Hi Keith
Thanks for your earliest reply.
I will look in to the details of whatever you had sent.If I have any doubts,
I will keep you posted.
Regards
Krishna Prasad
On Fri, Feb 29, 2008 at 5:24 PM, Keith Winstein <[EMAIL PROTECTED]> wrote:
> Hi Krishna,
>
> I did some experiments on a Pentium 4 at 3 GHz with libmpeg2 0.4.1, using
> some MPEG-2 video streams I had lying around of various resolutions. Here
> are the results:
>
> Luminance resolution -- speed
>
> 720x480 -- 319 fps
> 1280x720 -- 124 fps
> 1280x720 -- 135 fps
> 1920x1088 -- 98 fps
> 1920x1088 -- 86 fps
>
> If we take "frame size" to mean "total luminance samples," then we get
> these data:
>
> Luminance resolution -- milliseconds per frame
>
> 345600 3.1
> 921600 8.1
> 921600 7.4
> 2088960 10.2
> 2088960 11.6
>
> For these data, I get an R^2 value (a test of linearity) of 0.87. Where 1
> is a perfect correlation (linear relationship) and 0 is no correlation.
>
> So, I would say it's basically 87% linear. Not perfect, not always true,
> but a good approximation.
>
> Best,
> Keith
>
> On Fri, 29 Feb 2008, Krishna Prasad wrote:
>
> > Hello Keith
> >
> > Thanks for your reply. I will have a look through it.
> >
> > Many of the paper references state that the decoding time varies
> linearly
> > with the Frame Size. Does the policy holds good always?
> >
> > Can I get your feedback on this particular question?.
> >
> > Regards
> > Krishna Prasad
> >
>
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