How to enlarge an image with as little pixelation as possible?

What technique(s) can I use to enlarge small digital (raster) image in order to best avoid pixelation? I can print the image and scan at high resolution, but I also want to preserve as close to exact color as I can. I’m happy to hear any technique using any tool or toolset.

Answer

I’m sure there are other (better?) alternatives, but S-Spline interpolation creates pretty good-looking images. A quick Google search revealed this tool: PhotoZoom Pro.

Also, here’s a lengthy comparison of different interpolation techniques and tools: Digital Photo Interpolation – what is the best image resizing / resampling method?

Attribution
Source : Link , Question Author : squillman , Answer Author : Can Berk Güder

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