I am using Ubuntu 15.04 and jade version of ROS. I am trying to use the usb camera by the method given in the book on page 187. My camera is already good and I checked it by the "cheese" method explained in there. Here is what I am doing
$ sudo apt-get install ros-jade-usb-cam
$ roslaunch chapter5_tutorials usb_cam.launch view:=true
here is what I am getting after doing this
[ERROR] [1453172400.684518103]: Webcam: expected picture but didn't get it...
[ERROR] [1453172400.684518103]: Webcam: expected picture but didn't get it...
Can any please tell me, how can I solve this problem?
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