[FFmpeg-user] Scaling up is pixelated

[Stefan de Konink]

On Tuesday, February 11, 2014 5:54:15 PM CEST, Grant wrote:
> The resultant file is very pixelated.  It makes sense that scaling up
> would result in pixelation, but how do hardware scalers avoid this?

Bilinear[1], Bicubic[2] interpolation, or if you have an extremely cool 
scaler: Seam carving [3]

Stefan

[1] http://en.wikipedia.org/wiki/Bilinear_interpolation
[2] http://en.wikipedia.org/wiki/Bicubic_interpolation
[3] http://en.wikipedia.org/wiki/Seam_carving