SPECIAL SECTION ON SECURITY AND WATERMARKING OF MULTIMEDIA CONTENTS

Combining digital watermarks and collusion secure fingerprints for digital images

[+] Author Affiliations
Jana Dittmann

GMD-German National Research Center for Information Technology, Darmstadt, Germany

Peter Schmitt

Justus Liebig University, Giessen, Germany

Eva Saar, Jo¨rg Schwenk

Deutche Telekom, Technologiezentrum, Darmstadt, Germany

Johannes Ueberberg

Debis, IT Security Services, Germany

J. Electron. Imaging. 9(4), 456-467 (Oct 01, 2000). doi:10.1117/1.1287729
History: Received Apr. 20, 1999; Accepted May 8, 2000
Text Size: A A A

Abstract

Digital watermarking is the enabling technology to prove ownership on copyrighted material, detect originators of illegally made copies, monitor the usage of the copyrighted multimedia data, and analyze the spread spectrum of the data over networks and servers. Embedding of unique customer identification as a watermark into data is called fingerprinting to identify illegal copies of documents. Basically, watermarks embedded into multimedia data for enforcing copyrights must uniquely identify the data and must be difficult to remove, even after various media transformation processes. Digital fingerprinting raises the additional problem that we produce different copies for each customer. Attackers can compare several fingerprinted copies to find and destroy the embedded identification string by altering the data in those places where a difference was detected. In our paper we present a technology for combining a collusion-secure fingerprinting scheme based on finite geometries and a watermarking mechanism with special marking points for digital images. The only marking positions the pirates cannot detect are those positions which contain the same letter in all the compared documents, called intersection of different fingerprints. The proposed technology for a maximal number d of pirates, puts enough information in the intersection of up to d fingerprints to uniquely identify all the pirates. © 2000 SPIE and IS&T.

© 2000 SPIE and IS&T

Citation

Jana Dittmann ; Peter Schmitt ; Eva Saar ; Jo¨rg Schwenk and Johannes Ueberberg
"Combining digital watermarks and collusion secure fingerprints for digital images", J. Electron. Imaging. 9(4), 456-467 (Oct 01, 2000). ; http://dx.doi.org/10.1117/1.1287729


Figures

Tables

Access This Article
Sign in or Create a personal account to Buy this article ($20 for members, $25 for non-members).

Some tools below are only available to our subscribers or users with an online account.

Related Content

Customize your page view by dragging & repositioning the boxes below.

Related Book Chapters

Topic Collections

PubMed Articles
Advertisement
  • Don't have an account?
  • Subscribe to the SPIE Digital Library
  • Create a FREE account to sign up for Digital Library content alerts and gain access to institutional subscriptions remotely.
Access This Article
Sign in or Create a personal account to Buy this article ($20 for members, $25 for non-members).
Access This Proceeding
Sign in or Create a personal account to Buy this article ($15 for members, $18 for non-members).
Access This Chapter

Access to SPIE eBooks is limited to subscribing institutions and is not available as part of a personal subscription. Print or electronic versions of individual SPIE books may be purchased via SPIE.org.