problem with interfacing webcam in matlab in ubuntu system

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Kishore
Kishore on 27 Jul 2014
hello i'm trying to interface my laptop webcam with matlab image acquisition tool,
i'm using matlabR2013 in ubuntu trusty thar
it all works fine upto 'creating a video input object' but after that when i use the command 'preview(vid)' (here vid is the video input object) it does not work. The matlab displays a error message ' the device may be in use '
Additional note: after using the 'preview' command i find that my default webcam application also does not work until i use the 'imaqreset' command. note2: also i'm using the option 'linuxvideo'

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