Uninstalling OpenCV 4.8.0 from agx orin developer kit (64GB) l4t 36.3

sneha.k · January 8, 2025, 12:52pm

I have installed OpenCV 4.8.0 as shown in the figure with sudo apt install nvidia-jetpack command, however this build does not support Gstreamer capability which i require for building video applications.

Is it possible to enable Gstreamer with current installation of OpenCv 4.8.0? If yes, Please share the procedure for the same.

I have read from the reference material on internet that we need to first remove current opencv installation and then build a new one. I tried with this command “sudo apt-get --purge remove opencv-data python-opencv libopencv-dev” but was not successful.

Kindly help us to resolve the issue.

carolyuu · January 8, 2025, 1:00pm

Hi,
Here are some suggestions for the common issues:

1. Performance

Please run the below command before benchmarking deep learning use case:

$ sudo nvpmodel -m 0
$ sudo jetson_clocks

2. Installation

Installation guide of deep learning frameworks on Jetson:

TensorFlow: Installing TensorFlow for Jetson Platform - NVIDIA Docs
PyTorch: Installing PyTorch for Jetson Platform - NVIDIA Docs
We also have containers that have frameworks preinstalled:
Data Science, Machine Learning, AI, HPC Containers | NVIDIA NGC

3. Tutorial

Startup deep learning tutorial:

Jetson-inference: Hello AI World guide to deploying deep-learning inference networks and deep vision primitives with TensorRT and NVIDIA Jetson
TensorRT sample: Jetson/L4T/TRT Customized Example - eLinux.org

4. Report issue

If these suggestions don’t help and you want to report an issue to us, please attach the model, command/step, and the customized app (if any) with us to reproduce locally.

Thanks!

AastaLLL · January 9, 2025, 3:19am

Hi,

The default OpenCV doesn’t have GStreamer support.
Please build it from the source.

You can find an automatically building script below:

github.com

AastaNV/JEP/blob/master/script/install_opencv4.9.0_Jetpack6.0.sh

#!/bin/bash
#

version="4.9.0"
folder="workspace"

set -e

for (( ; ; ))
do
    echo "Do you want to remove the default OpenCV (yes/no)?"
    read rm_old

    if [ "$rm_old" = "yes" ]; then
        echo "** Remove other OpenCV first"
        sudo apt -y purge *libopencv*
	break
    elif [ "$rm_old" = "no" ]; then
	break
    fi

This file has been truncated. show original

Thanks.

sneha.k · January 9, 2025, 4:24am

Thank you for your response. We will follow the step.

sneha.k · January 9, 2025, 6:32am

Can we add version=“4.8.0” in .sh file, as you mentioned in install_opencv4.9.0_Jetpack6.0.sh.

AastaLLL · January 13, 2025, 6:57am

Hi,

Suppose yes, please give it a try.
Thanks.

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Uninstalling OpenCV 4.8.0 from agx orin developer kit (64GB) l4t 36.3

1. Performance

2. Installation

3. Tutorial

4. Report issue

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