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How to extract useful insights from data is always a challenge, especially if the data is multidimensional. Often, the data can be organized according to certain hierarchical structure that are stemmed either from data collection process or…

应用统计 · 统计学 2016-04-21 Kun Yang , Wing Hung Wong

Machine learning approaches often require training and evaluation datasets with a clear separation between positive and negative examples. This risks simplifying and even obscuring the inherent subjectivity present in many tasks. Preserving…

Learning causal structures from observational data remains a fundamental yet computationally intensive task, particularly in high-dimensional settings where existing methods face challenges such as the super-exponential growth of the search…

机器学习 · 统计学 2026-02-12 Haixiang Sun , Pengchao Tian , Zihan Zhou , Jielei Zhang , Peiyi Li , Andrew L. Liu

Machine learning algorithms are fundamental components of novel data-informed Artificial Intelligence architecture. In this domain, the imperative role of representative datasets is a cornerstone in shaping the trajectory of artificial…

Data-driven design of mechanical metamaterials is an increasingly popular method to combat costly physical simulations and immense, often intractable, geometrical design spaces. Using a precomputed dataset of unit cells, a multiscale…

计算工程、金融与科学 · 计算机科学 2021-12-08 Yu-Chin Chan , Faez Ahmed , Liwei Wang , Wei Chen

In the Bayesian approach to structure learning of graphical models, the equivalent sample size (ESS) in the Dirichlet prior over the model parameters was recently shown to have an important effect on the maximum-a-posteriori estimate of the…

机器学习 · 计算机科学 2012-06-18 Harald Steck

Structural information in images is crucial for aesthetic assessment, and it is widely recognized in the artistic field that imitating the structure of other works significantly infringes on creators' rights. The advancement of diffusion…

计算机视觉与模式识别 · 计算机科学 2025-02-12 Chuanwei Huang , Zexi Jia , Hongyan Fei , Yeshuang Zhu , Zhiqiang Yuan , Jinchao Zhang , Jie Zhou

Data analytics stands to benefit from the increasing availability of datasets that are held without their conceptual relationships being explicitly known. When collected, these datasets form a data lake from which, by processes like data…

数据库 · 计算机科学 2020-11-23 Alex Bogatu , Alvaro A. A. Fernandes , Norman W. Paton , Nikolaos Konstantinou

Coreset, which is a summary of the original dataset in the form of a small weighted set in the same sample space, provides a promising approach to enable machine learning over distributed data. Although viewed as a proxy of the original…

机器学习 · 计算机科学 2020-06-24 Hanlin Lu , Ming-Ju Li , Ting He , Shiqiang Wang , Vijaykrishnan Narayanan , Kevin S Chan

Whether class labels in a given data set correspond to meaningful clusters is crucial for the evaluation of clustering algorithms using real-world data sets. This property can be quantified by separability measures. The central aspects of…

机器学习 · 统计学 2025-04-11 Jana Gauss , Fabian Scheipl , Moritz Herrmann

A fundamental part of data visualization is transforming data to map abstract information onto visual attributes. While this abstraction is a powerful basis for data visualization, the connection between the representation and the original…

人机交互 · 计算机科学 2020-11-12 Benjamin Lee , Dave Brown , Bongshin Lee , Christophe Hurter , Steven Drucker , Tim Dwyer

When selecting data for training large-scale models, standard practice is to filter for examples that match human notions of data quality. Such filtering yields qualitatively clean datapoints that intuitively should improve model behavior.…

机器学习 · 计算机科学 2024-01-24 Logan Engstrom , Axel Feldmann , Aleksander Madry

Selecting the appropriate visual presentation of the data such that it preserves the semantics of the underlying data and at the same time provides an intuitive summary of the data is an important, often the final step of data analytics.…

人工智能 · 计算机科学 2017-11-15 Rema Ananthanarayanan , Pranay Kr. Lohia , Srikanta Bedathur

We introduce a technique that can automatically tune the parameters of a rule-based computer vision system comprised of thresholds, combinational logic, and time constants. This lets us retain the flexibility and perspicacity of a…

计算机视觉与模式识别 · 计算机科学 2018-08-02 Jonathan Connell , Benjamin Herta

This paper presents a dataset, called Reeds, for research on robot perception algorithms. The dataset aims to provide demanding benchmark opportunities for algorithms, rather than providing an environment for testing application-specific…

计算机视觉与模式识别 · 计算机科学 2021-09-20 Ola Benderius , Christian Berger , Krister Blanch

Modern pattern recognition tasks use complex algorithms that take advantage of large datasets to make more accurate predictions than traditional algorithms such as decision trees or k-nearest-neighbor better suited to describe simple…

机器学习 · 统计学 2021-10-14 AGaurav Arwade , Sigurdur Olafsson

This paper investigates the impact of multiscale data on machine learning algorithms, particularly in the context of deep learning. A dataset is multiscale if its distribution shows large variations in scale across different directions.…

机器学习 · 计算机科学 2024-02-07 Juncai He , Liangchen Liu , Yen-Hsi Richard Tsai

Tracking microsctructural changes in the developing brain relies on accurate inter-subject image registration. However, most methods rely on either structural or diffusion data to learn the spatial correspondences between two or more…

图像与视频处理 · 电气工程与系统科学 2020-05-15 Irina Grigorescu , Alena Uus , Daan Christiaens , Lucilio Cordero-Grande , Jana Hutter , A. David Edwards , Joseph V. Hajnal , Marc Modat , Maria Deprez

Many modern machine learning approaches require vast amounts of training data to learn new concepts; conversely, human learning often requires few examples--sometimes only one--from which the learner can abstract structural concepts. We…

人工智能 · 计算机科学 2018-11-28 Nikhil Krishnaswamy , Scott Friedman , James Pustejovsky

In this paper we explore visually the structure of the collection of a digital research data archive in terms of metadata for deposited datasets. We look into the distribution of datasets over different scientific fields; the role of main…

数字图书馆 · 计算机科学 2012-04-17 Andrea Scharnhorst , Olav ten Bosch , Peter Doorn