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Graph transformers are a recent advancement in machine learning, offering a new class of neural network models for graph-structured data. The synergy between transformers and graph learning demonstrates strong performance and versatility…

机器学习 · 计算机科学 2025-12-23 Ahsan Shehzad , Feng Xia , Shagufta Abid , Ciyuan Peng , Shuo Yu , Dongyu Zhang , Karin Verspoor

Context. We have developed deep learning (DL) and AI-based tools to search extant narrow-band wide-field H$\alpha$ surveys of the Galactic Plane for elusive planetary nebulae (PNe) which are hidden in dense star fields towards the Galactic…

星系天体物理 · 物理学 2024-12-11 Yushan Li , Quentin Parker , Peng Jia

Unlabeled data is a key component of modern machine learning. In general, the role of unlabeled data is to impose a form of smoothness, usually from the similarity information encoded in a base kernel, such as the $\epsilon$-neighbor kernel…

机器学习 · 统计学 2024-02-02 Runtian Zhai , Rattana Pukdee , Roger Jin , Maria-Florina Balcan , Pradeep Ravikumar

During the last decade, there has been an explosive growth in survey data and deep learning techniques, both of which have enabled great advances for astronomy. The amount of data from various surveys from multiple epochs with a wide range…

天体物理仪器与方法 · 物理学 2021-02-08 Brandon Buncher , Awshesh Nath Sharma , Matias Carrasco Kind

Demystifying interactions between temporal patterns of different scales is fundamental to precise long-range time series forecasting. However, previous works lack the ability to model high-order interactions. To promote more comprehensive…

机器学习 · 计算机科学 2024-12-24 Zongjiang Shang , Ling Chen , Binqing Wu , Dongliang Cui

Establishing accurate morphological measurements of galaxies in a reasonable amount of time for future big-data surveys such as EUCLID, the Large Synoptic Survey Telescope or the Wide Field Infrared Survey Telescope is a challenge. Because…

天体物理仪器与方法 · 物理学 2017-06-14 D. Tuccillo , M. Huertas-Company , E. Decenciere , S. Velasco-Forero

Time series forecasting plays a crucial role in decision-making across various domains, but it presents significant challenges. Recent studies have explored image-driven approaches using computer vision models to address these challenges,…

计算机视觉与模式识别 · 计算机科学 2024-03-19 Zhen Zeng , Rachneet Kaur , Suchetha Siddagangappa , Tucker Balch , Manuela Veloso

In the context of radio galaxy classification, most state-of-the-art neural network algorithms have been focused on single survey data. The question of whether these trained algorithms have cross-survey identification ability or can be…

天体物理仪器与方法 · 物理学 2019-07-31 Hongming Tang , Anna M. M. Scaife , J. P. Leahy

There is a recent growing interest in applying Deep Learning techniques to tabular data, in order to replicate the success of other Artificial Intelligence areas in this structured domain. Specifically interesting is the case in which…

机器学习 · 计算机科学 2025-05-06 Simone Luetto , Fabrizio Garuti , Enver Sangineto , Lorenzo Forni , Rita Cucchiara

We present a modular, extensible likelihood framework for spectroscopic inference based on synthetic model spectra. The subtraction of an imperfect model from a continuously sampled spectrum introduces covariance between adjacent datapoints…

太阳与恒星天体物理 · 物理学 2015-10-21 Ian Czekala , Sean M. Andrews , Kaisey S. Mandel , David W. Hogg , Gregory M. Green

The exploration of large-scale unknown environments can benefit from the deployment of multiple robots for collaborative mapping. Each robot explores a section of the environment and communicates onboard pose estimates and maps to a central…

机器人学 · 计算机科学 2022-11-03 Lukas Bernreiter , Shehryar Khattak , Lionel Ott , Roland Siegwart , Marco Hutter , Cesar Cadena

Non-parallel text style transfer has attracted increasing research interests in recent years. Despite successes in transferring the style based on the encoder-decoder framework, current approaches still lack the ability to preserve the…

计算与语言 · 计算机科学 2021-02-02 Yukai Shi , Sen Zhang , Chenxing Zhou , Xiaodan Liang , Xiaojun Yang , Liang Lin

Existing efforts are dedicated to designing many topologies and graph-aware strategies for the graph Transformer, which greatly improve the model's representation capabilities. However, manually determining the suitable Transformer…

神经与进化计算 · 计算机科学 2024-10-24 Chao Wang , Jiaxuan Zhao , Lingling Li , Licheng Jiao , Fang Liu , Shuyuan Yang

SpectraPlot is a web-based application for simulating spectra of atomic and molecular gases. At the time this manuscript was written, SpectraPlot consisted of four primary tools for calculating: 1) atomic and molecular absorption spectra,…

Orchestrating parametric fitting of multicomponent spectra at scale is an essential yet underappreciated task in high-throughput quantification of materials and chemical composition. To automate the annotation process for spectroscopic and…

材料科学 · 物理学 2021-03-30 Rui Patrick Xian , Ralph Ernstorfer , Philipp Michael Pelz

Distributed deep neural network (DDNN) training constitutes an increasingly important workload that frequently runs in the cloud. Larger DNN models and faster compute engines are shifting DDNN training bottlenecks from computation to…

分布式、并行与集群计算 · 计算机科学 2020-01-22 Liang Luo , Jacob Nelson , Luis Ceze , Amar Phanishayee , Arvind Krishnamurthy

In this paper we propose an adaptive deep neural architecture for the prediction of multiple soil characteristics from the analysis of hyperspectral signatures. The proposed method overcomes the limitations of previous methods in the state…

计算机视觉与模式识别 · 计算机科学 2022-11-01 Flavio Piccoli , Micol Rossini , Roberto Colombo , Raimondo Schettini , Paolo Napoletano

Hyperspectral imaging provides detailed spectral information, offering significant potential for monitoring greenhouse gases like CH4 and NO2. However, its application is constrained by limited spatial coverage and infrequent revisit times.…

In this paper, we propose Neural Spectrum Decomposition, a generic decomposition framework for dataset distillation. Unlike previous methods, we consider the entire dataset as a high-dimensional observation that is low-rank across all…

计算机视觉与模式识别 · 计算机科学 2024-08-30 Shaolei Yang , Shen Cheng , Mingbo Hong , Haoqiang Fan , Xing Wei , Shuaicheng Liu