Encountered: “Could Not Find a Package Configuration File Provided by “OpenCV”” When Building Demos Using OpenVINO™ 2022

• Ran the following command to build Open Model Zoo demos:

  source build_demos.sh

• Encountered the following error:

  Could not find a package configuration file provided by OpenCV* with any of the following names:
  OpenCVConfig.cmake
  opencv-config.cmake

For Linux OS:

Run the following command to install OpenCV* from default Ubuntu* repositories:

sudo apt update
sudo apt install libopencv-dev python3-opencv

For Windows OS:

1. Download OpenCV* windows package on the official OpenCV releases page Windows archive contains VC postfix, e.g.: opencv-4.6.0-vc14_vc15.exe
2. Extract the archive
3. Setup environment variables by running the script opencv\build\setup_vars_opencv4.cmd
4. Run the following command in command prompt:

   set "OpenCV_DIR=<OpenCV_Installation_Dir>\opencv\build"

Refer Install prebuilt OpenCV* for additional information.