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blob tracking in usb_cam?

How do I do blob tracking in usb_cam?

I loaded usb_cam package in the bosch_drivers, and followed Pharos test bed

http://pharos.ece.utexas.edu/wiki/index.php/How_to_Use_a_Webcam_in_ROS_with_the_usb_cam_Package

to try it out.

I saw another cam package on Pharos mention blob tracking (launch looks similar). Where is documentation on how to do blob tracking on usb_cam?

Thanks, Alan

blob tracking in usb_cam?

How do I do blob tracking in usb_cam?

I loaded usb_cam package in the bosch_drivers, and followed Pharos test bed

http://pharos.ece.utexas.edu/wiki/index.php/How_to_Use_a_Webcam_in_ROS_with_the_usb_cam_Package

to try it out.out. I got the video window OK!

I saw another cam package on Pharos mention blob tracking (launch looks similar). Where is documentation on how to do blob tracking on usb_cam?

Thanks, Alan