delete opencv check

    fi

fi

# OpenCV installation check

echo "STEP 3: Check installation of OpenCV."

echo "INFO: Install OpenCV Python package in virtual environment."

pip3 install opencv-python

echo "INFO: Checking OpenCV installation..."

python3 -c "import cv2" 2>/dev/null

if [ $? -eq 0 ]; then

    opencv_version=$(python3 -c "import cv2; print(cv2.__version__)")

    echo "INFO: ✅ OpenCV is installed. Version: $opencv_version"

else

    echo "ERROR: ❌ OpenCV is not installed."

    echo "ERROR: Please install OpenCV before running this script."

    echo "INFO: Recommand install via Homebrew with command 'brew install opencv'."

    exit 1

fi

# Check data file hash

echo "STEP 4: Check data file hash."