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I would like to double the size of this image without causing any pixelization.

Can you please let me know how can it be done?


enter image description here

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up vote 7 down vote accepted

It's going to largely depend on the original size. Photoshop is many things, but it's not magic. It can do some fairly impressive things with pixel interpolation but there's a limit.

I would suggest using "Image" -> "Image Size..." and scaling it that way - at least it will scale consistently. I am not quite sure how exact you need to be when you say "any" pixelation; this method may allow you to scale this with a minimum (i.e., not noticeable by anyone who's not looking for it) amount.

If you're really worried about this I'd create it in a vector-based program like Illustrator (it looks like it'd be a fairly simple job) so you can scale it to any size your heart desires.

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Thanks for your answer. Any idea how can I create it in Illustrator? I would really appreciate your help. – meetpd Mar 30 '12 at 13:00

With this particular image, I'd scale it up with Image Size at 200%, using bicubic interpolation, and then correct the issues.

The only areas where pixelation will be noticeable will be:

  • the arrow symbol. Was that based on a dingbat font symbol? If so, should be easy to recreate.

  • the right hand angled outline. Copy a rectangular area from just left of the arrow symbol over the scaled-up right hand end, then use the polygon select tool to delete from this leaving a crisp edge. Angles look to be 45deg which will male it easier.

  • possibly the dividing line between the two types of fill. Copying and pasting will fix this.

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Doesn't apply to this particular graphic, but Fireworks' 9-slice-scaling is also pretty handy for resizing rectangular objects while preserving edges and corners. – Lèse majesté Mar 30 '12 at 13:57

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