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RemoveDust & RemoveDirt 

Just tried these 2 functions. If you don't mind some smoothing, they work great. I had bad materila with lots of noise, dust and scratches. Tried Fizick Descratch and Despot, but not all of them were gone. With RemoveDust (thanks to Kassandro - search this forum), I've got what I wanted. Highly recommend...:D Not to mention speed....

i'd also suggest deblocking when you decode. unless the blocks i'm seeing are from the JPEGging process (please use PNG files for this sort of thing...) deblocking/deringing will reduce a fair bit of noise too, so your denoise settings wont need to be as aggressive.

Thanks. I'll try out your suggestions. No, the blocks are on the original :(

I don't see the blocks too clearly, but then again my monitor is about to expire. They don't seem to be too awful though, so I'd recommend you to try MVTools's Deblock() for that. I've been said it works in a similar manner to H.264/AVC's deblocking which is probably a good thing. I also second the use of RemoveDust since the noise, while abundant, seems to be small in size. The version I use is called LRemoveDust_Planar and the script is the following one: Code:

BTW, DeSpot is amazing at what is does, which is dotcrawl (moving noise) removal. AFAIK it has nothing to do with spatio-temporal denoisers like LRemoveDust. The OP did say that the noise moved around, so he should probably try it.

Chainmax, I'll give it a shot. I know that Dgmpgdec has a deblocker based on h264 as well.