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Anonymous
Hey, /w/. I was wondering how I biggerize stuff from lower res to useable wallpaper size without too much loss in quality. I have PS 7.0 and access to Illustrator. I vaguely remember some "rule" about some maximum limit I could upscale a bit from its original res... some percent.
>> Anonymous
10% you can help by slightly playing with smart blur...Illustrator doesn't do you anygood unless you know how to trace and color with it.
>> Depends on how picky you are Anonymous
I have some 800x600s in my screensaver that still look acceptable on almost twice the resolution.
Generally speaking I find that an 800x600 looks better on a new high-res display than did back when 800x600 was the max. So you're not losing quality by biggerizing, you're just not gaining much either.
>> Anonymous
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>>191055
Haha, You must look at your pics with your eyes closed. Resizing almost anything to nearly twice it's original size loses a lot of quality and leaves you with jpeg artefacts and stray pixels everywhere.
<--- OP pic enlarged to not even twice it's size using one of the better programs for enlarging with minimal quality loss, if you can't see the difference, then you need glasses, or a new monitor.
>>190379
Knows what he's talking about.
>> Anonymous
http://www.topazlabs.com/topazlabs/03products/topaz_vivacity/gallery/05enlarge_image/
This might help, but i lost it and all torrents i found were dead.
>> Eyes closed? Look who's talking. Anonymous
>>191059
JPEG artifacts and stray pixels are caused by aggressive compression, not by resolution increase.

Fact is, an 800x600 stretched to twice the resolution generally looks better than the original, although of course not as good as it what have looked if the original resolution would have been higher in the first place.
>>190379
Doesn't know what he's talking about at all. Within the 10% is actually worse, because of aliasing issues.
>> Watha !!m8n9SwIbwl6
The only way to preserve quality it's vectorizing it.
Quality loss is a fact even with that filter.
>> Anonymous
you can use live trace in illustrator, if you set it to ungodly high settings it will trace it to be the exact same image, and then you can rescale it all you want, just be prepared for ungodly render time.
>> RandomGuyWithAPontiac !brumGtB2qU
>>191667
with ANY settings on live trace you can NEVER get it to be the exact image, not even using live paint can this be done. You can come close with some images, but itll never be an exact 100% replica of the original image.
>> Anonymous
>>190366

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>> Yoshinobu
I'd recommend using PhotoZoom Pro, which gives you options for multiple resizing algorithms. S-spline XL makes for godly resizing without it looking horrible, although its meant primarily for digital images.