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This paper describes in detail how erasure codes are implemented in the Swarm system. First, in Section 1, we introduce erasure codes, and show how to apply them to files in Swarm (Section 2). In Section 3, we introduce security levels of…

网络与互联网体系结构 · 计算机科学 2024-09-04 Viktor Trón , Viktor Tóth , Callum Toner , Dan Nickless , Dániel A. Nagy , Áron Fischer , György Barabás

We design low-complexity error correction coding schemes for channels that introduce different types of errors and erasures: on the one hand, the proposed schemes can successfully deal with symbol errors and erasures, and, on the other…

信息论 · 计算机科学 2014-02-28 Ron M. Roth , Pascal O. Vontobel

The design of block codes for short information blocks (e.g., a thousand or less information bits) is an open research problem which is gaining relevance thanks to emerging applications in wireless communication networks. In this work, we…

信息论 · 计算机科学 2016-10-05 Gianluigi Liva , Lorenzo Gaudio , Tudor Ninacs , Thomas Jerkovits

Network partitions pose fundamental challenges to distributed name resolution in mobile ad-hoc networks (MANETs) and edge computing. Existing solutions either require active coordination that fails to scale, or use unstructured gossip with…

网络与互联网体系结构 · 计算机科学 2026-03-10 Priyanka Sinha , Dilys Thomas

In this paper we introduce the class of Spread Codes for the use in random network coding. Spread Codes are based on the construction of spreads in finite projective geometry. The major contribution of the paper is an efficient decoding…

信息论 · 计算机科学 2016-11-17 Felice Manganiello , Elisa Gorla , Joachim Rosenthal

We propose TRACE, a structure-aware framework leveraging diffusion models for localized character encoding to embed data. Unlike existing methods that rely on edge features or pre-defined codebooks, TRACE exploits character structures that…

计算机视觉与模式识别 · 计算机科学 2026-03-16 Jiale Meng , Jie Zhang , Runyi Hu , Zhe-Ming Lu , Tianwei Zhang , Yiming Li

Geometric fracture assembly presents a challenging practical task in archaeology and 3D computer vision. Previous methods have focused solely on assembling fragments based on semantic information, which has limited the quantity of objects…

计算机视觉与模式识别 · 计算机科学 2024-01-17 Ruiyuan Zhang , Jiaxiang Liu , Zexi Li , Hao Dong , Jie Fu , Chao Wu

The problem of secure source coding with multiple terminals is extended by considering a remote source whose noisy measurements are the correlated random variables used for secure source reconstruction. The main additions to the problem…

信息论 · 计算机科学 2022-11-10 Onur Günlü , Rafael F. Schaefer , Holger Boche , H. Vincent Poor

We study a basic question about cryptographic watermarking for generative models: how reliable can a watermark remain when an adversary is allowed to corrupt the encoded signal? To address this question, we introduce a minimal coding…

密码学与安全 · 计算机科学 2026-05-05 Danilo Francati , Yevin Nikhel Goonatilake , Shubham Pawar , Daniele Venturi , Giuseppe Ateniese

A novel method for generating coded mask patterns based on Gaussian random fields (GRF) is proposed. In contrast to traditional algorithms based on cyclic difference sets, it is possible to construct mask patterns that encode a predefined…

天体物理学 · 物理学 2007-05-23 Bjoern Malte Schaefer

In many social networks, one publishes information that one wants to reveal (e.g., the photograph of some friends) together with information that may lead to privacy breaches (e.g., the name of these people). One might want to hide this…

密码学与安全 · 计算机科学 2024-04-30 Chen-Da Liu , Simone Santini

The locally repairable codes (LRCs) were introduced to correct erasures efficiently in distributed storage systems. LRCs are extensively studied recently. In this paper, we first deal with the open case remained in \cite{q} and derive an…

信息论 · 计算机科学 2015-06-17 Jun Zhang , Xin Wang , Gennian Ge

A new family of codes, called clustering-correcting codes, is presented in this paper. This family of codes is motivated by the special structure of data that is stored in DNA-based storage systems. The data stored in these systems has the…

信息论 · 计算机科学 2019-03-12 Tal Shinkar , Eitan Yaakobi , Andreas Lenz , Antonia Wachter-Zeh

Directly releasing those data raises privacy and liability (e.g., due to unauthorized distribution of such datasets) concerns since location data contain users' sensitive information, e.g., regular moving patterns and favorite spots. To…

密码学与安全 · 计算机科学 2023-04-25 Yuzhou Jiang , Emre Yilmaz , Erman Ayday

Executable QR codes, or sQRy, is a technology dated 2022 that permits to include a runnable program inside a QR code, enabling interaction with the user even in the absence of an Internet connection. sQRy are enablers for different…

人机交互 · 计算机科学 2025-12-02 Stefano Scanzio , Gabriele Formis , Pietro Chiavassa , Lukasz Wisniewski , Gianluca Cena

Considerable interest has been paid in recent literature to codes combining local and global properties for erasure correction. Applications are in cloud type of implementations, in which fast recovery of a failed storage device is…

信息论 · 计算机科学 2016-02-09 Mario Blaum , Steven R. Hetzler

Consider the Gaussian wiretap channel, where a transmitter wishes to send a confidential message to a legitimate receiver in the presence of an eavesdropper. It is well known that if the eavesdropper experiences less channel noise than the…

信息论 · 计算机科学 2026-01-29 Vidhi Rana , Remi A. Chou , Taejoon Kim

It is generally unclear whether smaller codes can be "concatenated" to systematically create quantum LDPC codes or their sparse subsystem code cousins where the degree of the Tanner graph remains bounded while increasing the code distance.…

量子物理 · 物理学 2025-07-21 ChunJun Cao , Brad Lackey

Node forgery or impersonation, in which legitimate cryptographic credentials are captured by an adversary, constitutes one major security threat facing wireless networks. The fact that mobile devices are prone to be compromised and reverse…

网络与互联网体系结构 · 计算机科学 2015-01-08 Qiang Xu , Rong Zheng , Walid Saad , Zhu Han

It was recently shown by Fazeli et al. that the storage overhead of a traditional $t$-server private information retrieval (PIR) protocol can be significantly reduced using the concept of a $t$-server PIR code. In this work, we show that a…

信息论 · 计算机科学 2018-01-24 Hsuan-Yin Lin , Eirik Rosnes