how can i extract video frames through simulink

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Niveen Morsi
Niveen Morsi 2013-3-20
any idea how can i deal with video frames using matlab simulink..
actually, i tried to make some work arround and use function block and write a function that do the job but there is a problem when it comes to dealing with objects and properties within simulink.. here is my trial
video="abc.avi";
readerobj = mmreader(video);
numFrames = get(readerobj, 'numberOfFrames') - offset_frame;
%for k = 1 : numFrames
k = 1;
mov(k).cdata = vidFrames(:,:,:,k);
mov(k).colormap = [];
% end
Lmov=mov;%readerobj;%aviread(video);
MIm=frame2im(Lmov(k));
MIm=rgb2gray(MIm);
this is working properly within workspace but not within simulink..
any idea about how to do so within simulink...

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回答（1 个）

Jason Ghidella
Jason Ghidella 2013-3-21
Have you looked at the Computer Vision System Toolbox? It works with both MATLAB and Simulink.
Here is an overview video for the product: http://www.mathworks.com/videos/computer-vision-system-toolbox-overview-61219.html
And a Simulink Example of road tracking application: http://www.mathworks.com/help/vision/examples/color-based-road-tracking.html

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