Add note to installation doc for Debian distros

PiperOrigin-RevId: 510317890
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MediaPipe Team 2023-02-16 20:26:01 -08:00 committed by Copybara-Service
parent 4ed9f507ad
commit 223c504d81

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@ -67,6 +67,13 @@ install --user six`.
libopencv-video-dev
```
**Note**. On Debian 11/Ubuntu 21.04 where OpenCV 4.5 is installed with
`libopencv-video-dev`, `libopencv-contrib-dev` should also be installed.
```bash
$ sudo apt-get install -y libopencv-contrib-dev
```
MediaPipe's [`opencv_linux.BUILD`] and [`WORKSPACE`] are already configured
for OpenCV 2/3 and should work correctly on any architecture: