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With the explosive growth of internet technology, easy transfer of digital multimedia is feasible. However, this kind of convenience with which authorized users can access information, turns out to be a mixed blessing due to information…

密码学与安全 · 计算机科学 2012-05-22 Saraju P. Mohanty

Blockchain represents a technology for establishing a shared, immutable version of the truth between a network of participants that do not trust one another, and therefore has the potential to disrupt any financial or other industries that…

计算机与社会 · 计算机科学 2016-11-02 Marek Laskowski , Henry M. Kim

Proof-of-Work (PoW) is a Sybil control mechanism adopted in blockchain-based cryptocurrencies. It prevents the attempt of malicious actors to manipulate distributed ledgers. Bitcoin has successfully suppressed double-spending by accepting…

密码学与安全 · 计算机科学 2022-08-31 Suhyeon Lee , Donghwan Lee , Seungjoo Kim

In this paper we consider a scheme for cryptographic key distribution based on a variation of continuous variable quantum key distribution called central broadcast. In the continuous variable central broadcast scheme, security arises from…

Watermarking combines an imperceptible change to an input image that will trigger a detector, to assert provenance and protect intellectual property. The literature has shown great interest in attacks on watermarking schemes: attackers are…

密码学与安全 · 计算机科学 2026-05-19 Maria Bulychev , Neil G. Marchant , Benjamin I. P. Rubinstein

In science and medicine, model interpretations may be reported as discoveries of natural phenomena or used to guide patient treatments. In such high-stakes tasks, false discoveries may lead investigators astray. These applications would…

机器学习 · 统计学 2020-08-18 Collin Burns , Jesse Thomason , Wesley Tansey

Graph-structured datasets are increasingly central to sensitive applications spanning social networks, biomedical research, and cryptographic systems. As organizations share these datasets with trusted parties for collaborative analysis,…

密码学与安全 · 计算机科学 2026-03-12 Alexander Nemecek , Emre Yilmaz , Erman Ayday

Recently, point clouds have been widely used in computer vision, whereas their collection is time-consuming and expensive. As such, point cloud datasets are the valuable intellectual property of their owners and deserve protection. To…

密码学与安全 · 计算机科学 2024-11-05 Cheng Wei , Yang Wang , Kuofeng Gao , Shuo Shao , Yiming Li , Zhibo Wang , Zhan Qin

Diffusion models are a remarkably effective way of learning and sampling from a distribution $p(x)$. In posterior sampling, one is also given a measurement model $p(y \mid x)$ and a measurement $y$, and would like to sample from $p(x \mid…

机器学习 · 计算机科学 2025-11-11 Shivam Gupta , Ajil Jalal , Aditya Parulekar , Eric Price , Zhiyang Xun

The stochastic block model (SBM) is a generative model revealing macroscopic structures in graphs. Bayesian methods are used for (i) cluster assignment inference and (ii) model selection for the number of clusters. In this paper, we study…

机器学习 · 计算机科学 2016-02-09 Kohei Hayashi , Takuya Konishi , Tatsuro Kawamoto

Protecting the Intellectual Property rights of DNN models is of primary importance prior to their deployment. So far, the proposed methods either necessitate changes to internal model parameters or the machine learning pipeline, or they…

密码学与安全 · 计算机科学 2022-06-23 Kassem Kallas , Teddy Furon

The rapid growth of transformer-based models increases the concerns about their integrity and ownership insurance. Watermarking addresses this issue by embedding a unique identifier into the model, while preserving its performance. However,…

密码学与安全 · 计算机科学 2024-01-19 Pierre Fernandez , Guillaume Couairon , Teddy Furon , Matthijs Douze

The trend towards delegating data processing to a remote party raises major concerns related to privacy violations for both end-users and service providers. These concerns have attracted the attention of the research community, and several…

密码学与安全 · 计算机科学 2015-12-15 Youssef Gahi , Mouhcine Guennoun , Zouhair Guennoun , Khalil El-khatib

Natural language processing (NLP) technology has shown great commercial value in applications such as sentiment analysis. But NLP models are vulnerable to the threat of pirated redistribution, damaging the economic interests of model…

密码学与安全 · 计算机科学 2022-11-21 Long Dai , Jiarong Mao , Xuefeng Fan , Xiaoyi Zhou

The rapid evolution of machine learning (ML) has led to the widespread adoption of complex "black box" models, such as deep neural networks and ensemble methods. These models exhibit exceptional predictive performance, making them…

机器学习 · 计算机科学 2025-03-28 Moncef Garouani , Josiane Mothe , Ayah Barhrhouj , Julien Aligon

Due to the rapid growth of machine learning tools and specifically deep networks in various computer vision and image processing areas, application of Convolutional Neural Networks for watermarking have recently emerged. In this paper, we…

Whereas the embedding distortion, the payload and the robustness of digital watermarking schemes are well understood, the notion of security is still not completely well defined. The approach proposed in the last five years is too…

密码学与安全 · 计算机科学 2012-02-17 Patrick Bas , Teddy Furon

This paper presents an application of statistical machine learning to the field of watermarking. We propose a new attack model on additive spread-spectrum watermarking systems. The proposed attack is based on Bayesian statistics. We…

密码学与安全 · 计算机科学 2012-06-22 Ivo Shterev , David Dunson

In most electricity theft detection schemes, consumers' power consumption data is directly input into the detection center. Although it is valid in detecting the theft of consumers, the privacy of all consumers is at risk unless the…

密码学与安全 · 计算机科学 2023-02-28 Zhiqiang Zhao , Yining Liu , Zhixin Zeng , Zhixiong Chen , Huiyu Zhou

Blockchains are widely recognized for their immutability, which provides robust guarantees of data integrity and transparency. However, this same feature poses significant challenges in real-world situations that require regulatory…

密码学与安全 · 计算机科学 2025-08-13 Federico Calandra , Marco Bernardo , Andrea Esposito , Francesco Fabris