Image enlargment

K

KHaled

I am looking for software that will enlarge images without loss
of quality. Does any such exist ??

Thanks.

--
KHaled

e-mail: khaledihREMOVEUPPERCASELETTERS at fusemail dot com
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please start your subject line with the string "==NG=="
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B

BOOGIEMAN

I am looking for software that will enlarge images without loss
of quality. Does any such exist ??

Thanks.

I've tried some profesional shareware and results are very poor.
Better forget about it
 
S

sha

KHaled said:
I am looking for software that will enlarge images without loss
of quality. Does any such exist ??

Thanks.

The usual advice offered is to open your image in <insert graphics app (I
use Gimp)> and increase the size in increments of 10%, rather than in one
go. Leave any other image processing until you have enlarged your image to
the desired size; otherwise you will also increase any distortions that
processing can introduce. This is especially important when it comes to
sharpening your image - leave it until last.

HTH

Sha
 
B

Bill

KHaled said:
I am looking for software that will enlarge images without loss
of quality. Does any such exist ??

Thanks.

kh,
I suggest grabbing a copy of the Free DCE (Digital Camera Enhancement) tool
here:
http://www.mediachance.com/digicam/enhancer.htm

I'd then proceed with some of these other reccomendations (mentioned above)
with whatever editors you have access to and then run your results through
the DCE.

With a little experimentation, and attention to the "Save Quality" setting
(in this case 100%), you might be suprised with your results.

-Bill
http://wayoutwest.tk
 
K

KHaled


Um.. Tankx !!!

--
KHaled

e-mail: khaledihREMOVEUPPERCASELETTERS at fusemail dot com
(correcting antispam crap..)
please start your subject line with the string "==NG=="
 
R

Roger Johansson

KHaled said:
Um.. Tankx !!!

Well, it depends. In some cases you can enlarge an image without quality
loss.

If you make a picture double sized, both vertically and horisontally, and
you do it by putting 4 pixels instead of each single pixel in the
original, all four the same color as the single pixel, then you get an
enlarged picture, with exactly the same resolution as the original
picture, there is no loss in picture quality.

If you want a new size which is not a multiple of the original size you
need to use algoritms which weigh the color from the pixels in the
original, and creates a best possible fit to recreate the picture in the
new size. There are a few different such algoritms, and they are very
good, so you don't lose much picture quality in one such resizing
operation. You should try to keep the number of conversions as low as
possible though.

If you have an original in one size, and you resize it once, and later
realize that you need yet another size you should use the original, not
the resized version.

One more thing. Sometimes a resized picture can look even
better than the original to the human eye, because the conversion works
like a soft filter, it blurs things up a little at the pixel level.
 
A

a

I am looking for software that will enlarge images without loss
of quality. Does any such exist ??
There is a (freeware) plug-in for the (commercial) Photoshop. It's a
8li file so I don't know if it works in other graphic apps.

Read the notes for Fred Miranda's (commercial) Stair Interpolation (A
Photoshop Action) at http://www.fredmiranda.com/Interpolation_Plugin/

for why incremental increases in size ARE a good idea. Then get the
freeware Stairstep Image Size from
http://www.imphotography.com/downloads/ssimagesize.htm
 

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