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Applying filters to high-res images has little effect
When applying filters such as accented edges, ink outline, etc to a medium sized image (1024×768 or 1280×853) produce some pretty cool results.
However, when applying those same filters to larger images like files with a 5184×3456 resolution, the filters have little to no effect. I’m guessing this is because there are so many more pixels that altering each pixel has a less noticeable effect.
You can see an example here with the accented edges filter run over a smaller version of a picture I took, and then a larger one (that was then downsized to make it viewable):
https://www.vcize.com/images/accented-edges-1280×853.jpg
https://www.vcize.com/images/accented-edges-5184×3486.jpgThe 1280×853 one looks pretty cool. On the larger 5184×3456 version the filter had almost no noticeable effect.
The problem is that I want the cool looking version like is seen in the 1280×853 version, but at a high enough resolution to print on a large canvas that is, say, 40′ x 40′ or so. Is it possible to get the bigger image to look like the smaller one without losing the resolution required to print it on a canvas that large? I’ve been trying to figure this out for weeks now…
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