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This article presents a selective survey of algorithms for the offline detection of multiple change points in multivariate time series. A general yet structuring methodological strategy is adopted to organize this vast body of work. More…

Computational Engineering, Finance, and Science · Computer Science 2020-07-14 Charles Truong , Laurent Oudre , Nicolas Vayatis

Recently, DETR pioneered the solution of vision tasks with transformers, it directly translates the image feature map into the object detection result. Though effective, translating the full feature map can be costly due to redundant…

Computer Vision and Pattern Recognition · Computer Science 2022-03-03 Tao Wang , Li Yuan , Yunpeng Chen , Jiashi Feng , Shuicheng Yan

This paper reports the development of a Python Non-Uniform Fast Fourier Transform (PyNUFFT) package, which accelerates non-Cartesian image reconstruction on heterogeneous platforms. Scientific computing with Python encompasses a mature and…

Medical Physics · Physics 2017-10-10 Jyh-Miin Lin

Compressed sensing is a processing method that significantly reduces the number of measurements needed to accurately resolve signals in many fields of science and engineering. We develop a two-dimensional (2D) variant of compressed sensing…

Quantum Physics · Physics 2012-07-17 J. N. Sanders , S. Mostame , S. K. Saikin , X. Andrade , J. R. Widom , A. H. Marcus , A. Aspuru-Guzik

Regression adjustment, sometimes known as Controlled-experiment Using Pre-Experiment Data (CUPED), is an important technique in internet experimentation. It decreases the variance of effect size estimates, often cutting confidence interval…

Methodology · Statistics 2023-11-30 Daniel Ting , Kenneth Hung

We present PyMoosh, a Python-based simulation library designed to provide a comprehensive set of numerical tools allowing to compute essentially all optical characteristics of multilayered structures, ranging from reflectance and…

collapse is a large C/C++-based infrastructure package facilitating complex statistical computing, data transformation, and exploration tasks in R - at outstanding levels of performance and memory efficiency. It also implements a…

Computation · Statistics 2025-06-02 Sebastian Krantz

State estimation is key to both analyzing physical mechanisms and enabling real-time control of fluid flows. A common estimation approach is to relate sensor measurements to a reduced state governed by a reduced-order model (ROM). (When…

Fluid Dynamics · Physics 2020-06-10 Nirmal J. Nair , Andres Goza

Astronomical data reduction is usually done with processing pipelines that consist of a series of individual processing steps that can be executed stand-alone. These processing steps are then strung together into workflows and fed with data…

Instrumentation and Methods for Astrophysics · Physics 2024-01-26 Wolfram Freudling , Stefano Zampieri , Lodovico Coccato , Stanislaw Podgorski , Martino Romaniello , Andrea Modigliani , John Pritchard

Riptide is a detector concept aiming to track fast neutrons. It is based on neutron--proton elastic collisions inside a plastic scintillator, where the neutron momentum can be measured by imaging the scintillation light. More specifically,…

Extremely high data rates expected in next-generation radio interferometers necessitate a fast and robust way to process measurements in a big data context. Dimensionality reduction can alleviate computational load needed to process these…

Instrumentation and Methods for Astrophysics · Physics 2017-09-13 S. Vijay Kartik , Arwa Dabbech , Jean-Philippe Thiran , Yves Wiaux

In the field of computational fluid dynamics, direct numerical simulations generate highly detailed data for the analysis of turbulent flows by resolving all relevant physical scales. Yet their large size, complexity, and heterogeneity make…

Fluid Dynamics · Physics 2026-03-26 Lorenzo Piu , Heinz Pitsch , Alessandro Parente

ATHENA is an open source Python package for reduction in parameter space. It implements several advanced numerical analysis techniques such as Active Subspaces (AS), Kernel-based Active Subspaces (KAS), and Nonlinear Level-set Learning…

Numerical Analysis · Mathematics 2022-04-19 Francesco Romor , Marco Tezzele , Gianluigi Rozza

Modern precision experiments trapping low-energy particles require detailed simulations of particle trajectories and spin precession to determine systematic measurement limitations and apparatus deficiencies. We developed PENTrack, a tool…

Instrumentation and Detectors · Physics 2017-05-24 Wolfgang Schreyer , Tatsuya Kikawa , Martin J. Losekamm , Stephan Paul , Rüdiger Picker

A powerful data transformation method named guided projections is proposed creating new possibilities to reveal the group structure of high-dimensional data in the presence of noise variables. Utilising projections onto a space spanned by a…

It has previously been shown that response transformations can be very effective in improving dimension reduction outcomes for a continuous response. The choice of transformation used can make a big difference in the visualization of the…

Methodology · Statistics 2021-07-01 Marina Masioti , Luke A. Prendergast , Amanda Shaker

Regarding intelligent transportation systems, low-bitrate transmission via lossy point cloud compression is vital for facilitating real-time collaborative perception among connected agents, such as vehicles and infrastructures, under…

Computer Vision and Pattern Recognition · Computer Science 2026-02-27 Hao Jing , Anhong Wang , Yifan Zhang , Donghan Bu , Junhui Hou

Automated scientific discovery with large language models is transforming the research lifecycle from ideation to experimentation, yet existing agents struggle to autonomously process raw data collected from scientific experiments. We…

Artificial Intelligence · Computer Science 2026-04-29 Ke Lin , Yilin Lu , Shreyas Bhat , Xuehang Guo , Junier Oliva , Qingyun Wang

Multi-messenger astronomy is becoming the key to understanding the Universe from a comprehensive perspective. In most cases, the data and the technology are already in place, therefore it is important to provide an easily-accessible package…

Instrumentation and Methods for Astrophysics · Physics 2015-12-07 M. Pilia , A. Trois , A. P. Pellizzoni , M. Bachetti , G. Piano , A. Poddighe , E. Egron , M. N. Iacolina , A. Melis , R. Concu , A. Possenti , D. Perrodin

ArchNEMESIS is an open-source Python package developed for the analysis of remote sensing spectroscopic observations of planetary atmospheres. It is based on the widely used NEMESIS radiative transfer and retrieval tool, which has been…

Instrumentation and Methods for Astrophysics · Physics 2025-07-29 Juan Alday , Joseph Penn , Patrick G. J. Irwin , Jonathon P. Mason , Jingxuan Yang