./scripts/

Path setting

Add a path.

$ export PYTHONPATH=$PYTHONPATH:/usr/local/lib

You must add the pass every time. If it is troublesome, add the above command to ~ / .bashrc.

Operation check

Let's run the sample program.

$ cd ~/librealsense/wrappers/python/examples
$ python3

As shown below, I was able to get the color image and depth information of Realsense with Python.


If you look at the source code, you can understand how to use it to some extent. The document is as follows.

PyRealSense’s documentation


Related article

Jetson Nano related tips

How to use Intel Realsense D435 with Jetson Nano (ROS compatible)

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