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Deep learning has achieved great success in a wide spectrum of multimedia applications such as image classification, natural language processing and multimodal data analysis. Recent years have seen the development of many deep learning…

机器学习 · 计算机科学 2021-08-06 Naili Xing , Sai Ho Yeung , Chenghao Cai , Teck Khim Ng , Wei Wang , Kaiyuan Yang , Nan Yang , Meihui Zhang , Gang Chen , Beng Chin Ooi

We present a detailed comparison of two approaches, the use of a pre-calculated database and simulated annealing (SA), for fitting the continuum spectral energy distribution (SED) of astrophysical objects whose appearance is dominated by…

地球与行星天体物理 · 物理学 2015-06-12 Yao Liu , David Madlener , Sebastian Wolf , Hongchi Wang

Radiation of supersoft X-ray sources (SSS) dominates both the supersof X-ray and the far-UV domain. A fraction of their radiation can be reprocessed into the thermal nebular emission, seen in the spectrum from the near-UV to longer…

太阳与恒星天体物理 · 物理学 2015-06-18 Augustin Skopal

Realizing dexterous embodied manipulation necessitates the deep integration of heterogeneous multimodal sensory inputs. However, current vision-centric paradigms often overlook the critical force and geometric feedback essential for complex…

机器人学 · 计算机科学 2026-02-24 Yirui Sun , Guangyu Zhuge , Keliang Liu , Jie Gu , Zhihao xia , Qionglin Ren , Chunxu tian , Zhongxue Ga

Matrix decomposition is one of the fundamental tools to discover knowledge from big data generated by modern applications. However, it is still inefficient or infeasible to process very big data using such a method in a single machine.…

机器学习 · 计算机科学 2020-02-11 Chihao Zhang , Yang Yang , Wei Zhang , Shihua Zhang

Traditional spectral energy distribution (SED) fitting techniques face uncertainties due to assumptions in star formation histories and dust attenuation curves. We propose an advanced machine learning-based approach that enhances…

天体物理仪器与方法 · 物理学 2024-02-13 Sankalp Gilda

Mixture of Experts (MoE) is a popular framework in the fields of statistics and machine learning for modeling heterogeneity in data for regression, classification and clustering. MoE for continuous data are usually based on the normal…

统计方法学 · 统计学 2016-12-22 Faicel Chamroukhi

Mixture-of-Experts (MoE) models enable scalable performance by activating large parameter sets sparsely, minimizing computational overhead. To mitigate the prohibitive cost of training MoEs from scratch, recent work employs upcycling,…

机器学习 · 计算机科学 2025-11-13 Qi Wang , Hanyang Peng , Yue Yu

I describe an approach to fitting and comparison of radio spectra based on Bayesian analysis and realised using a new implementation of the nested sampling algorithm. Such an approach improves on the commonly used maximum-likelihood fitting…

天体物理仪器与方法 · 物理学 2009-12-14 Bojan Nikolic

This paper presents a Multi-Robot Multi-Source Term Estimation (MRMSTE) framework that enables teams of mobile robots to collaboratively sample gas concentrations and infer the parameters of an unknown number of airborne releases. The…

机器人学 · 计算机科学 2025-12-22 Rohit V. Nanavati , Tim J. Glover , Matthew J. Coombes , Cunjia Liu

Learning user sequence behaviour embedding is very sophisticated and challenging due to the complicated feature interactions over time and high dimensions of user features. Recent emerging foundation models, e.g., BERT and its variants,…

机器学习 · 计算机科学 2022-07-12 Caigao Jiang , Siqiao Xue , James Zhang , Lingyue Liu , Zhibo Zhu , Hongyan Hao

We introduce Multi-Source 3D (MS3D), a new self-training pipeline for unsupervised domain adaptation in 3D object detection. Despite the remarkable accuracy of 3D detectors, they often overfit to specific domain biases, leading to…

计算机视觉与模式识别 · 计算机科学 2023-05-10 Darren Tsai , Julie Stephany Berrio , Mao Shan , Eduardo Nebot , Stewart Worrall

One of the biggest problems faced by current and next-generation astronomical surveys is trying to produce large numbers of accurate cross identifications across a range of wavelength regimes with varying data quality and positional…

宇宙学与河外天体物理 · 物理学 2015-05-13 Isaac G. Roseboom , Seb Oliver , David Parkinson , Mattia Vaccari

Semi-supervised learning has been employed to alleviate the need for extensive labeled data for histopathology image segmentation, but existing methods struggle with noisy pseudo-labels due to ambiguous gland boundaries and morphological…

计算机视觉与模式识别 · 计算机科学 2025-09-18 Nguyen Lan Vi Vu , Thanh-Huy Nguyen , Thien Nguyen , Daisuke Kihara , Tianyang Wang , Xingjian Li , Min Xu

Multimodal remote sensing image (MRSI) matching is pivotal for cross-modal fusion, localization, and object detection, but it faces severe challenges due to geometric, radiometric, and viewpoint discrepancies across imaging modalities.…

计算机视觉与模式识别 · 计算机科学 2025-03-21 Peihao Wu , Yongxiang Yao , Wenfei Zhang , Dong Wei , Yi Wan , Yansheng Li , Yongjun Zhang

Stacked AutoEncoders (SAE) have been widely adopted in edge anomaly detection scenarios. However, the resource-intensive nature of SAE can pose significant challenges for edge devices, which are typically resource-constrained and must adapt…

神经与进化计算 · 计算机科学 2026-03-17 Lizhao Zhang , Shengsong Kong , Tao Guo , Shaobo Li , Zhenzhou Ji

The Finite Element Method (FEM) is widely used in engineering and scientific computing, but its pre-processing, solver configuration, and post-processing stages are often time-consuming and require specialized knowledge. This paper proposes…

机器学习 · 计算机科学 2025-10-15 Tao Zhang , Zhenhai Liu , Yong Xin , Yongjun Jiao

Evolutionary Multitasking (EMT) paradigm, an emerging research topic in evolutionary computation, has been successfully applied in solving high-dimensional feature selection (FS) problems recently. However, existing EMT-based FS methods…

神经与进化计算 · 计算机科学 2024-01-04 Yinglan Feng , Liang Feng , Songbai Liu , Sam Kwong , Kay Chen Tan

The task of clustering a set of objects based on multiple sources of data arises in several modern applications. We propose an integrative statistical model that permits a separate clustering of the objects for each data source. These…

机器学习 · 统计学 2015-12-01 Eric F. Lock , David B. Dunson

Since 2014, MUSE, the Multi-Unit Spectroscopic Explorer, is in operation at the ESO-VLT. It combines a superb spatial sampling with a large wavelength coverage. By design, MUSE is an integral-field instrument, but its field-of-view and…

天体物理仪器与方法 · 物理学 2015-12-23 Andreas Kelz , Sebastian Kamann , Tanya Urrutia , Peter Weilbacher , Lutz Wisotzki , Roland Bacon