If you have a new account but are having problems posting or verifying your account, please email us on hello@boards.ie for help. Thanks :)

Hello all! Please ensure that you are posting a new thread or question in the appropriate forum. The Feedback forum is overwhelmed with questions that are having to be moved elsewhere. If you need help to verify your account contact hello@boards.ie

Hi there,
There is an issue with role permissions that is being worked on at the moment.
If you are having trouble with access or permissions on regional forums please post here to get access: https://www.boards.ie/discussion/2058365403/you-do-not-have-permission-for-that#latest

repeat saving a jpg

sheesh · 2007-09-30 12:03:34

Hi all, I remember hearing somewhere that each time you save a jpg the the compression algorithm is carried out on the file leading to artifacts eventually appearing in the graphic. Is this true ? should I be taking my photos off my camera and converting them to an uncompressed format or using a copy of the original each…

30-09-2007 12:03pm

#1

sheesh

Registered Users, Registered Users 2 Posts: 4,081 ✭✭✭

Join Date: July 2007

Posts: 3951

Hi all,
I remember hearing somewhere that each time you save a jpg the the compression algorithm is carried out on the file leading to artifacts eventually appearing in the graphic.

Is this true ?
should I be taking my photos off my camera and converting them to an uncompressed format or using a copy of the original each time I edit? if you know what I mean....

0

Comments

#2 30-09-2007 12:22pm

Paulw

Registered Users, Registered Users 2 Posts: 13,381 ✭✭✭✭

Join Date: September 2001

Posts: 12567

That's correct. It is why many photographers use raw or even tiff. Open a jpg and save it, and it will have been compressed further.

0