ubuntu18.04 ros 用 opencv3.2.0 版本,设置 cmake 找到 OpenCVConfig.cmake
CMakeLists.txt 文件里 find_package 之前加一行 set...
set(OpenCV_DIR "/usr/local/opencv3.2.0/share/OpenCV/") //去掉即报错
find_package(catkin REQUIRED COMPONENTS
cv_bridge
image_transport
roscpp
sensor_msgs
std_msgs
)