[英]Conflict between OpenCV 4 and cv_bridge in ROS Node
I'm starting a project with OpenCV with ROS and i need to use xfeatures2d that is in opencv_contrib.我正在使用带有 ROS 的 OpenCV 开始一个项目,我需要使用 opencv_contrib 中的 xfeatures2d。 I follow this instructions and modify my CMake File in this way:
我按照此说明以这种方式修改我的 CMake 文件:
cmake_minimum_required(VERSION 3.0.2)
project(visual_odometry)
find_package(catkin REQUIRED COMPONENTS
cv_bridge
image_transport
roscpp
rospy
sensor_msgs
nav_msgs
geometry_msgs
std_msgs
)
find_package(OpenCV 4 REQUIRED)
catkin_package()
include_directories(
# include
${catkin_INCLUDE_DIRS}
${OpenCV_INCLUDE_DIRS}
)
add_executable(show_image src/show_image.cpp)
target_link_libraries(show_image
${catkin_LIBRARIES}
${OpenCV_LIBRARIES})
add_executable(show_video src/show_video.cpp)
target_link_libraries(show_video
${catkin_LIBRARIES}
${OpenCV_LIBRARIES})
add_executable(visual_Odometry src/visual_Odometry.cpp)
target_link_libraries(visual_Odometry
${catkin_LIBRARIES}
${OpenCV_LIBRARIES})
After catkin_make
: catkin_make
之后:
/usr/bin/ld: warning: libopencv_imgproc.so.4.5, needed by /usr/local/lib/libopencv_xfeatures2d.so.4.5.3, may conflict with libopencv_imgproc.so.3.2
During run time, some functions of imgproc like CLAHE algorithm doesn't work and my node stop to work.在运行期间,imgproc 的某些功能(如 CLAHE 算法)不起作用,我的节点停止工作。
When i build with catkin_make, cv_bridge find opencv3.2 default in ros, but my node find opencv4 thanks to CMake file.当我使用 catkin_make 构建时,cv_bridge 在 ros 中找到 opencv3.2 默认值,但由于 CMake 文件,我的节点找到了 opencv4。 So, can I fix this?
那么,我可以解决这个问题吗? It is possible build in opencv3.2 a opencv_contrib?
可以在 opencv3.2 中构建一个 opencv_contrib 吗? It is possibile to change the version of opencv in cv_bridge?
cv_bridge中opencv的版本可以改吗?
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