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The real-time transient stability assessment (TSA) plays a critical role in the secure operation of the power system. Although the classic numerical integration method, \textit{i.e.} time-domain simulation (TDS), has been widely used in…

Systems and Control · Electrical Eng. & Systems 2022-05-16 Kaixuan Chen , Shunyu Liu , Na Yu , Rong Yan , Quan Zhang , Jie Song , Zunlei Feng , Mingli Song

Device activity detection in the emerging cell-free massive multiple-input multiple-output (MIMO) systems has been recognized as a crucial task in machine-type communications, in which multiple access points (APs) jointly identify the…

Information Theory · Computer Science 2022-10-04 Yang Li , Qingfeng Lin , Ya-Feng Liu , Bo Ai , Yik-Chung Wu

Fast and accurate device activity detection is the critical challenge in grant-free access for supporting massive machine-type communications (mMTC) and ultra-reliable low-latency communications (URLLC) in 5G and beyond. The…

Optimization and Control · Mathematics 2025-03-25 Bowen Tan , Ying Cui

Activation functions (AF) are necessary components of neural networks that allow approximation of functions, but AFs in current use are usually simple monotonically increasing functions. In this paper, we propose trainable compound AF (TCA)…

Machine Learning · Computer Science 2022-04-28 Paul M. Baggenstoss

Transformer-based methods have achieved remarkable performance in event-based object detection, owing to the global modeling ability. However, they neglect the influence of non-event and noisy regions and process them uniformly, leading to…

Computer Vision and Pattern Recognition · Computer Science 2025-01-22 Nan Yang , Yang Wang , Zhanwen Liu , Meng Li , Yisheng An , Xiangmo Zhao

In recent years, imitation learning has made progress in the field of robotic manipulation. However, it still faces challenges when addressing complex long-horizon tasks with deformable objects, such as high-dimensional state spaces,…

Robotics · Computer Science 2025-03-14 Wendi Chen , Han Xue , Fangyuan Zhou , Yuan Fang , Cewu Lu

With the development of the 5G and Internet of Things, amounts of wireless devices need to share the limited spectrum resources. Dynamic spectrum access (DSA) is a promising paradigm to remedy the problem of inefficient spectrum utilization…

Networking and Internet Architecture · Computer Science 2021-06-18 Xiang Tan , Li Zhou , Haijun Wang , Yuli Sun , Haitao Zhao , Boon-Chong Seet , Jibo Wei , Victor C. M. Leung

Diffusion Transformers (DiTs) deliver state-of-the-art image quality, yet their training remains notoriously slow. A recent remedy -- representation alignment (REPA) that matches DiT hidden features to those of a non-generative teacher…

Computer Vision and Pattern Recognition · Computer Science 2025-05-23 Ziqiao Wang , Wangbo Zhao , Yuhao Zhou , Zekai Li , Zhiyuan Liang , Mingjia Shi , Xuanlei Zhao , Pengfei Zhou , Kaipeng Zhang , Zhangyang Wang , Kai Wang , Yang You

The prevalence of employing attention mechanisms has brought along concerns on the interpretability of attention distributions. Although it provides insights about how a model is operating, utilizing attention as the explanation of model…

Computer Vision and Pattern Recognition · Computer Science 2022-09-16 Tristan Gomez , Suiyi Ling , Thomas Fréour , Harold Mouchère

Depthwise separable convolution (DSC) has emerged as a crucial technique, especially for resource-constrained devices. In this paper, we propose a dual-engine for the DSC hardware accelerator, which enables the full utilization of depthwise…

Hardware Architecture · Computer Science 2025-03-18 Yi Chen , Jie Lou , Malte Wabnitz , Johnson Loh , Tobias Gemmeke

While mobile devices provide ever more compute power, improvements in DRAM bandwidth are much slower. This is unfortunate for large language model (LLM) token generation, which is heavily memory-bound. Previous work has proposed to leverage…

Machine Learning · Computer Science 2025-04-04 Marco Federici , Davide Belli , Mart van Baalen , Amir Jalalirad , Andrii Skliar , Bence Major , Markus Nagel , Paul Whatmough

Recent advances in both machine learning and Internet-of-Things have attracted attention to automatic Activity Recognition, where users wear a device with sensors and their outputs are mapped to a predefined set of activities. However, few…

Machine Learning · Computer Science 2019-08-20 Taku Yamagata , Raúl Santos-Rodríguez , Ryan McConville , Atis Elsts

Wearable sensor-based human activity recognition (HAR) is a critical research domain in activity perception. However, achieving high efficiency and long sequence recognition remains a challenge. Despite the extensive investigation of…

Computer Vision and Pattern Recognition · Computer Science 2024-08-09 Shuangjian Li , Tao Zhu , Furong Duan , Liming Chen , Huansheng Ning , Christopher Nugent , Yaping Wan

This study explores novel activation functions that enhance the ability of neural networks to manipulate data topology during training. Building on the limitations of traditional activation functions like $\mathrm{ReLU}$, we propose…

Machine Learning · Computer Science 2025-07-18 Pavel Snopov , Oleg R. Musin

Time series analysis has found widespread applications in areas such as weather forecasting, anomaly detection, and healthcare. While deep learning approaches have achieved significant success in this field, existing methods often adopt a…

Artificial Intelligence · Computer Science 2025-11-26 Xiangkai Ma , Xiaobin Hong , Wenzhong Li , Sanglu Lu

As more and more automatic vehicles, power consumption prediction becomes a vital issue for task scheduling and energy management. Most research focuses on automatic vehicles in transportation, but few focus on automatic ground vehicles…

Machine Learning · Computer Science 2025-01-22 Jia-Hao Syu , Jerry Chun-Wei Lin , Philip S. Yu

Considerable research attention has been paid to table detection by developing not only rule-based approaches reliant on hand-crafted heuristics but also deep learning approaches. Although recent studies successfully perform table detection…

Machine Learning · Computer Science 2022-11-15 Hyebin Kwon , Joungbin An , Dongwoo Lee , Won-Yong Shin

Direction-of-arrival (DOA) estimation for incoherently distributed (ID) sources is essential in multipath wireless communication scenarios, yet it remains challenging due to the combined effects of angular spread and gain-phase…

Signal Processing · Electrical Eng. & Systems 2025-01-29 He Xu , Tuo Wu , Wei Liu , Maged Elkashlan , Naofal Al-Dhahir , Merouane Debbah , Chau Yuen , Hing Cheung So

Neuromorphic Multiply-And-Accumulate (MAC) circuits utilizing synaptic weight elements based on SRAM or novel Non-Volatile Memories (NVMs) provide a promising approach for highly efficient hardware representations of neural networks. NVM…

Emerging Technologies · Computer Science 2018-09-14 Borna Obradovic , Titash Rakshit , Ryan Hatcher , Jorge A. Kittl , Mark S. Rodder

Massive MIMO is considered a key enabler to support massive machine-type communication (mMTC). While massive access schemes have been extensively analyzed for co-located massive MIMO arrays, this paper explores activity detection in…

Signal Processing · Electrical Eng. & Systems 2025-03-14 Ali Elkeshawy , Haifa Fares , Amor Nafkha