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Graph anomaly detection is a popular and vital task in various real-world scenarios, which has been studied for several decades. Recently, many studies extending deep learning-based methods have shown preferable performance on graph anomaly…

机器学习 · 计算机科学 2025-05-13 Jing Ren , Mingliang Hou , Zhixuan Liu , Xiaomei Bai

Neural networks have emerged as a powerful paradigm for tasks in high energy physics, yet their opaque training process renders them as a black box. In contrast, the traditional cut flow method offers simplicity and interpretability but…

机器学习 · 计算机科学 2025-12-18 Jing Li , Hao Sun

Controlled feature selection aims to discover the features a response depends on while limiting the false discovery rate (FDR) to a predefined level. Recently, multiple deep-learning-based methods have been proposed to perform controlled…

机器学习 · 统计学 2022-10-24 Derek Hansen , Brian Manzo , Jeffrey Regier

Diffusion models can learn rich representations during data generation, showing potential for Self-Supervised Learning (SSL), but they face a trade-off between generative quality and discriminative performance. Their iterative sampling also…

机器学习 · 计算机科学 2025-12-24 Kosuke Ukita , Tsuyoshi Okita

Anomaly detection, the technique of identifying abnormal samples using only normal samples, has attracted widespread interest in industry. Existing one-model-per-category methods often struggle with limited generalization capabilities due…

计算机视觉与模式识别 · 计算机科学 2024-07-03 Jiawei Zhan , Jinxiang Lai , Bin-Bin Gao , Jun Liu , Xiaochen Chen , Chengjie Wang

In the evolving landscape of Federated Learning (FL), the challenge of ensuring data integrity against poisoning attacks is paramount, particularly for applications demanding stringent privacy preservation. Traditional anomaly detection…

密码学与安全 · 计算机科学 2024-03-18 Zahir Alsulaimawi

The random motion of molecules in living cells has consistently been reported to deviate from standard Brownian motion, a behavior coined as ``anomalous diffusion''. Fluorescence Correlation Spectroscopy (FCS) is a powerful method to…

From Physics and Biology to Seismology and Economics, the behaviour of countless systems is determined by impactful yet unlikely transitions between metastable states known as \emph{rare events}, the study of which is essential for…

计算物理 · 物理学 2025-07-22 Solomon Asghar , Qing-Xiang Pei , Giorgio Volpe , Ran Ni

Continuous normalizing flows (CNFs) are a generative method for learning probability distributions, which is based on ordinary differential equations. This method has shown remarkable empirical success across various applications, including…

机器学习 · 统计学 2024-04-02 Yuan Gao , Jian Huang , Yuling Jiao , Shurong Zheng

Robots can acquire complex manipulation skills by learning policies from expert demonstrations, which is often known as vision-based imitation learning. Generating policies based on diffusion and flow matching models has been shown to be…

机器人学 · 计算机科学 2024-12-17 Qinglun Zhang , Zhen Liu , Haoqiang Fan , Guanghui Liu , Bing Zeng , Shuaicheng Liu

Normalizing flows (NFs) are end-to-end likelihood-based generative models for continuous data, and have recently regained attention with encouraging progress on image generation. Yet in the video generation domain, where spatiotemporal…

计算机视觉与模式识别 · 计算机科学 2025-11-27 Jiatao Gu , Ying Shen , Tianrong Chen , Laurent Dinh , Yuyang Wang , Miguel Angel Bautista , David Berthelot , Josh Susskind , Shuangfei Zhai

Contrastive learning is among the most popular and powerful approaches for self-supervised representation learning, where the goal is to map semantically similar samples close together while separating dissimilar ones in the latent space.…

机器学习 · 统计学 2025-12-03 Ali Alvandi , Mina Rezaei

Federated Learning (FL) enables collaborative model training across multiple clients while preserving data privacy. Traditional FL methods often use a global model to fit all clients, assuming that clients' data are independent and…

机器学习 · 计算机科学 2025-12-01 Dario Fenoglio , Mohan Li , Pietro Barbiero , Nicholas D. Lane , Marc Langheinrich , Martin Gjoreski

Normalizing flows are a powerful class of generative models demonstrating strong performance in several speech and vision problems. In contrast to other generative models, normalizing flows are latent variable models with tractable…

机器学习 · 计算机科学 2021-08-06 Dmitry Baranchuk , Vladimir Aliev , Artem Babenko

Detecting trajectory anomalies is a vital task in modern Intelligent Transportation Systems (ITS), enabling the identification of unsafe, inefficient, or irregular travel behaviours. While deep learning has emerged as the dominant approach,…

机器学习 · 计算机科学 2025-11-24 Rui Xue , Dan He , Fengmei Jin , Chen Zhang , Xiaofang Zhou

Asynchronous inference has emerged as a prevalent paradigm in robotic manipulation, achieving significant progress in ensuring trajectory smoothness and efficiency. However, a systemic challenge remains unresolved, as inherent latency…

机器人学 · 计算机科学 2026-04-14 Haoyu Wei , Xiuwei Xu , Ziyang Cheng , Hang Yin , Angyuan Ma , Bingyao Yu , Jie Zhou , Jiwen Lu

In the field of federated learning, addressing non-independent and identically distributed (non-i.i.d.) data remains a quintessential challenge for improving global model performance. This work introduces the Feature Norm Regularized…

机器学习 · 计算机科学 2023-12-13 Ke Hu , WeiDong Qiu , Peng Tang

As a safety critical task, autonomous driving requires accurate predictions of road users' future trajectories for safe motion planning, particularly under challenging conditions. Yet, many recent deep learning methods suffer from a…

计算机视觉与模式识别 · 计算机科学 2024-05-01 Junrui Zhang , Mozhgan Pourkeshavarz , Amir Rasouli

Generative flow networks (GFlowNets) are a method for learning a stochastic policy for generating compositional objects, such as graphs or strings, from a given unnormalized density by sequences of actions, where many possible action…

机器学习 · 计算机科学 2023-10-05 Nikolay Malkin , Moksh Jain , Emmanuel Bengio , Chen Sun , Yoshua Bengio

Generative flow networks (GFlowNets) are a family of algorithms for training a sequential sampler of discrete objects under an unnormalized target density and have been successfully used for various probabilistic modeling tasks. Existing…