Making a video - quality issue

2013 7 16
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I have 100 matrices that I am drawing with the function imagesc(). I am making a movie from these images.
This is my code
myObj=VideoWriter('test.avi');
open(myObj);
for i=1:100
imagesc(F(:,:,i));
drawnow
frame=getframe(figure(1));
writeVideo(myObj,frame);
end
close(myObj)
This works fine and it does produce wanted .avi file, but the quality is quite poor. Any suggestions?
Many thanks!

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Seeker
Seeker
2013-7-16

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