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Self-checksumming (SC) is a tamper-proofing technique that ensures certain program segments (code) in memory hash to known values at runtime. SC has few restrictions on application and hence can protect a vast majority of programs. The code…

密码学与安全 · 计算机科学 2019-09-26 Mohsen Ahmadvand , Daniel Below , Sebastian Banescu , Alexander Pretschner

In this paper we consider authentication at the physical layer, in which the authenticator aims at distinguishing a legitimate supplicant from an attacker on the basis of the characteristics of a set of parallel wireless channels, which are…

密码学与安全 · 计算机科学 2020-11-11 Linda Senigagliesi , Marco Baldi , Ennio Gambi

Off-the-shelf software for Command and Control is often used by attackers and legitimate pentesters looking for discretion. Among other functionalities, these tools facilitate the customization of their network traffic so it can mimic…

密码学与安全 · 计算机科学 2025-06-11 Clément Parssegny , Johan Mazel , Olivier Levillain , Pierre Chifflier

Vector quantization (VQ) is a method for deterministically learning features through discrete codebook representations. Recent works have utilized visual tokenizers to discretize visual regions for self-supervised representation learning.…

计算机视觉与模式识别 · 计算机科学 2024-09-11 Chenjing Ding , Chiyu Wang , Boshi Liu , Xi Guo , Weixuan Tang , Wei Wu

The phase vocoder (PV) is a widely spread technique for processing audio signals. It employs a short-time Fourier transform (STFT) analysis-modify-synthesis loop and is typically used for time-scaling of signals by means of using different…

声音 · 计算机科学 2022-02-16 Zdenek Prusa , Nicki Holighaus

The paper concerns available steganographic techniques that can be used for creating covert channels for VoIP (Voice over Internet Protocol) streams. Apart from characterizing existing steganographic methods we provide new insights by…

多媒体 · 计算机科学 2008-08-25 Wojciech Mazurczyk , Krzysztof Szczypiorski

In this paper, the task of video panoptic segmentation is studied and two different methods to solve the task will be proposed. Video panoptic segmentation (VPS) is a recently introduced computer vision task that requires classifying and…

计算机视觉与模式识别 · 计算机科学 2021-08-10 Jake Rap , Panagiotis Meletis

This paper introduces Content-aware Token Sharing (CTS), a token reduction approach that improves the computational efficiency of semantic segmentation networks that use Vision Transformers (ViTs). Existing works have proposed token…

计算机视觉与模式识别 · 计算机科学 2023-06-06 Chenyang Lu , Daan de Geus , Gijs Dubbelman

For a distributed last-level cache (LLC) in a large multicore chip, the access time to one LLC bank can significantly differ from that to another due to the difference in physical distance. In this paper, we successfully demonstrated a new…

密码学与安全 · 计算机科学 2023-12-14 Farabi Mahmud , Sungkeun Kim , Harpreet Singh Chawla , Chia-Che Tsai , Eun Jung Kim , Abdullah Muzahid

Pre-trained vision transformers have strong representation benefits to various downstream tasks. Recently, many parameter-efficient fine-tuning (PEFT) methods have been proposed, and their experiments demonstrate that tuning only 1\% extra…

计算机视觉与模式识别 · 计算机科学 2024-04-30 Henry Hengyuan Zhao , Pichao Wang , Yuyang Zhao , Hao Luo , Fan Wang , Mike Zheng Shou

High-speed interconnects, such as NVLink, are integral to modern multi-GPU systems, acting as a vital link between CPUs and GPUs. This study highlights the vulnerability of multi-GPU systems to covert and side channel attacks due to…

密码学与安全 · 计算机科学 2024-05-03 Yicheng Zhang , Ravan Nazaraliyev , Sankha Baran Dutta , Nael Abu-Ghazaleh , Andres Marquez , Kevin Barker

This paper addresses a critical challenge in cybersecurity: the gap between vulnerability information represented by Common Vulnerabilities and Exposures (CVEs) and the resulting cyberattack actions. CVEs provide insights into…

密码学与安全 · 计算机科学 2023-09-07 Ehsan Aghaei , Ehab Al-Shaer

Sparse vector transmission (SVT) is a promising candidate technology for achieving ultra-reliable low-latency communication (URLLC). In this paper, a hierarchical SVT scheme is proposed for multi-user URLLC scenarios. The hierarchical SVT…

信号处理 · 电气工程与系统科学 2026-01-21 Yanfeng Zhang , Xi'an Fan , Jinkai Zheng , Xiaoye Jing , Weiwei Yang , Xu Zhu

Deep learning is gaining importance in many applications. However, Neural Networks face several security and privacy threats. This is particularly significant in the scenario where Cloud infrastructures deploy a service with Neural Network…

密码学与安全 · 计算机科学 2019-07-09 Vasisht Duddu , Debasis Samanta , D Vijay Rao , Valentina E. Balas

This work aspires to provide a trustworthy solution for target localization in adverse environments, where malicious nodes, capable of manipulating distance measurements (i.e., performing spoofing attacks), are present, thus hindering…

信号处理 · 电气工程与系统科学 2025-02-28 Slavisa Tomic , Marko Beko , Dejan Vukobratovic , Srdjan Krco

We propose a novel weakly supervised method to improve the boundary of the 3D segmented nuclei utilizing an over-segmented image. This is motivated by the observation that current state-of-the-art deep learning methods do not result in…

计算机视觉与模式识别 · 计算机科学 2021-08-31 S. Shailja , Jiaxiang Jiang , B. S. Manjunath

Visual localization is of great importance in robotics and computer vision. Recently, scene coordinate regression based methods have shown good performance in visual localization in small static scenes. However, it still estimates camera…

计算机视觉与模式识别 · 计算机科学 2021-05-25 Zhaoyang Huang , Han Zhou , Yijin Li , Bangbang Yang , Yan Xu , Xiaowei Zhou , Hujun Bao , Guofeng Zhang , Hongsheng Li

In a spoofing attack, a malicious actor impersonates a legitimate user to access or manipulate data without authorization. The vulnerability of cryptographic security mechanisms to compromised user credentials motivates spoofing attack…

信号处理 · 电气工程与系统科学 2024-01-17 Tien Ngoc Ha , Daniel Romero

This paper presents a novel defense strategy against static power side-channel attacks (PSCAs), a critical threat to cryptographic security. Our method is based on (1) carefully tuning high-Vth versus low-Vth cell selection during…

密码学与安全 · 计算机科学 2024-07-23 Jitendra Bhandari , Mohammed Nabeel , Likhitha Mankali , Ozgur Sinanoglu , Ramesh Karri , Johann Knechtel

Side-channel attacks try to extract secret information from a system by analyzing different side-channel signatures, such as power consumption, electromagnetic emanation, thermal dissipation, acoustics, time, etc. Power-based side-channel…

密码学与安全 · 计算机科学 2026-01-01 Sahan Sanjaya , Aruna Jayasena , Prabhat Mishra