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  1. 26th Sep 2008 13:35 #1
    hamid22689
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    Hi,

    What is the best method for changing the resolution of dvd's video stream?
    As I see, Divx codec has a resize tool, but I couldn't find such a tool for other codecs like xvid and divx.
    By Virtual Dub, it is possible to use a resize filter, but the quality decreases a lot.

    So, I want to know the best method for resizing the video.
    By the way, which algorithms is better: bilinear, bicubic or nearest neighbor?

    Thanks.
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  2. 26th Sep 2008 13:44 #2
    jagabo
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    VirtualDub's resize filter is about as good as any. Which filter mode did you use? Try Lanczos3 or Precise Bicubic.

    The Divx codec has a built in resizer too. Try it's Lanczos4 mode.

    Lanczos filters produce sharp results while minimizing moire artifacts.
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  3. 26th Sep 2008 14:11 #3
    hech54
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    My favorite resize filter is in AviDemux. Ignore the name...it handles almost any type of video.
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