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Artificial intelligence provides an unprecedented perspective for studying phases of matter in condensed-matter systems. Image segmentation is a basic technique of computer vision that belongs to a branch of artificial intelligence. In this…

Strongly Correlated Electrons · Physics 2021-04-13 Yuan Yang , Zhengchuan Wang , Shi-Ju Ran , Gang Su

Connectionist Temporal Classification (CTC), a non-autoregressive training criterion, is widely used in online keyword spotting (KWS). However, existing CTC-based KWS decoding strategies either rely on Automatic Speech Recognition (ASR),…

Audio and Speech Processing · Electrical Eng. & Systems 2024-12-25 Yu Xi , Haoyu Li , Xiaoyu Gu , Hao Li , Yidi Jiang , Kai Yu

This paper investigates backdoor attacks in image-oriented semantic communications. The threat of backdoor attacks on symbol reconstruction in semantic communication (SemCom) systems has received limited attention. Previous research on…

Cryptography and Security · Computer Science 2026-03-30 Jialin Wan , Jinglong Shen , Nan Cheng , Zhisheng Yin , Yiliang Liu , Wenchao Xu , Xuemin , Shen

Vision Transformers (ViTs) have achieved record-breaking performance in various visual tasks. However, concerns about their robustness against backdoor attacks have grown. Backdoor attacks involve associating a specific trigger with a…

Computer Vision and Pattern Recognition · Computer Science 2024-12-20 Deng Siqin , Zhou Xiaoyi

This paper outlines the design of `Quest-V', which is implemented as a collection of separate kernels operating together as a distributed system on a chip. Quest-V uses virtualization techniques to isolate kernels and prevent local faults…

Operating Systems · Computer Science 2011-12-22 Ye Li , Matthew Danish , Richard West

Power analysis is a branch of side channel attacks where power consumption data is used as the side channel to attack the system. First using a device like an oscilloscope power traces are collected when the cryptographic device is doing…

Cryptography and Security · Computer Science 2018-01-04 Hasindu Gamaarachchi , Harsha Ganegoda

Obtaining the human-like perception ability of abstracting visual concepts from concrete pixels has always been a fundamental and important target in machine learning research fields such as disentangled representation learning and scene…

Computer Vision and Pattern Recognition · Computer Science 2022-10-14 Tao Yang , Yuwang Wang , Yan Lu , Nanning Zheng

Modern video object segmentation (VOS) algorithms have achieved remarkably high performance in a sequential processing order, while most of currently prevailing pipelines still show some obvious inadequacy like accumulative error, unknown…

Computer Vision and Pattern Recognition · Computer Science 2022-07-26 Yuxi Li , Ning Xu , Wenjie Yang , John See , Weiyao Lin

PCM is a popular backing memory for DRAM main memory in tiered memory systems. PCM has asymmetric access energy; writes dominate reads. MLC asymmetry can vary by an order of magnitude. Many schemes have been developed to take advantage of…

Hardware Architecture · Computer Science 2021-12-06 Stephen Longofono , Seyed Mohammad Seyedzadeh , Alex K. Jones

We consider how to most efficiently leverage teleoperator time to collect data for learning robust image-based value functions and policies for sparse reward robotic tasks. To accomplish this goal, we modify the process of data collection…

Robotics · Computer Science 2022-10-06 David Brandfonbrener , Stephen Tu , Avi Singh , Stefan Welker , Chad Boodoo , Nikolai Matni , Jake Varley

We introduce a new timing side-channel attack on Intel CPU processors. Our Frontal attack exploits timing differences that arise from how the CPU frontend fetches and processes instructions while being interrupted. In particular, we observe…

Cryptography and Security · Computer Science 2021-06-08 Ivan Puddu , Moritz Schneider , Miro Haller , Srdjan Čapkun

The forthcoming Versatile Video Coding (VVC) standard adopts the trellis-coded quantization, which leverages the delicate trellis graph to map the quantization candidates within one block into the optimal path. Despite the high compression…

Multimedia · Computer Science 2021-02-24 Meng Wang , Shiqi Wang , Junru Li , Li Zhang , Yue Wang , Siwei Ma , Sam Kwong

This paper studies the problem of extracting common randomness (CR) or secret keys from correlated random sources observed by two legitimate parties, Alice and Bob, through public discussion in the presence of an eavesdropper, Eve. We…

Information Theory · Computer Science 2025-10-03 Xinyang Li , Vlad C. Andrei , Peter J. Gu , Yiqi Chen , Ullrich J. Mönich , Holger Boche

Intro: Vocal cord ultrasound (VCUS) has emerged as a less invasive and better tolerated examination technique, but its accuracy is operator dependent. This research aims to apply a machine learning-assisted algorithm to automatically…

Machine Learning · Computer Science 2025-12-30 Will Sebelik-Lassiter , Evan Schubert , Muhammad Alliyu , Quentin Robbins , Excel Olatunji , Mustafa Barry

We investigate segmenting and clustering speech into low-bitrate phone-like sequences without supervision. We specifically constrain pretrained self-supervised vector-quantized (VQ) neural networks so that blocks of contiguous feature…

Computation and Language · Computer Science 2021-06-14 Herman Kamper , Benjamin van Niekerk

We present the first acoustic side-channel attack that recovers what users type on the virtual keyboard of their touch-screen smartphone or tablet. When a user taps the screen with a finger, the tap generates a sound wave that propagates on…

Cryptography and Security · Computer Science 2019-03-28 Ilia Shumailov , Laurent Simon , Jeff Yan , Ross Anderson

In this work, we introduce a novel GPU-accelerated circuit satisfiability (CircuitSAT) sampling technique for sequential circuits. This work is motivated by the requirement in constrained random verification (CRV) to generate input stimuli…

Hardware Architecture · Computer Science 2025-03-04 Arash Ardakani , Kevin He , John Wawrzynek

Recently, machine learning has been successfully applied to model-based left ventricle (LV) segmentation. The general framework involves two stages, which starts with LV localization and is followed by boundary delineation. Both are driven…

Computer Vision and Pattern Recognition · Computer Science 2015-07-29 Peng Sun , Haoyin Zhou , Devon Lundine , James K. Min , Guanglei Xiong

Cache-based side channels enable a dedicated attacker to reveal program secrets by measuring the cache access patterns. Practical attacks have been shown against real-world crypto algorithm implementations such as RSA, AES, and ElGamal. By…

Cryptography and Security · Computer Science 2019-06-03 Shuai Wang , Yuyan Bao , Xiao Liu , Pei Wang , Danfeng Zhang , Dinghao Wu

Acoustic Side-Channel Attacks (ASCAs) extract sensitive information by using audio emitted from a computing devices and their peripherals. Attacks targeting keyboards are popular and have been explored in the literature. However, similar…

Cryptography and Security · Computer Science 2025-05-06 Mauro Conti , Marin Duroyon , Gabriele Orazi , Gene Tsudik