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Best resize algorithm for 2:1 downsize

Started by dosdan, August 03, 2016, 10:51:55 PM

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dosdan

Is Bilinear the best algo for a straight 2:1 (linear dimension) downsize? With Lanzcros being better for non-power-of-2 downsize ratios. For example:

1920x1080 -> 960x540   Use Bilinear

1920x1080 -> 854x480   Use Lanzcros

Dan.

Jan Gruuthuse

Test and see what suites you best. A lot could depend on the kind of video you're downscaling (anime, sport, ...)
more info:
- Image scaling
- Comparison gallery of image scaling algorithms