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相关论文: Deep Kernel Aalen-Johansen Estimator: An Interpret…

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Deep neural networks have achieved remarkable success in various challenging tasks. However, the black-box nature of such networks is not acceptable to critical applications, such as healthcare. In particular, the existence of adversarial…

机器学习 · 计算机科学 2019-09-12 Shaeke Salman , Seyedeh Neelufar Payrovnaziri , Xiuwen Liu , Pablo Rengifo-Moreno , Zhe He

There have been several attempts to use deep learning based on brain fMRI signals to classify cognitive impairment diseases. However, deep learning is a hidden black box model that makes it difficult to interpret the process of…

机器学习 · 计算机科学 2024-11-20 Jeong-Jae Kim , Yeseul Jeon , SuMin Yu , Junggu Choi , Sanghoon Han

White-box Adversarial Example (AE) attacks towards Deep Neural Networks (DNNs) have a more powerful destructive capacity than black-box AE attacks in the fields of AE strategies. However, almost all the white-box approaches lack…

机器学习 · 计算机科学 2021-10-15 Yixiang Wang , Jiqiang Liu , Xiaolin Chang , Jianhua Wang , Ricardo J. Rodríguez

Deep neural networks (DNNs) have significantly boosted the performance of many challenging tasks. Despite the great development, DNNs have also exposed their vulnerability. Recent studies have shown that adversaries can manipulate the…

密码学与安全 · 计算机科学 2024-08-06 Liang-bo Ning , Zeyu Dai , Wenqi Fan , Jingran Su , Chao Pan , Luning Wang , Qing Li

It is proposed to investigate the onset of a disease D, based on several risk factors., with a specific interest in Alzheimer occurrence. For that purpose, two classes of techniques are available, whose properties are quite different in…

应用统计 · 统计学 2023-01-18 C. Huber

Image clustering has recently attracted significant attention due to the increased availability of unlabelled datasets. The efficiency of traditional clustering algorithms heavily depends on the distance functions used and the…

计算机视觉与模式识别 · 计算机科学 2024-09-30 Foivos Ntelemis , Yaochu Jin , Spencer A. Thomas

We propose Adaptive Deep Kernel Fitting with Implicit Function Theorem (ADKF-IFT), a novel framework for learning deep kernel Gaussian processes (GPs) by interpolating between meta-learning and conventional deep kernel learning. Our…

机器学习 · 计算机科学 2023-02-20 Wenlin Chen , Austin Tripp , José Miguel Hernández-Lobato

This study proposes a deep learning model based on the combination of convolutional neural network (CNN) and bidirectional long short-term memory network (BiLSTM) for discriminant analysis of financial systemic risk. The model first uses…

机器学习 · 计算机科学 2025-02-12 Yu Cheng , Zhen Xu , Yuan Chen , Yuhan Wang , Zhenghao Lin , Jinsong Liu

Subject to intricate environmental variables, the precise classification of jamming signals holds paramount significance in the effective implementation of anti-jamming strategies within communication systems. In light of this imperative,…

信号处理 · 电气工程与系统科学 2024-06-27 Xuhui Ding , Yue Zhang , Gaoyang Li , Xiaozheng Gao , Neng Ye , Dusit Niyato , Kai Yang

Client-level fairness metrics for federated learning are used to ensure that all clients in a federation either: a) have similar final performance on their local data distributions (i.e., client parity), or b) obtain final performance on…

机器学习 · 计算机科学 2025-04-23 Alycia Carey , Xintao Wu

Statistical inference in competing risks models is often based on the famous Aalen-Johansen estimator. Since the corresponding limit process lacks independent increments, it is typically applied together with Lin's (1997) resampling…

统计理论 · 数学 2014-01-31 Dennis Dobler , Markus Pauly

Multi-scale representations deeply learned via convolutional neural networks have shown tremendous importance for various pixel-level prediction problems. In this paper we present a novel approach that advances the state of the art on…

计算机视觉与模式识别 · 计算机科学 2022-03-15 Dan Xu , Xavier Alameda-Pineda , Wanli Ouyang , Elisa Ricci , Xiaogang Wang , Nicu Sebe

Clustered federated learning (CFL) is proposed to mitigate the performance deterioration stemming from data heterogeneity in federated learning (FL) by grouping similar clients for cluster-wise model training. However, current CFL methods…

机器学习 · 计算机科学 2024-04-01 Yuxin Zhang , Haoyu Chen , Zheng Lin , Zhe Chen , Jin Zhao

In financial engineering, portfolio optimization has been of consistent interest. Portfolio optimization is a process of modulating asset distributions to maximize expected returns and minimize risks. To obtain the expected returns, deep…

投资组合管理 · 定量金融 2023-04-25 Jiwook Kim , Minhyeok Lee

The presence of a bias in each image data collection has recently attracted a lot of attention in the computer vision community showing the limits in generalization of any learning method trained on a specific dataset. At the same time,…

计算机视觉与模式识别 · 计算机科学 2015-05-07 Tatiana Tommasi , Novi Patricia , Barbara Caputo , Tinne Tuytelaars

Unordered feature sets are a nonstandard data structure that traditional neural networks are incapable of addressing in a principled manner. Providing a concatenation of features in an arbitrary order may lead to the learning of spurious…

机器学习 · 计算机科学 2017-09-12 Andrew Gardner , Jinko Kanno , Christian A. Duncan , Rastko R. Selmic

Quantifying uncertainty in a model's predictions is important as it enables the safety of an AI system to be increased by acting on the model's output in an informed manner. This is crucial for applications where the cost of an error is…

计算机视觉与模式识别 · 计算机科学 2021-05-31 Aria Khoshsirat

This paper introduces a consistent estimator and rate of convergence for the precision matrix of asset returns in large portfolios using a non-linear factor model within the deep learning framework. Our estimator remains valid even in low…

机器学习 · 统计学 2023-08-30 Mehmet Caner , Maurizio Daniele

We study the problem of actively learning a classifier with a low calibration error. One of the most popular Acquisition Functions (AFs) in pool-based Active Learning (AL) is querying by the model's uncertainty. However, we recognize that…

机器学习 · 计算机科学 2025-10-06 Ha Manh Bui , Iliana Maifeld-Carucci , Anqi Liu

Clustering performs an essential role in many real world applications, such as market research, pattern recognition, data analysis, and image processing. However, due to the high dimensionality of the input feature values, the data being…

机器学习 · 计算机科学 2021-02-16 Si Lu , Ruisi Li