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相关论文: To Impute or Not: Recommendations for Multibiometr…

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Multiple imputation is a highly recommended technique to deal with missing data, but the application to longitudinal datasets can be done in multiple ways. When a new wave of longitudinal data arrives, we can treat the combined data of…

统计方法学 · 统计学 2026-05-18 X. M. Kavelaars , S. van Buuren , J. R. van Ginkel

Missing data is a systemic problem in practical scenarios that causes noise and bias when estimating treatment effects. This makes treatment effect estimation from data with missingness a particularly tricky endeavour. A key reason for this…

机器学习 · 统计学 2023-02-27 Jeroen Berrevoets , Fergus Imrie , Trent Kyono , James Jordon , Mihaela van der Schaar

We present multimodal neural posterior estimation (MultiNPE), a method to integrate heterogeneous data from different sources in simulation-based inference with neural networks. Inspired by advances in deep fusion, it allows researchers to…

机器学习 · 计算机科学 2024-11-05 Marvin Schmitt , Leona Odole , Stefan T. Radev , Paul-Christian Bürkner

Decision making from data involves identifying a set of attributes that contribute to effective decision making through computational intelligence. The presence of missing values greatly influences the selection of right set of attributes…

机器学习 · 计算机科学 2013-07-23 M. Naresh Kumar

Nonparametric and machine learning methods are flexible methods for obtaining accurate predictions. Nowadays, data sets with a large number of predictors and complex structures are fairly common. In the presence of item nonresponse,…

统计方法学 · 统计学 2022-08-23 Mehdi Dagdoug , Camelia Goga , David Haziza

Imputing data is a critical issue for machine learning practitioners, including in the life sciences domain, where missing clinical data is a typical situation and the reliability of the imputation is of great importance. Currently, there…

量子物理 · 物理学 2023-12-13 Skander Kazdaghli , Iordanis Kerenidis , Jens Kieckbusch , Philip Teare

Missingness is a common issue for neuroimaging data, and neglecting it in downstream statistical analysis can introduce bias and lead to misguided inferential conclusions. It is therefore crucial to conduct appropriate statistical methods…

统计方法学 · 统计学 2025-03-25 Tong Lu , Chixiang Chen , Hsin-Hsiung Huang , Peter Kochunov , Elliot Hong , Shuo Chen

Biometrics is the science and technology of measuring and analyzing biological data of human body, extracting a feature set from the acquired data, and comparing this set against to the template set in the database. Experimental studies…

人工智能 · 计算机科学 2010-11-30 K. Sasidhar , Vijaya L Kakulapati , Kolikipogu Ramakrishna , K. KailasaRao

Presence of missing values in a dataset can adversely affect the performance of a classifier. Single and Multiple Imputation are normally performed to fill in the missing values. In this paper, we present several variants of combining…

机器学习 · 计算机科学 2019-10-16 Shehroz S. Khan , Amir Ahmad , Alex Mihailidis

Over the past decades, numerous Image Quality Assessment (IQA) models have emerged, aiming to predict the perceptual quality of images. However, individual models are often biased toward certain types of image content or distortions,…

计算机视觉与模式识别 · 计算机科学 2026-05-29 Zhongling Wang , Raymond Zhou , Shahrukh Athar , Wenbo Yang , Zhou Wang

Missing values are prevalent across various fields, posing challenges for training and deploying predictive models. In this context, imputation is a common practice, driven by the hope that accurate imputations will enhance predictions.…

人工智能 · 计算机科学 2025-02-21 Marine Le Morvan , Gaël Varoquaux

Iris recognition technology, used to identify individuals by photographing the iris of their eye, has become popular in security applications because of its ease of use, accuracy, and safety in controlling access to high-security areas.…

人工智能 · 计算机科学 2010-07-05 Ujwalla Gawande , Mukesh Zaveri , Avichal Kapur

Imputation of missing attribute values in medical datasets for extracting hidden knowledge from medical datasets is an interesting research topic of interest which is very challenging. One cannot eliminate missing values in medical records.…

数据库 · 计算机科学 2016-03-11 Yelipe UshaRani , P. Sammulal

Tree-based learning methods such as Random Forest and XGBoost are still the gold-standard prediction methods for tabular data. Feature importance measures are usually considered for feature selection as well as to assess the effect of…

应用统计 · 统计学 2024-12-19 Jakob Schwerter , Andrés Romero , Florian Dumpert , Markus Pauly

Imputation of missing data in large regions of satellite imagery is necessary when the acquired image has been damaged by shadows due to clouds, or information gaps produced by sensor failure. The general approach for imputation of missing…

应用统计 · 统计学 2010-06-23 Valeria Rulloni , Oscar Bustos , Ana Georgina Flesia

Multiple imputation provides an effective way to handle missing data. When several possible models are under consideration for the data, the multiple imputation is typically performed under a single-best model selected from the candidate…

统计方法学 · 统计学 2018-11-30 Gyuhyeong Goh , Jae Kwang Kim

Multimodal medical imaging plays a pivotal role in clinical diagnosis and research, as it combines information from various imaging modalities to provide a more comprehensive understanding of the underlying pathology. Recently, deep…

Incomplete data are common in practical applications. Most predictive machine learning models do not handle missing values so they require some preprocessing. Although many algorithms are used for data imputation, we do not understand the…

机器学习 · 统计学 2020-07-07 Katarzyna Woźnica , Przemysław Biecek

Missing values or data is one popular characteristic of real-world datasets, especially healthcare data. This could be frustrating when using machine learning algorithms on such datasets, simply because most machine learning models perform…

机器学习 · 计算机科学 2024-03-25 Luke Oluwaseye Joel , Wesley Doorsamy , Babu Sena Paul

Prior work has shown that multibiometric systems are vulnerable to presentation attacks, assuming that their matching score distribution is identical to that of genuine users, without fabricating any fake trait. We have recently shown that…

计算机视觉与模式识别 · 计算机科学 2016-09-07 Battista Biggio , Giorgio Fumera , Gian Luca Marcialis , Fabio Roli