[ros-users] OpenCV cv::Mat to CvMat
prosteen at ufl.edu
Wed Jul 21 22:22:14 UTC 2010
Hi I have written a ROS node that implements a camera calibration
given intrinsic parameters and a chessboard pattern.
I want to use FindExtrinsicCameraParams2, and it would be nice to
have a templated cv:: function for it, but I cannot find one
anywhere in my environment. Is the ROS version of OpenCV missing
any C++ functionality versus OpenCV2.1?
So, I resorted to trying to convert the cv::Mat objects I have to
CvMat objects using the simple operator. I assume, since there is
no data copying, that the matrix header is the only change made. I
also assume that I can use the cvFindExtrinsicCameraParams2
function with my newly-created CvMat objects.
I run into an error, however, since I cannot directly copy-paste
my code so here's a quick rundown.
// I have a populated STL vector of Mats
//I create cv::Mats
//Then, populate all of them except tvec,rvec
//Then copy to the old CvMat struct
CvMat distortion_old = distortion;
// Then call cvFindExtrinsicCameraParams2
OpenCV Error: Incorrect size of input array (Either the number of
channels or columns or rows must be =1) in
I am running boxturtle on Ubuntu Karmic 2.6.31-14. Thanks for any
BS Aerospace Engineering, University of Florida
MS Mechanical Engineering, University of Florida
Research Assistant, Center for Intelligent Machines and Robotics
Researcher, Grupo de Sistemas y Automatica, Universidad de
Robotics Research Engineer, Motile Robotics Inc
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