removing mosquito artifact after encode

[madness]

Hi all
I'm not sure if theres a filter that will remove the mosquito artifacts on my video. My avisource doesn't have any mosquito artifact so any suggest on how to remove the nosie.
Also I'm using the newest alpha of avisynth 2.5.5 and using vdub 1.5.10
Thanks in advance

[esby]

mosquitos artifacts are an encoding problem...

try changing your profile settings....

If there are only a few artifacts in the video,
you could, supposing you found a method to avoid their presence during an encode, patch the video you encoded with new splices not containing it.

In an 'after detection context',
if there are a very few artifacts detected,
supposing someone code a filter to detect them,
indeed it might be ok to reencode only the part detected.
But if the problem is present in each KF-DF(*n) segments
a full reencode would be needed in all case, so the filter would be useless here...

esby

[madness]

I've only recently started doing video encoding so i'm quite new on this field I know some of my friend is recommending me using all sorts of filters, but it seems doesn't work at all. I even tried not using avs I still managed to produce mosquito effect on edges of the darker lines on the video. I'm not sure that I've wrongly setup xvid or not applied the filters that I used strong enough or placed the filter in the wrong position, also I've been trying placing a denoise filter at the very end but it doesn't seems to help at all. The source I got is in good quality, I just don't understand it :/

[esby]

filters are meant to clean/enhance the picture quality.

Mosquitos bites (i assume you use xvid) are an encoding problem.

You have to tweak your xvid setting to solve the problem.

Probably no filter combinaison will resolve this problem for you.
(since the bites are not in the source)

If you are looking for help on this topic,
try searching in the xvid forum directly.


esby

[madness]

ok I'll go have a ponder round xvid forum thanks alot anyway ^^

[Mug Funky]

you could turn postprocessing on in your decoder so it filters on playback.

this is good for small to moderate amounts of mozzie noise, but for really terrible encodes (like a sea of the dancing and swimming blocks that come from q6 and above encodes) this will just trade off blocks for blur.

i recommend ffdshow for decoding. google it :)