ROS Resources: Documentation | Support | Discussion Forum | Index | Service Status | ros @ Robotics Stack Exchange
Ask Your Question

Getting coordinates through comparing .pgm files using opencv

asked 2016-02-27 10:29:00 -0600

Avonic gravatar image

updated 2016-02-27 22:09:15 -0600

1 - Generated the .pgm files through gmapping using LIDAR data.

-- One with partial map

-- One with map of the whole area

Trying to:

2 - Use opencv to compare the maps

3 - To get the coordinates of the lidar at the partial map

-- For pinpointing this lidar in the full map

Above is the brief summary of the problem encountered. Anyone may have any advice or a direct solution.

Please and Thank You viewers.

edit retag flag offensive close merge delete

1 Answer

Sort by ยป oldest newest most voted

answered 2016-02-27 15:43:02 -0600

A variant of what you describe is implemented in the hector_mapstitch package. It can be used to align two maps with each other. When both robots run a SLAM system, their relative poses can be computed from the transform between the two maps and their location in their respective maps.

edit flag offensive delete link more


I am getting quite confuse with the ros_mapstitch function. Can you please advice me on that thank you.

Avonic gravatar image Avonic  ( 2016-03-01 02:55:46 -0600 )edit

Question Tools

1 follower


Asked: 2016-02-27 10:29:00 -0600

Seen: 667 times

Last updated: Feb 27 '16