1. Description

This page mainly describes how to install OpenCV 3.4.9.

And also records the problems encountered and how to resolve.

OpenCV official website: https://opencv.org/

2. Installation

OpenCV 3.4.9

Support CUDA 10~10.2

1. Prerequisites

• Windows
• Ubuntu

2. Command

• Windows
• Ubuntu

3. Issue & How to resolve

• xfeatures2d/vgg: Download failed: 1;"Unsupported protocol"

OpenCV 3.3.0

Support CUDA 9.0

1. Prerequisites