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## Step by step installation
Platform: Ubuntu 20.x
1. [OpenCV](git@github.com:opencv/opencv.git) v4.x+ recommended
`sudo apt install libopencv-dev`
2. LibRaw: install from source is recommended
step 1: download libraw package here: https://www.libraw.org/download
step 2: extract the pkg using `tar xzvf LibRaw-X.YY.tar.gz`
step 3:
```shell
cd LibRaw-X.YY
autoreconf -f -i
./configure # with optional args
make -j 10
```
step 4: `sudo make install`
3. Install `exiv2`(exiv2-0.27.3.tar.gz) : `apt install libexiv2-dev`
4. Run CMake to build
```shell
mkdir build
cd build
# Default release build will be used
cmake ..
make -j 10
```