compile error OpenCV core not found 
compile error OpenCV core not found 

The cmake variable is incorrect for the opencv component.

https://github.com/opencv/opencv/blob/master/cmake/templates/OpenCVConfig.cmake.in
stereolabs/zed-ros-wrapper,maciejmatuszak/zed-ros-wrapper,stereolabs/zed-ros-wrapper,maciejmatuszak/zed-ros-wrapper,maciejmatuszak/zed-ros-wrapper,stereolabs/zed-ros-wrapper