Error while building package for ros

asked 2015-03-25 08:25:45 -0600

I am using opencv 3

[ 40%] Building CXX object CMakeFiles/stereo_image_proc.dir/src/libstereo_image_proc/processor.cpp.o
In file included from 

 /Users/Matt/ros_catkin_ws/src/image_pipeline/stereo_image_proc/src/libstereo_image_proc/processor.cpp:35:
 /Users/Matt/ros_catkin_ws/src/image_pipeline/stereo_image_proc/include/stereo_image_proc/processor.h:67:22: error: 
    use of undeclared identifier 'createStereoBM'
    block_matcher_ = createStereoBM();

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I am sorry but this is an OpenCV forum and not a ROS forum, since they are wrapping OpenCV into a ROS node, I guess you better pose your questions here.

StevenPuttemans ( 2015-03-25 09:11:53 -0600 )edit

I made a post on the ROS forum, but since the root of the problem seems to be due to the opencv library I assumed that this would be a better place to post.

Mr. CEO ( 2015-03-25 17:52:56 -0600 )edit

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answered 2015-03-26 03:00:08 -0600

StevenPuttemans

20029 ●16 ●82 ●207 http://stevenputtemans...

Well actually it seems that there is an include wrong but those header files are not standard OpenCV header files. What you need to do is open that processor.h file and add an include to the module that contains createStereoBM. As you can see here this function is now in OpenCV3.0 inside the cuda namespace, so first check whether you got a using namespace cv::cuda; command in your header OR add cuda::createStereoBM in the file. Probably that is your problem, the fact that the module and header structure changed.

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I am now getting the error

no member named 'createStereoBM' in namespace 'cv::cuda'

If it makes a difference I am using the homebrewed version of opencv3

Mr. CEO ( 2015-03-26 13:00:19 -0600 )edit

Did you include the correct header files?

StevenPuttemans ( 2015-03-27 03:19:58 -0600 )edit

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Error while building package for ros

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