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Contrast pattern mining (CPM) aims to discover patterns whose support increases significantly from a background dataset compared to a target dataset. CPM is particularly useful for characterising changes in evolving systems, e.g., in…

Networking and Internet Architecture · Computer Science 2020-12-01 Elaheh AlipourChavary , Sarah M. Erfani , Christopher Leckie

The estimation of a density profile from experimental data points is a challenging problem, usually tackled by plotting a histogram. Prior assumptions on the nature of the density, from its smoothness to the specification of its form, allow…

Methodology · Statistics 2015-03-13 Alberto Bernacchia , Simone Pigolotti

We have used a Fourier Transform Spectrometer on the James Clerk Maxwell Telescope to study the submillimetre continuum emission from dust in three hot molecular cores (HMC). The spectral index beta of the dust emission for these sources…

Astrophysics · Physics 2009-11-11 R. K. Friesen , D. Johnstone , D. A. Naylor , G. R. Davis

This paper presents a novel CNN-based approach for synthesizing high-resolution LiDAR point cloud data. Our approach generates semantically and perceptually realistic results with guidance from specialized loss-functions. First, we utilize…

Image and Video Processing · Electrical Eng. & Systems 2021-09-27 Larissa T. Triess , David Peter , Christoph B. Rist , Markus Enzweiler , J. Marius Zöllner

The Sky Quality Meter (SQM) has become the most common device to track the evolution of the brightness of the sky from polluted regions to first class astronomical observatories. A vast database of SQM measurements already exists for many…

Instrumentation and Methods for Astrophysics · Physics 2017-03-22 A. Sánchez de Miguel , M. Aubé J. Zamorano , M. Kocifaj , J. Roby , C. Tapia

During the last decade, a large number of different numerical methods have been proposed to tackle the automatic identification and quantification in {\gamma}-ray spectrometry. However, the lack of common benchmarks, including datasets,…

Machine Learning · Computer Science 2025-08-13 Dinh Triem Phan , Jérôme Bobin , Cheick Thiam , Christophe Bobin

Consistency Models (CM) (Song et al., 2023) accelerate score-based diffusion model sampling at the cost of sample quality but lack a natural way to trade-off quality for speed. To address this limitation, we propose Consistency Trajectory…

In the field of chemistry, there have been many attempts to predict the properties of unknown compounds from statistical models constructed using machine learning. In an area where many known compounds are present (the interpolation area),…

Machine Learning · Computer Science 2020-09-22 Kohei Numata , Kenichi Tanaka

Sequential decision making significantly speeds up research and is more cost-effective compared to fixed-n methods. We present a method for sequential decision making for stratified count data that retains Type-I error guarantee or false…

Methodology · Statistics 2023-02-23 Rosanne J. Turner , Peter D. Grünwald

Line-intensity mapping (LIM) is an emerging observational technique that is used to observe the universe on large scales at low resolution through spectral line emission. Stacking analyses coadd cutouts of LIM data on positions of known…

Cosmology and Nongalactic Astrophysics · Physics 2025-12-30 Ella M. Mansfield , Delaney A. Dunne , Dongwoo T. Chung

Stellar abundance analysis relies on flexible, high-performance spectral synthesis. To meet these needs, we present PySME v1.0, an updated Python implementation of Spectroscopy Made Easy (SME) designed for precise and survey-scale modelling…

Instrumentation and Methods for Astrophysics · Physics 2026-05-12 Mingjie Jian , Nikolai Piskunov , Jeff Valenti , Ella Xi Wang , Brian Thorsbro , Henrik Jönsson , Ansgar Wehrhahn

Scientific papers use schematic diagrams to communicate methods, workflows, and system structure, yet existing scientific-figure corpora often mix them with plots, screenshots, and photographs and rarely preserve document context. We…

Information Retrieval · Computer Science 2026-05-28 Ling Yue , Tingwen Zhang , Jiaying Wang , Zhen Xu , Shaowu Pan

We analyse the correlations between continuum properties and emission line equivalent widths of star-forming and active galaxies from the Sloan Digital Sky Survey. Since upcoming large sky surveys will make broad-band observations only,…

Astrophysics of Galaxies · Physics 2016-01-22 Róbert Beck , László Dobos , Ching-Wa Yip , Alexander S. Szalay , István Csabai

A new model validation and performance assessment tool is introduced, the sliding threshold of observation for numeric evaluation (STONE) curve. It is based on the relative operating characteristic (ROC) curve technique, but instead of…

Space Physics · Physics 2023-07-17 Michael W. Liemohn , Abigail R. Azari , Natalia Ganushkina , Lutz Rastaetter

Sampling from unnormalized target distributions is a fundamental yet challenging task in machine learning and statistics. Existing sampling algorithms typically require many iterative steps to produce high-quality samples, leading to high…

Machine Learning · Computer Science 2025-02-17 Pascal Jutras-Dubé , Patrick Pynadath , Ruqi Zhang

Context: Data from ground-based, high-resolution solar telescopes can only be used for science with calibrations and processing, which requires detailed knowledge about the instrumentation. [...] Aims: We aim to provide observers with a…

Instrumentation and Methods for Astrophysics · Physics 2021-09-29 M. G. Löfdahl , T. Hillberg , J. de la Cruz Rodriguez , G. Vissers , O. Andriienko , G. B. Scharmer , S. V. H. Haugan , T. Fredvik

Shotgun proteomics is a high-throughput technology used to identify unknown proteins in a complex mixture. At the heart of this process is a prediction task, the spectrum identification problem, in which each fragmentation spectrum produced…

Computational Engineering, Finance, and Science · Computer Science 2012-10-19 Ajit P. Singh , John Halloran , Jeff A. Bilmes , Katrin Kirchoff , William S. Noble

Semantic image synthesis (SIS) is a task to generate realistic images corresponding to semantic maps (labels). However, in real-world applications, SIS often encounters noisy user inputs. To address this, we propose Stochastic Conditional…

Computer Vision and Pattern Recognition · Computer Science 2024-06-04 Juyeon Ko , Inho Kong , Dogyun Park , Hyunwoo J. Kim

The desiderata for an ideal photon source are high brightness, high single-photon purity, and high indistinguishability. Defining brightness at the first collection lens, these properties have been simultaneously demonstrated with…

Researchers faced with a sequence of candidate model specifications must often choose the best specification that does not violate a testable identification assumption. One option in this scenario is sequential specification tests:…

Methodology · Statistics 2023-07-25 Adam C. Sales
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