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Genome-Wide Association Studies (GWAS) face unique challenges in the era of big genomics data, particularly when dealing with ultra-high-dimensional datasets where the number of genetic features significantly exceeds the available samples.…

基因组学 · 定量生物学 2023-12-27 Kexuan Li

Feature selection and feature transformation, the two main ways to reduce dimensionality, are often presented separately. In this paper, a feature selection method is proposed by combining the popular transformation based dimensionality…

机器学习 · 计算机科学 2015-04-22 Hong Tao , Chenping Hou , Feiping Nie , Yuanyuan Jiao , Dongyun Yi

Latent representations are critical for the performance and robustness of machine learning models, as they encode the essential features of data in a compact and informative manner. However, in vision tasks, these representations are often…

机器学习 · 计算机科学 2025-10-03 Bruno Corcuera , Carlos Eiras-Franco , Brais Cancela

This paper presents a novel approach that combines the Deep Ritz Method (DRM) with Fourier feature mapping to solve minimization problems comprised of multi-well, non-convex energy potentials. These problems present computational challenges…

机器学习 · 计算机科学 2025-02-12 Ensela Mema , Ting Wang , Jaroslaw Knap

Meta-learning offers a promising avenue for few-shot learning (FSL), enabling models to glean a generalizable feature embedding through episodic training on synthetic FSL tasks in a source domain. Yet, in practical scenarios where the…

计算机视觉与模式识别 · 计算机科学 2024-11-05 Fei Zhou , Peng Wang , Lei Zhang , Zhenghua Chen , Wei Wei , Chen Ding , Guosheng Lin , Yanning Zhang

Classification accuracy provided by a machine learning model depends a lot on the feature set used in the learning process. Feature Selection (FS) is an important and challenging pre-processing technique which helps to identify only the…

机器学习 · 计算机科学 2020-09-01 Ritam Guha , Manosij Ghosh , Shyok Mutsuddi , Ram Sarkar , Seyedali Mirjalili

Few-shot learning (FSL) aims to enable models to recognize novel objects or classes with limited labelled data. Feature generators, which synthesize new data points to augment limited datasets, have emerged as a promising solution to this…

计算机视觉与模式识别 · 计算机科学 2024-10-14 Heethanjan Kanagalingam , Thenukan Pathmanathan , Navaneethan Ketheeswaran , Mokeeshan Vathanakumar , Mohamed Afham , Ranga Rodrigo

Recent advances in large language models (LLMs) have provided new opportunities for decision-making, particularly in the task of automated feature selection. In this paper, we first comprehensively evaluate LLM-based feature selection…

机器学习 · 计算机科学 2025-12-12 Jianhao Li , Xianchao Xiu

Low-light vision remains a fundamental challenge in computer vision due to severe illumination degradation, which significantly affects the performance of downstream tasks such as detection and segmentation. While recent state-of-the-art…

计算机视觉与模式识别 · 计算机科学 2025-10-29 Fangtong Sun , Congyu Li , Ke Yang , Yuchen Pan , Hanwen Yu , Xichuan Zhang , Yiying Li

Choosing which properties of the data to use as input to multivariate decision algorithms -- a.k.a. feature selection -- is an important step in solving any problem with machine learning. While there is a clear trend towards training…

高能物理 - 唯象学 · 物理学 2022-12-02 Ranit Das , Gregor Kasieczka , David Shih

Feature selection has drawn much attention over the last decades in machine learning because it can reduce data dimensionality while maintaining the original physical meaning of features, which enables better interpretability than feature…

机器学习 · 计算机科学 2022-09-27 Yiwen Liao , Jochen Rivoir , Raphaël Latty , Bin Yang

The purpose of this paper is to study the fractal phenomena in large data sets and the associated questions of dimension reduction. We examine situations where the classical Principal Component Analysis is not effective in identifying the…

In recent years, deep learning has been at the center of analytics due to its impressive empirical success in analyzing complex data objects. Despite this success, most of the existing tools behave like black-box machines, thus the…

机器学习 · 统计学 2022-11-02 Arkaprabha Ganguli , David Todem , Tapabrata Maiti

Few-Shot Learning is the challenge of training a model with only a small amount of data. Many solutions to this problem use meta-learning algorithms, i.e. algorithms that learn to learn. By sampling few-shot tasks from a larger dataset, we…

计算机视觉与模式识别 · 计算机科学 2019-10-01 Etienne Bennequin

Anomaly detection (AD) in images is a fundamental computer vision problem by deep learning neural network to identify images deviating significantly from normality. The deep features extracted from pretrained models have been proved to be…

计算机视觉与模式识别 · 计算机科学 2023-12-05 Zeyu Jiang , João P. C. Bertoldo , Etienne Decencière

The detection of small objects is a challenging task in computer vision. Conventional object detection methods have difficulty in finding the balance between high detection and low false alarm rates. In the literature, some methods have…

计算机视觉与模式识别 · 计算机科学 2024-02-06 Alina Ciocarlan , Sylvie Le Hegarat-Mascle , Sidonie Lefebvre , Arnaud Woiselle

The application of wavelet transforms to Synthetic Aperture Radar (SAR) imagery has improved despeckling performance. To deduce the problem of filtering the multiplicative noise to the case of an additive noise, the wavelet decomposition is…

计算机视觉与模式识别 · 计算机科学 2016-08-03 Mario Mastriani

Classification algorithms have recently found applications in computational physics for the selection of numerical methods or models adapted to the environment and the state of the physical system. For such classification tasks, labeled…

机器学习 · 统计学 2023-02-02 Thomas Daniel , Fabien Casenave , Nissrine Akkari , David Ryckelynck

In recent times, the use of machine learning in materials design and discovery has aided to accelerate the discovery of innovative materials with extraordinary properties, which otherwise would have been driven by a laborious and…

材料科学 · 物理学 2024-08-01 Md Mohaiminul Islam

We present a method for performing hierarchical object detection in images guided by a deep reinforcement learning agent. The key idea is to focus on those parts of the image that contain richer information and zoom on them. We train an…

计算机视觉与模式识别 · 计算机科学 2016-11-28 Miriam Bellver , Xavier Giro-i-Nieto , Ferran Marques , Jordi Torres