Multi-User Collusion Behavior Forensics: Game Theoretic Formulation of Fairness Dynamics

Lin, W. Sabrina; Zhao, Hong; Liu, K.J.R.

doi:10.1109/icip.2007.4379533

Cited by 4 publications

(8 citation statements)

References 8 publications

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“…Following [2], we model this complex dynamics among colluders as a bargaining problem, and use game theory [7] to analyze how colluders negotiate with each other.…”

Section: Game-theoretic Formulation Of Colluder Dynamicsmentioning

confidence: 99%

“…Following [2], we consider a simple scenario where colluders who receive copies of the same resolution agree to have equal payoffs. Thus, there are two players in the game: colluders in SC b act as a single player and they have the same utility π b , while those in SC be act as a single player and have the same utility π be .…”

Section: Definition Of the Utility Functionmentioning

confidence: 99%

“…They negotiate with each other to resolve this conflict and achieve a notion of fairness [1]. A game-theoretic framework was proposed in [2] to analyze this complex dynamics among colluders, and the negotiation among colluders was modeled as a bargaining problem.…”

Section: Introductionmentioning

confidence: 99%

“…We follow the game-theoretic modeling of colluder dynamics in [2], and consider both the colluders' probability of being detected and the rewards from illegal usage of multimedia when defining the utility functions. In this paper, we investigate the impact of the total number of colluders on each attacker's utility, and analyze the optimum fellow-attacker-selection strategies that maximize their payoffs.…”

Section: Introductionmentioning

confidence: 99%

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Game-theoretic analysis of maximum-payoff multiuser collusion

Zhao

Lin

Liu

2008

2008 15th IEEE International Conference on Image Processing

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Multiuser collusion is an effective attack against traitor-tracing multimedia fingerprinting, where a group of attackers collectively mount attacks to reduce their risk of being detected. During collusion, each attacker wishes to maximize his or her own payoff. To resolve the conflict, colluders have to negotiate with each other and achieve fair collusion. An attacker also needs to decide with whom he or she wants to collude. Though colluding with more people helps further reduce the risk, it also makes an attacker share with more people the rewards from illegal usage of multimedia. This paper uses game theory to model the complex colluder dynamics and analyzes the tradeoff between the risk and the rewards. We study how the selection of fellow attackers affects each colluder's utility, and analyze the optimum strategies that maximize colluders' payoffs.

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“…Following [2], we model this complex dynamics among colluders as a bargaining problem, and use game theory [7] to analyze how colluders negotiate with each other.…”

Section: Game-theoretic Formulation Of Colluder Dynamicsmentioning

confidence: 99%

Section: Definition Of the Utility Functionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Game-theoretic analysis of maximum-payoff multiuser collusion

Zhao

Lin

Liu

2008

2008 15th IEEE International Conference on Image Processing

View full text Add to dashboard Cite

show abstract

“…For example, some colluders may want to benefit more from collusion by taking a higher risk of being detected. In [34], this complex dynamics was modeled as a bargaining problem where colluders negotiate with each other to resolve the conflict, and game theory [7] was used to analyze this negotiation process.…”

Section: Game-theoretic Modeling Of Colluder Dynamicsmentioning

confidence: 99%

Behavior modeling and forensics for multimedia social networks

Zhao

Lin

Liu

2009

IEEE Signal Process. Mag.

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Within the past decade, Internet traffic has shifted dramatically from HTML text pages to multimedia file sharing [1] as illustrated by the emergence of large-scale multimedia social network communities such as Napster, flickr, and YouTube. For example, a study showed that in a campus network, peer-to-peer file sharing can consume 43% of the overall bandwidth, which is about three times of all WWW traffic [2]. This consumption poses new challenges to the efficient, scalable, and robust sharing of multimedia over large and heterogeneous networks. It also significantly affects the copyright industries and raises critical issues of protecting intellectual property rights of multimedia.This recent increase in Internet traffic adversely affects the user experience for people all across the world. To improve the efficiency of data transmission within multimedia social networks, we must analyze the impact of human factors on multimedia networks, that is, how users interact with and respond to

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Information Forensics: An Overview of the First Decade

2013

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In recent decades, we have witnessed the evolution of information technologies from the development of VLSI technologies, to communication and networking infrastructure, to the standardization of multimedia compression and coding schemes, to effective multimedia content search and retrieval. As a result, multimedia devices and digital content have become ubiquitous. This path of technological evolution has naturally led to a critical issue that must be addressed next, namely, to ensure that content, devices, and intellectual property are being used by authorized users for legitimate purposes, and to be able to forensically prove with high confidence when otherwise. When security is compromised, intellectual rights are violated, or authenticity is forged, forensic methodologies and tools are employed to reconstruct what has happened to digital content in order to answer who has done what, when, where, and how. The goal of this paper is to provide an overview on what has been done over the last decade in the new and emerging field of information forensics regarding theories, methodologies, state-of-the-art techniques, major applications, and to provide an outlook of the future.

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Multi-User Collusion Behavior Forensics: Game Theoretic Formulation of Fairness Dynamics

Cited by 4 publications

References 8 publications

Game-theoretic analysis of maximum-payoff multiuser collusion

Game-theoretic analysis of maximum-payoff multiuser collusion

Behavior modeling and forensics for multimedia social networks

Information Forensics: An Overview of the First Decade

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