====== OpenCV ======

[[https://opencv.org/ | OpenCV ]] is a popular open-source library for Computer Vision and Image processing Applications.

===== Install OpenCV =====

Install the libraries for C++ and Python
```shell
$ sudo apt update
$ sudo apt install libopencv-dev python3-opencv
```

===== Get source code =====

Clone the examples [[gh>sravansenthiln1/opencv-demos]]

```shell
$ git clone https://github.com/sravansenthiln1/opencv-demos
$ cd opencv-demos
```

The example demos consist of C++ and Python examples to try.

===== Run Examples =====
==== Taking the Image Manipulation examples in C++ ====
=== Enter the example directory ===
```shell
$ cd C++/image-manipulation
```

=== Compile the application ===
```shell
$ make
```

=== Copy the sample data ===
```shell
$ cp ../../samples/flower.png sample.png
```

=== Run the example ===
```shell
$ ./main
```

==== Taking the Image Manipulation examples in Python ====
=== Enter the example directory ===
```shell
$ cd Python/image-manipulation
```

=== Copy the sample data ===
```shell
$ cp ../../samples/flower.png sample.png
```

=== Run the example ===
```shell
$ python3 main.py
```