The technique in this paper might be of use to you: http://research.micr.../kopf/pixelart/
Here's the comparison with hq4x: http://research.micr...rison_hq4x.html
However, it's pretty expensive...
I like the blur and threshold idea from Syranide; it would be very efficient. You could even apply an anti-aliasing filter such as FXAA before the upsampling step to get smoother results.
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#3Hodgman
Posted 06 August 2012 - 05:12 AM
The technique in this paper might be of use to you: http://research.micr.../kopf/pixelart/
Here's the comparison with hq4x: http://research.micr...rison_hq4x.html
However, it's pretty expensive...
Here's the comparison with hq4x: http://research.micr...rison_hq4x.html
However, it's pretty expensive...
#2Hodgman
Posted 06 August 2012 - 05:07 AM
The technique in this paper might be of use to you: http://research.micr.../kopf/pixelart/
Here's the comparison with hq4x: http://research.microsoft.com/en-us/um/people/kopf/pixelart/supplementary/comparison_hq4x.html
Here's the comparison with hq4x: http://research.microsoft.com/en-us/um/people/kopf/pixelart/supplementary/comparison_hq4x.html
#1Hodgman
Posted 06 August 2012 - 05:07 AM
The technique in this paper might be of use to you: http://research.microsoft.com/en-us/um/people/kopf/pixelart/