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Increased reliance on graphics processing units (GPUs) for high-intensity computing tasks raises challenges regarding energy consumption. To address this issue, dynamic voltage and frequency scaling (DVFS) has emerged as a promising…

Performance · Computer Science 2024-07-19 Qiang Wang , Laiyi Li , Weile Luo , Yijia Zhang , Bingqiang Wang

This study focuses on the critical aspect of robust state estimation for the safe navigation of an Autonomous Vehicle (AV). Existing literature primarily employs two prevalent techniques for state estimation, namely filtering-based and…

Robotics · Computer Science 2023-10-03 Pragyan Dahal , Jai Prakash , Stefano Arrigoni , Francesco Braghin

Robot vision is a fundamental device for human-robot interaction and robot complex tasks. In this paper, we use Kinect and propose a feature graph fusion (FGF) for robot recognition. Our feature fusion utilizes RGB and depth information to…

Computer Vision and Pattern Recognition · Computer Science 2017-03-27 Shenglan Liu , Muxin Sun , Wei Wang , Feilong Wang

Factor graph is a graph representing the factorization of a probability distribution function, and has been utilized in many autonomous machine computing tasks, such as localization, tracking, planning and control etc. We are developing an…

Robotics · Computer Science 2022-09-07 Yuhui Hao , Bo Yu , Qiang Liu , Shaoshan Liu , Yuhao Zhu

Field-Programmable Gate Arrays (FPGAs) are widely used in the central signal processing design of the Square Kilometre Array (SKA) as acceleration hardware. The frequency domain acceleration search (FDAS) module is an important part of the…

Distributed, Parallel, and Cluster Computing · Computer Science 2018-07-02 Haomiao Wang , Prabu Thiagaraj , Oliver Sinnen

As machine learning becomes more widely adopted across domains, it is critical that researchers and ML engineers think about the inherent biases in the data that may be perpetuated by the model. Recently, many studies have shown that such…

Machine Learning · Computer Science 2022-10-21 Sean Current , Yuntian He , Saket Gurukar , Srinivasan Parthasarathy

This article provides a survey of academic literature about field programmable gate array (FPGA) and their utilization for energy efficiency acceleration in data centers. The goal is to critically present the existing FPGA energy…

Distributed, Parallel, and Cluster Computing · Computer Science 2023-09-25 Mattia Tibaldi , Christian Pilato

Robust, high-precision global localization is fundamental to a wide range of outdoor robotics applications. Conventional fusion methods use low-accuracy pseudorange based GNSS measurements ($>>5m$ errors) and can only yield a coarse…

Perceptive mobile networks (PMN) have been widely recognized as a pivotal pillar for the sixth generation (6G) mobile communication systems. However, the asynchronicity between transmitters and receivers results in velocity and range…

Signal Processing · Electrical Eng. & Systems 2024-09-04 Xiao-Yang Wang , Shaoshi Yang , Hou-Yu Zhai , Christos Masouros , J. Andrew Zhang

Graph data augmentation has shown superiority in enhancing generalizability and robustness of GNNs in graph-level classifications. However, existing methods primarily focus on the augmentation in the graph signal space and the graph…

Machine Learning · Computer Science 2023-10-05 Xinyu Ma , Xu Chu , Yasha Wang , Yang Lin , Junfeng Zhao , Liantao Ma , Wenwu Zhu

Efficient and real time segmentation of color images has a variety of importance in many fields of computer vision such as image compression, medical imaging, mapping and autonomous navigation. Being one of the most computationally…

Computer Vision and Pattern Recognition · Computer Science 2017-10-09 Roopal Nahar , Akanksha Baranwal , K. Madhava Krishna

Building upon the theory of Kalman Filtering on Lie Groups, this paper describes an Extended Kalman Filter and Smoother for Loosely Coupled Integration of GNSS/INS tailored for post-processing applications. The approach employs a dynamic…

Robotics · Computer Science 2022-10-07 Marcos R. Fernandes , Giorgio M. Magalhães , Yusef Cáceres , João B. R. do Val

This paper presents a framework designed to tackle a range of planning problems arise in manipulation, which typically involve complex geometric-physical reasoning related to contact and dynamic constraints. We introduce the Contact Factor…

Robotics · Computer Science 2025-03-11 Jeongmin Lee , Sunkyung Park , Minji Lee , Dongjun Lee

Large-scale unconstrained optimization is a fundamental and important class of, yet not well-solved problems in numerical optimization. The main challenge in designing an algorithm is to require a few storage locations or very inexpensive…

Optimization and Control · Mathematics 2020-01-24 Zheng Li , Shi Shu , Jian-Ping Zhang

Graph Neural Networks (GNNs) have emerged as the state-of-the-art (SOTA) method for graph-based learning tasks. However, it still remains prohibitively challenging to inference GNNs over large graph datasets, limiting their application to…

Hardware Architecture · Computer Science 2021-09-21 Yongan Zhang , Haoran You , Yonggan Fu , Tong Geng , Ang Li , Yingyan Lin

Reconfigurable Intelligent Surfaces (RISs) have emerged as a promising technology for enhancing satellite communication systems by manipulating the phase of electromagnetic waves. This study addresses optimising phase shift values…

Signal Processing · Electrical Eng. & Systems 2023-08-11 Muhammad I Khalil

This note develops easily applicable techniques that improve the convergence and reduce the computational time of indirect low thrust trajectory optimization when solving fuel- and time-optimal problems. For solving fuel optimal (FO)…

Optimization and Control · Mathematics 2022-08-25 Minduli C. Wijayatunga , Roberto Armellin , Laura Pirovano

Scalability of Graph Neural Networks (GNNs) remains a significant challenge. To tackle this, methods like coarsening, condensation, and computation trees are used to train on a smaller graph, resulting in faster computation. Nonetheless,…

Machine Learning · Computer Science 2026-04-13 Shubhajit Roy , Hrriday Ruparel , Kishan Ved , Anirban Dasgupta

This paper presents a high-precision positioning system that integrates ultra-wideband (UWB) time difference of arrival (TDoA) measurements, inertial measurement unit (IMU) data, and ultrasonic sensors through factor graph optimization. To…

Systems and Control · Electrical Eng. & Systems 2025-03-18 Fengyun Zhang , Jia Li , Xiaoqing Zhang , Shukai Duan , Shuang-Hua Yang

Traffic prediction is a spatiotemporal predictive task that plays an essential role in intelligent transportation systems. Today, graph convolutional neural networks (GCNNs) have become the prevailing models in the traffic prediction…

Machine Learning · Computer Science 2023-06-01 Ta Jiun Ting , Xiaocan Li , Scott Sanner , Baher Abdulhai