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March 23, 2012
Question

How do you increase image size without losing quality?

  • March 23, 2012
  • 2 replies
  • 126245 views

Thanks for reading.

I would like to enlarge an image, but when I do this it loses quality. 

This is how I have done it: image > image size > check "resample image" > select "bicubic smoother" > set my dimensions.

Many thanks in advance.

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2 replies

pf22
Participating Frequently
March 23, 2012

bowarrowapple wrote:

I didn't know what to expect...but I didn't want to assume it couldn't be done until I knew for sure. 

But at the same time I would have never expected to be able to remove a person from a photograph either, ya know? I guess I was just hoping.

Thanks

Hi bowarrowapple

As far as I'm aware onOne's Genuine Fractals/Perfect Resize is supposed to be one of the best out there; for what it's worth they claim to be the "industry standard."

Alien Skin's Blow Up also has a good reputation, and they've just released a new version.

Both have their strengths and weaknesses, and both are available on 30 Day Trial versions.

Good luck

Paul

Participating Frequently
March 23, 2012

i am also searching for same, please help for same

Noel Carboni
Legend
March 23, 2012

Perhaps you should try to better define what you mean by quality.

Do you mean it loses sharpness?  Would you expect anything different?  You can't make detail from nothing.  Think about extremes...  What if you had an image that is 1 x 1 pixel, and you wanted to upsample it to 4000 x 4000 pixels?  It's not likely to have any detail in it.

This is why while doing digital image work, first and foremost you always want to keep in mind the number of pixels in your image (e.g., the pixel dimensions, width x height), above all else.

If you have an image with a limited pixel count that you really do need to make into something larger in a way that fools the eye/brain into thinking there's more detail in it than there really is, there are a couple of sophisticated upsampling tools out there that do help...  OnOne Software's Perfect Resize 7 (renamed from Genuine Fractals), and Alien Skin Blow Up 3.

-Noel

March 23, 2012

I didn't know what to expect...but I didn't want to assume it couldn't be done until I knew for sure. 

But at the same time I would have never expected to be able to remove a person from a photograph either, ya know? I guess I was just hoping.

Thanks