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From: Michael on 6 Aug 2010 20:50
help snapshot

"Bluebird " <wlouis(a)ryerson.ca> wrote in message <i3hq7i$232$1(a)fred.mathworks.com>...
> I need to extract and process images from a webcam. The follwoing code does work however it is very slow (i.e. takes 0.67 to retrieve an image from the camera), the code which i found online is :
>
> %%%%%%%%%%%%%%%%%%%%%%%%%%%%%
> vid = videoinput('winvideo',1,'YUY2_320x240');
> % Set video input object properties for this application.
> % Note that example uses both SET method and dot notation method.
> set(vid,'TriggerRepeat',Inf);
> set(vid,'ReturnedColorSpace','ycbcr');
> start(vid);
> while(vid.FramesAcquired<=100) % Stop after 100 frames
> imgycbcr = getdata(vid); %Store image (This step takes 0.67 to process)
> % Do whatever process
> end
> stop(vid)
> %%%%%%%%%%%%%%%%%%%%%%%%%%%%%
>
> Can anybody please help me in making it faster or at least advice me about different command other than getdata() ?
>
> Thank you
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