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We present observations of a region of the Galactic plane taken during the Early Science Program of the Australian Square Kilometre Array Pathfinder (ASKAP). In this context, we observed the SCORPIO field at 912 MHz with an uncompleted…

Time series visualization of streaming telemetry (i.e., charting of key metrics such as server load over time) is increasingly prevalent in modern data platforms and applications. However, many existing systems simply plot the raw data…

数据库 · 计算机科学 2017-09-20 Kexin Rong , Peter Bailis

The task of the multi-agent pathfinding (MAPF) problem is to navigate a team of agents from their start point to the goal points. However, this setup is unsuitable in the assembly line scenario, which is periodic with a long working hour.…

多智能体系统 · 计算机科学 2025-05-15 Mingkai Tang , Lu Gan , Kaichen Zhang

The challenging deployment of compute-intensive applications from domains such as Artificial Intelligence (AI) and Digital Signal Processing (DSP), forces the community of computing systems to explore new design approaches. Approximate…

Digital synoptic sky surveys pose several new object classification challenges. In surveys where real-time detection and classification of transient events is a science driver, there is a need for an effective elimination of…

天体物理学 · 物理学 2009-11-13 C. Donalek , A. Mahabal , S. G. Djorgovski , S. Marney , A. Drake , E. Glikman , M. J. Graham , R. Williams

We present the results of our investigations into options for the computing platform for the imaging pipeline in the CHILES project, an ultra-deep HI pathfinder for the era of the Square Kilometre Array. CHILES pushes the current computing…

Downsampling and path planning are essential in robotics and autonomous systems, as they enhance computational efficiency and enable effective navigation in complex environments. However, current downsampling methods often fail to preserve…

机器人学 · 计算机科学 2025-04-22 Yihui Mao , Shuo Liu

The localization of multiple signal sources using sensor arrays has been a long-standing research challenge. While numerous solutions have been developed, signal space methods like MUSIC and ESPRIT have gained widespread popularity. As…

信号处理 · 电气工程与系统科学 2025-01-22 Mehdi Haghshenas , Aamir Mahmood , Mikael Gidlund

Object detection in autonomous driving suffers from motion blur and saturation under fast motion and extreme lighting. Spike cameras, offer microsecond latency and ultra high dynamic range for object detection by using per pixel…

计算机视觉与模式识别 · 计算机科学 2025-11-20 Ziyan Liu , Qi Su , Lulu Tang , Zhaofei Yu , Tiejun Huang

We present adaptive sequential SAA (sample average approximation) algorithms to solve large-scale two-stage stochastic linear programs. The iterative algorithm framework we propose is organized into \emph{outer} and \emph{inner} iterations…

最优化与控制 · 数学 2020-12-08 Raghu Pasupathy , Yongjia Song

The Square Kilometre Array (SKA) will be both the largest radio telescope ever constructed and the largest Big Data project in the known Universe. The first phase of the project will generate on the order of 5 zettabytes of data per year. A…

天体物理仪器与方法 · 物理学 2018-11-21 Jamie Farnes , Ben Mort , Fred Dulwich , Stef Salvini , Wes Armour

In the field of structural health monitoring (SHM), the acquisition of acoustic emissions to localise damage sources has emerged as a popular approach. Despite recent advances, the task of locating damage within composite materials and…

机器学习 · 计算机科学 2020-12-22 Matthew R. Jones , Tim J. Rogers , Keith Worden , Elizabeth J. Cross

Research in Simultaneous Localization and Mapping (SLAM) has made outstanding progress over the past years. SLAM systems are nowadays transitioning from academic to real world applications. However, this transition has posed new demanding…

机器人学 · 计算机科学 2022-06-22 Michael Helmberger , Kristian Morin , Beda Berner , Nitish Kumar , Giovanni Cioffi , Davide Scaramuzza

In order to meet its cutting-edge scientific objectives, the Square Kilometre Array (SKA) telescope requires high-precision frequency references to be distributed to each of its antennas. The frequency references are distributed via…

We present the Pilot Survey Phase 2 data release for the Wide-field ASKAP L-band Legacy All-sky Blind surveY (WALLABY), carried-out using the Australian SKA Pathfinder (ASKAP). We present 1760 HI detections (with a default spatial…

Data series indexes are necessary for managing and analyzing the increasing amounts of data series collections that are nowadays available. These indexes support both exact and approximate similarity search, with approximate search…

数据库 · 计算机科学 2023-04-18 Zeyu Wang , Qitong Wang , Peng Wang , Themis Palpanas , Wei Wang

Accompanying Part I, this sequel delineates a validation of the recently proposed AI for Regularisation in radio-interferometric Imaging (AIRI) algorithm on observations from the Australian Square Kilometre Array Pathfinder (ASKAP). The…

天体物理仪器与方法 · 物理学 2023-09-11 Amanda G. Wilber , Arwa Dabbech , Matthieu Terris , Adrian Jackson , Yves Wiaux

Multi-Agent Path Finding (MAPF) is a problem of finding a sequence of movements for agents to reach their assigned location without collision. Centralized algorithms usually give optimal solutions, but have difficulties to scale without…

多智能体系统 · 计算机科学 2021-09-20 Poom Pianpak , Tran Cao Son

Superpixel decomposition methods are generally used as a pre-processing step to speed up image processing tasks. They group the pixels of an image into homogeneous regions while trying to respect existing contours. For all state-of-the-art…

计算机视觉与模式识别 · 计算机科学 2025-09-18 Rémi Giraud , Vinh-Thong Ta , Nicolas Papadakis

Here we describe the Compact Array Broadband Backend (CABB) and present first results obtained with the upgraded Australia Telescope Compact Array (ATCA). The 16-fold increase in observing bandwidth, from 2 x 128 MHz to 2 x 2048 MHz, high…