opencv_cam

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Hi, glad to see this project that support intra process transport! zero-copy IPC through rclcpp loaned-api is the other option to avoid copy thus reducing the tansport latency and cpu...

ZhenshengLee

Changing a parameter currently has no effect. Restart the video capture whenever a parameter changes.

clydemcqueen

Export a header file to support manual node composition. The header file need only contain a factory method, ala https://github.com/ptrmu/fiducial_vlam_sam/blob/master/fiducial_vlam/include/fiducial_vlam/fiducial_vlam.hpp

clydemcqueen

It would be nice to have the equivalent of imshow for debugging.

clydemcqueen

Parameter specifies to loop and play video file again.

1

ptrmu

If streaming from a video camera: use get(CAP_PROP_POS_MSEC) as the time stamp of the message. (If this works). If playing back a file: Instead of now() use some calculation based...

ptrmu

I want to run the node `ros2 run opencv_cam opencv_cam_main ` with a csi camera in a jetson nano and it is publishing a green screen. `file = false filename...

thiagoblanco99

cannot build the opencv_cam files

1

Hello Guys, I am using ubuntu 20.04 and ros2-galactic running in virtualbox. I am using logitech C615 camera for calibration etc. I am trying to build the files as mentioned...

nabeeljadoon