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Feature selection (FS) is a key research area in the machine learning and data mining fields, removing irrelevant and redundant features usually helps to reduce the effort required to process a dataset while maintaining or even improving…

机器学习 · 计算机科学 2018-11-02 Raul-Jose Palma-Mendoza , Daniel Rodriguez , Luis de-Marcos

We introduce AbsInf, a lightweight abstract object designed as a high-performance alternative to Python's native float('inf') within pathfinding algorithms. Implemented as a C-based Python extension, AbsInf bypasses IEEE-754 float coercion…

编程语言 · 计算机科学 2025-04-08 Anjan Bellamkonda , Laksh Bharani , Harivatsan Selvam

Python has emerged as one of the most popular programming languages, extensively utilized in domains such as machine learning, data analysis, and web applications. Python's dynamic nature and extensive usage make it an attractive candidate…

软件工程 · 计算机科学 2024-03-04 Islem Bouzenia , Bajaj Piyush Krishan , Michael Pradel

The Python functions distributed with this article can be used for calculating the parameters of multichannel quantum defect theory models describing excited bound states of complex atoms. These parameters are obtained by fitting a model to…

原子物理 · 物理学 2024-09-20 R. M. Potvliege

Motivated by the growing demand for low-precision arithmetic in computational science, we exploit lower-precision emulation in Python -- widely regarded as the dominant programming language for numerical analysis and machine learning.…

机器学习 · 计算机科学 2026-02-26 Erin Carson , Xinye Chen

Generative diffusion models show promise for data augmentation. However, applying them to fine-grained tasks presents a significant challenge: ensuring synthetic images accurately capture the subtle, category-defining features critical for…

计算机视觉与模式识别 · 计算机科学 2025-12-02 Zhiguang Lu , Qianqian Xu , Peisong Wen , Siran Dai , Qingming Huang

Transcriptomic analysis are characterized by being not directly quantitative and only providing relative measurements of expression levels up to an unknown individual scaling factor. This difficulty is enhanced for differential expression…

统计方法学 · 统计学 2021-03-24 Dorota Desaulle , Céline Hoffmann , Bernard Hainque , Yves Rozenholc

We introduce PyChEst, a Python package which provides tools for the simultaneous estimation of multiple changepoints in the distribution of piece-wise stationary time series. The nonparametric algorithms implemented are provably consistent…

统计计算 · 统计学 2021-12-21 Azadeh Khaleghi , Lukas Zierahn

psifx is a plug-and-play multi-modal feature extraction toolkit, aiming to facilitate and democratize the use of state-of-the-art machine learning techniques for human sciences research. It is motivated by a need (a) to automate and…

计算与语言 · 计算机科学 2026-05-06 Guillaume Rochette , Mathieu Rochat , Nizar Michaud , Matthew J. Vowels

Intraoperative hypotension (IOH) prediction using past physiological signals is crucial, as IOH may lead to inadequate organ perfusion and significantly elevate the risk of severe complications and mortality. However, current methods often…

机器学习 · 计算机科学 2025-09-26 Mingyue Cheng , Jintao Zhang , Zhiding Liu , Chunli Liu

Diffusion-based generative models have shown promise in synthesizing histopathology images to address data scarcity caused by privacy constraints. Diagnostic text reports provide high-level semantic descriptions, and masks offer…

计算机视觉与模式识别 · 计算机科学 2025-07-01 Mahesh Bhosale , Abdul Wasi , Yuanhao Zhai , Yunjie Tian , Samuel Border , Nan Xi , Pinaki Sarder , Junsong Yuan , David Doermann , Xuan Gong

In recent years, deep learning methods have shown impressive results for camera-based remote physiological signal estimation, clearly surpassing traditional methods. However, the performance and generalization ability of Deep Neural…

计算机视觉与模式识别 · 计算机科学 2024-08-01 Joaquim Comas , Antonia Alomar , Adria Ruiz , Federico Sukno

The semiparametric accelerated failure time (AFT) model offers a direct and interpretable alternative to the Cox proportional hazards model, yet practical diagnostic tools for this framework remain limited. We introduce afttest, an R…

统计计算 · 统计学 2026-03-09 Woojung Bae , Dongrak Choi , Jun Yan , Sangwook Kang

Benchmark quality is critical for meaningful evaluation and sustained progress in time series forecasting, particularly with the rise of pretrained models. Existing benchmarks often have limited domain coverage or overlook real-world…

Time series processing and feature extraction are crucial and time-intensive steps in conventional machine learning pipelines. Existing packages are limited in their applicability, as they cannot cope with irregularly-sampled or…

机器学习 · 计算机科学 2021-12-23 Jonas Van Der Donckt , Jeroen Van Der Donckt , Emiel Deprost , Sofie Van Hoecke

The usage of the high-level scripting language Python has enabled new mechanisms for data interrogation, discovery and visualization of scientific data. We present yt, an open source, community-developed astrophysical analysis and…

天体物理仪器与方法 · 物理学 2011-12-21 Matthew J. Turk , Britton D. Smith

Parameter-efficient fine-tuning (PEFT) has shown its effectiveness in adapting the pre-trained language models to downstream tasks while only updating a small number of parameters. Despite the success, most existing methods independently…

计算与语言 · 计算机科学 2023-11-14 Hao Zhao , Jie Fu , Zhaofeng He

We present a new software pipeline -- PyMorph -- for automated estimation of structural parameters of galaxies. Both parametric fits through a two dimensional bulge disk decomposition as well as structural parameter measurements like…

天体物理仪器与方法 · 物理学 2015-05-19 Vinu Vikram , Yogesh Wadadekar , Ajit K. Kembhavi , G. V. Vijayagovindan

Hard Thresholding Pursuit (HTP) has aroused increasing attention for its robust theoretical guarantees and impressive numerical performance in non-convex optimization. In this paper, we introduce a novel tuning-free procedure, named…

统计理论 · 数学 2025-01-07 Yanhang Zhang , Zhifan Li , Shixiang Liu , Xueqin Wang , Jianxin Yin

Interpretability of learning algorithms is crucial for applications involving critical decisions, and variable importance is one of the main interpretation tools. Shapley effects are now widely used to interpret both tree ensembles and…

机器学习 · 统计学 2022-02-03 Clément Bénard , Gérard Biau , Sébastien da Veiga , Erwan Scornet