Re: [Mjpeg-users] pnmtoy4m / progressive

2005-03-08 Thread E.Chalaron
> I assume by "Nyquist effect" you mean aliasing; Yes ... Ok got the (sharp) picture now, thanks a lot E --- SF email is sponsored by - The IT Product Guide Read honest & candid reviews on hundreds of IT Products from real users. Discover

Re: [Mjpeg-users] pnmtoy4m / progressive

2005-03-08 Thread Dan Scholnik
On Wed, 2005-03-09 at 09:35 +1300, E.Chalaron wrote: > Now another thing, at the risk of appearing completely dumb, what is the > purpose of y4mspatialfilter ? is it a convolution filter ? if so is there a > way I can cut off frequencies to avoid the Nyquist effect ? y4mspatialfilter performs

Re: [Mjpeg-users] pnmtoy4m / progressive

2005-03-08 Thread E.Chalaron
> It's just informative, it is NOT deinterlacing. Ok thanks a lot !! I just put a new mpeg file from a recent Super 8 http://calenduro.free.fr/DEMO Anything that has "plane" in its name Now another thing, at the risk of appearing completely dumb, what is the purpose of y4mspatialfilter

Re: [Mjpeg-users] pnmtoy4m / progressive

2005-03-07 Thread Steven M. Schultz
On Tue, 8 Mar 2005, E.Chalaron wrote: > pnmtoy4m is detecting frames from my progressive cam as interleaved and > output is progressive.. > Is it just informative or is it deinterlacing where it should not ? It's just informative, it is NOT deinterlacing. Since the two halves

[Mjpeg-users] pnmtoy4m / progressive

2005-03-07 Thread E.Chalaron
Hi there pnmtoy4m is detecting frames from my progressive cam as interleaved and output is progressive.. Is it just informative or is it deinterlacing where it should not ? Thanks E --- SF email is sponsored by - The IT Product Guide Read hone