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I was having the same problem trying to use create_webcam. It looks like there is just something wrong with whatever version of opencv gets installed through the ros repositories. My quick and dirty solution was to compile/install opencv from source, and then copy all of the libraries into the ros opencv/lib directory: $ roscd opencv2/opencv $ sudo mv lib/ lib.orig/ $ mkdir lib $ cd lib $ sudo cp <path to="" opencv="" binaries="">libopencv* ./

Hopefully ros will get this sorted out soon, but this fix is working for me at the moment.

I was having the same problem trying to use create_webcam. It looks like there is just something wrong with whatever version of opencv gets installed through the ros repositories. My quick and dirty solution was to compile/install opencv from source, and then copy all of the libraries into the ros opencv/lib directory: directory:

$ roscd opencv2/opencv opencv2/opencv

$ sudo mv lib/ lib.orig/ lib.orig/

$ mkdir lib lib

$ cd lib lib

$ sudo cp <path to="" opencv="" binaries="">libopencv* ./

Hopefully ros will get this sorted out soon, but this fix is working for me at the moment.