convert Y component to image

2013 5 9
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Hi
I need your help please. I want to take a video retrieve the Y component, and create images from it.
I have download the yuv_import function I can retrieve 2 frames of the Y component with the following command
[Y, U, V] = yuv_import('foreman_qcif.yuv',[176 144],2);
and now i want to convert this 2 frames of the Y component to images why cant I use the following command ?
*img=imread(Y{1}) *
what can I do in order to convert it ?
Thanks

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Stas
Stas
2013-5-9

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