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-   -   KVCD: Scene Changes artifacts? (http://www.digitalfaq.com/archives/encode/693-kvcd-scene-changes.html)

Pike 07-21-2002 04:05 PM

KVCD: Scene Changes artifacts?
 
Occasionly when the camera angle changes in a movie, bits of the previous scene will be left on screen, artifacts i suppose you could call them, now I dont want to start playing about with settings in kwag's template incase i fix one prob and create another...

Whats the right way to fix the problem noted above?

Thanks

Pike

kwag 07-21-2002 05:00 PM

Hi Pike:

This is most noticeable if you use some kind of "noise reduction", like AviSynth's "Temporal Smoother" with high values. If you don't use any filters, you shouldn't see that effect.

-kwag

Pike 07-21-2002 07:55 PM

I just use your template with no extra values, no filters are on.

I'm converting from divx (which is perfect i might add) to kvcdx2 but more recently your plus template, both do it, but i dont think its specific to your template.

kwag 07-21-2002 08:45 PM

Try it from another source that it's not a DivX file.

-kwag

Pike 07-21-2002 10:05 PM

I dont have another source to try, heres an example of whats happening...

http://www.digitalfaq.com/archives/error.gif

On closer inspection it looks like another frame is leaking through...

But it changes, which confuses me more... not the same frame leaking through...

http://www.digitalfaq.com/archives/error.gif

as you can see from the divx... theres no such artifacts.

http://www.digitalfaq.com/archives/error.gif

I was to re-encode i can gaurantee you that part will encode right next time, but another part will screw up...[/IMG]

kwag 07-21-2002 10:20 PM

I have a question Pike. Are you encoding at exactly the same frame rate as your DivX file?

-kwag

Pike 07-22-2002 07:16 AM

Yes, that divx was 25fps but others have been 23.976fps, I chose the correct template for the job.

Pike 07-24-2002 10:40 AM

im still yet to find a solution to my problem, tho from what I can remember, the half pal/ntsc templates dont have this prob.


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