bilinear or bicubic?
i know if your upsizing a movie to use bicubic and if your down sizing res to use bilinear what about if you have done a dvd backup and use the same res as source i.e. 720x480?
thanks. |
Re: bilinear or bicubic?
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We only do crop from 720x480 to 704x480 as 720 for TV purposes make NO sense. We avoid upsizing as the upsizer would do the same trashy output as the SAP would do by itself when feeding with lower resolutions. The only way for upsizing is the function of didée of doom9 called ipp which does a LOT of image enhancing but its SLOOOOW. :wink: Also limitedsharpen() of didée does the best sharpen job for upsizing I know, but anyway .... where no details are, there want be any more details afterwards, just a subjective enhancement for your eyes, thats all. |
Re: bilinear or bicubic?
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"If you are magnifying your video, you will get much better-looking results with BicubicResize than with BilinearResize. However, if you are shrinking it, you are probably just as well off, or even better off, with BilinearResize." file:///C:/Program%20Files/AviSynth%202.5/Docs/english/corefilters/resize.htm It's not everyday we have a user that read the manual :-D Note: May I have to delete your first post ? |
Seems to be an php error as I did ADD something and not delete 8O
So why the larger post is above?? :?: :) |
Dialhot wrote:
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----------------------- viking |
Re: bilinear or bicubic?
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If it makes NO sense, why the majority of DVDs comes with 720 and not 704? :roll: |
Cause the industry by this follows D1 standard.
And in case of non analogue Signal (any other than TV) like beamer/projectors (pixel based) the 720 will be shown as progressive 720x540 (*imho*). But Jukka Aho explains the 720 reason very well: (Point 4.1) http://www.uwasa.fi/~f76998/video/conversion/#faq Quote:
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I would like to understand why... :roll: Quote:
That makes (a little) "sense" to me... :wink: |
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