Back to articles
Proceedings Paper
Volume: 38 | Article ID: MWSF-310
Image
A Practical Approach to Traitor Tracing in Environments with Lossy Feedback Channels
  DOI :  10.2352/EI.2026.38.4.MWSF-310  Published OnlineMarch 2026
Abstract
Abstract

This paper proposes Uniform Switching Identities (USWIDs) as a lightweight, collusion-resistant identity scheme designed for computationally constrained environments. USWIDs use uniformly structured identities and simplified penalization logic while retaining effectiveness comparable to classical Tardos-based methods. Through simulations, we show U-SWIDs maintain robustness even under lossy feedback conditions - common in forensic watermarking scenarios. Compared to Approximated Tardos Switching Identities (AT-SWIDs), U-SWIDs offer improved scalability, ease of generation, and operational simplicity without compromising traceability. The findings suggest U-SWIDs are a viable alternative for practical traitor tracing systems, especially where delivery, derivation cost, and resilience to partial symbol loss are critical deployment factors.

Subject Areas :
Views 51
Downloads 11
 articleview.views 51
 articleview.downloads 11
  Cite this article 

Vladimir D. Živković, Abhijeet Golwelkar, Ronald Peters, "A Practical Approach to Traitor Tracing in Environments with Lossy Feedback Channelsin Electronic Imaging,  2026,  pp 310-1 - 310-7,  https://doi.org/10.2352/EI.2026.38.4.MWSF-310

 Copy citation
  Copyright statement 
Copyright ©2026 Society for Imaging Science and Technology 2026
ei
Electronic Imaging
2470-1173
2470-1173
Society for Imaging Science and Technology
IS&T 7003 Kilworth Lane, Springfield, VA 22151 USA