Invisible Watermark On A.net Messages? — Non Aviation Forum

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Invisible Watermark On A.net Messages?

Tupolev154B2 From United States of America, joined Jun 2000, 1332 posts, RR: 2
Posted (11 years 7 months 3 days 1 hour ago) and read 721 times:

Johan states in the user agreement section for photos that each photo has an "invisible watermark." What is that all about?

6 replies: All unread, jump to last

Airlinelover From United States of America, joined Jun 2001, 5580 posts, RR: 27
Reply 1, posted (11 years 7 months 3 days 1 hour ago) and read 702 times:

It's so if there is a "stolen" pic on a diff. Site, they can ID it.. Copyright Fraud Protection..

Chris

Lets do some sexy math. We add you, subtract your clothes, divide your legs and multiply

I Like To Fly From United States of America, joined Feb 2001, 1188 posts, RR: 2
Reply 2, posted (11 years 7 months 3 days ago) and read 682 times:

It's basically an invisible digital code in the images so they can be identified if they are found anywhere else. It helps keep the pics from being stolen off A.net and used on other sites.

Tupolev154B2 From United States of America, joined Jun 2000, 1332 posts, RR: 2
Reply 3, posted (11 years 7 months 2 days 22 hours ago) and read 655 times:

How is the digital code inserted and how can it be ID'ed?

I Like To Fly From United States of America, joined Feb 2001, 1188 posts, RR: 2
Reply 4, posted (11 years 7 months 2 days 22 hours ago) and read 644 times:

Using a program like Photoshop, Paint Shop Pro, etc. There are various ways of doing it, you can even get really fancy and encrypt it so only the author can identify it and you wouldn't even know it is there. I really don't know how exactly Johan does it, never had a reason to care. If you want to do it to your own images it is simple with any graphics program. Smile/happy/getting dizzy

Tupolev154B2 From United States of America, joined Jun 2000, 1332 posts, RR: 2
Reply 5, posted (11 years 7 months 2 days 6 hours ago) and read 607 times:

Does it just insert a code somewhere into the data that makes up the file itself?

I Like To Fly From United States of America, joined Feb 2001, 1188 posts, RR: 2
Reply 6, posted (11 years 7 months 2 days 2 hours ago) and read 585 times:

A digital watermark is a permanent proof of authenticity for an image. While a computer can detect it, it is imperceptible to the viewer. A watermark contains information about the creator, the copyright, and the image. It is embedded into the code of the image.

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