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How to install OpenCV 4.5.2 with CUDA 11.2 and CUDNN 8.2 in Ubuntu 20.04

First of all install update and upgrade your system:

    $ sudo apt update
    $ sudo apt upgrade

Then, install required libraries:

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Install Golang 1.9:

wget https://storage.googleapis.com/golang/go1.9.linux-armv6l.tar.gz
sudo tar -C /usr/local -xzf go1.9.linux-armv6l.tar.gz
export PATH=$PATH:/usr/local/go/bin # put into ~/.profile

If already installed old golang with apt-get:

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• Gstreamer Pipeline Samples
  • Video
    • display test video
    • record to file
    • record and display at the same time(queue)
    • record webcam to *.mp4(jetson nano)
    • fps test
  • Audio
  • Mux Video and Audio
• Media File

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# Dummy HTTPS server
# Taken from : https://gist.github.com/dragermrb/108158f5a284b5fba806 and other repos
import http.server
import cgi
import base64
import json
from urllib.parse import urlparse, parse_qs
import ssl
import os
import socketserver

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#!/bin/bash
#
# Build gstreamer for Raspberry Pi
# Edit the SRC and DEST environment variables at the top and then
# run this script. You'll need to add the following two envronment
# variables to your .profile
#
#   LD_LIBRARY_PATH="${LD_LIBRARY_PATH}:${PREFIX}/lib"
#   PATH="${PATH}:${PREFIX}/bin"
#