%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% 程序说明：这是一个视频捕获并录制的程序
% 详细原理介绍及中文注释请参考：
% 《卡尔曼滤波原理及应用-MATLAB仿真》，电子工业出版社，黄小平著。
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
function VideoCapture
aviobj = avifile('myAVI');
obj=videoinput('winvideo',1,'YUY2_320x240');
preview(obj);
T=100;
k=0;
while (k<T)
frame=getsnapshot(obj);
subplot(1,2,1)
imshow(frame);
frameRGB=ycbcr2rgb(frame);
subplot(1,2,2);
imshow(frameRGB);
drawnow;
aviobj=addframe(aviobj,frameRGB);
flushdata(obj)
k=k+1
end
aviobj = close(aviobj);
delete(obj);
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
结果：
