cropping without degradation?

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Brigitte - 11 Nov 2005 03:01 GMT

Hi Group,
Is there a free software program available that will allow me to crop photos
without the resulting photo being degraded?

Thanks,
Brigitte

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- 11 Nov 2005 08:08 GMT

>Is there a free software program available that will allow me to crop photos
>without the resulting photo being degraded?

http://www.gimp.org/

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Allodoxaphobia - 19 Nov 2005 00:37 GMT

>>Is there a free software program available that will allow me to crop photos
>>without the resulting photo being degraded?
>
> http://www.gimp.org/

Without such a steep learning curve:

http://www.imagemagick.org/

Jonesy

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Charles Kerekes - 12 Nov 2005 17:35 GMT

Brigitte,

In most cases image degradation is not due to the software used for
cropping, but the image file format. When you edit photos, do NOT use
JPEG, because it is compressed each time you save it, losing quality.
If you use non-compressed formats such as TIFF or PSD, the software
should not matter--they will not degrade.

Charlie
http://FlyingSamPhoto.com

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Photog - 16 Nov 2005 15:51 GMT

Charlie,

Thanks for this. Something I really have to study up on. Good
question, Brigitte.

Patzt

* * * * *
Join us at Photography Cafe
http://photography-cafe.com

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Alf92 - 20 Dec 2005 15:49 GMT

Charles Kerekes a dit ça :

> In most cases image degradation is not due to the software used for
> cropping, but the image file format. When you edit photos, do NOT use
> JPEG, because it is compressed each time you save it, losing quality.
> If you use non-compressed formats such as TIFF or PSD, the software
> should not matter--they will not degrade.

no !
not even
http://sylvana.net/jpegcrop/losslessapps.html
http://www.faqs.org/faqs/jpeg-faq/

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Cordialement,
Alf92
http://frpn.online.fr

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Mike S. - 13 Nov 2005 02:58 GMT

>Hi Group,
>Is there a free software program available that will allow me to crop photos
>without the resulting photo being degraded?

JPEGCROP is freeware that uses a GUI front end to JPEGTRAN. It performs
lossless cropping of JPEG images (i.e without re-encoding the image after
the crop operation).

http://sylvana.net/jpegcrop/

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peter - 15 Nov 2005 11:42 GMT

>>Hi Group,
>>Is there a free software program available that will allow me to crop photos
[quoted text clipped - 5 lines]
>
> http://sylvana.net/jpegcrop/

Do remember though that when you crop you are throwing away pixels, so
the resolution will reduce!

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Mike S. - 18 Nov 2005 17:35 GMT

>>>Hi Group,
>>>Is there a free software program available that will allow me to crop photos
[quoted text clipped - 7 lines]
>Do remember though that when you crop you are throwing away pixels, so
>the resolution will reduce!

Correct. But utilities like jpegcrop will not introduce any additional
compression artifacts as a result of having cropped and saved the file.

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