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We propose a fully data-driven approach to designing mutual information (MI) estimators. Since any MI estimator is a function of the observed sample from two random variables, we parameterize this function with a neural network (MIST) and…

机器学习 · 计算机科学 2026-02-24 German Gritsai , Megan Richards , Maxime Méloux , Kyunghyun Cho , Maxime Peyrard

Facial Recognition is a technique, based on machine learning technology that can recognize a human being analyzing his facial profile, and is applied in solving various types of realworld problems nowadays. In this paper, a common…

计算机视觉与模式识别 · 计算机科学 2024-05-28 Abid Faisal Ayon , S M Maksudul Alam

Evaluation of large-scale fingerprint search algorithms has been limited due to lack of publicly available datasets. To address this problem, we utilize a Generative Adversarial Network (GAN) to synthesize a fingerprint dataset consisting…

计算机视觉与模式识别 · 计算机科学 2020-06-16 Vishesh Mistry , Joshua J. Engelsma , Anil K. Jain

Federated Trajectory Matching (FTM) is gaining increasing importance in big trajectory data analytics, supporting diverse applications such as public health, law enforcement, and emergency response. FTM retrieves trajectories that match…

数据库 · 计算机科学 2023-12-20 Yuxiang Wang , Yuxiang Zeng , Yi Xu , Zimu Zhou , Yongxin Tong

Although the popular MNIST dataset [LeCun et al., 1994] is derived from the NIST database [Grother and Hanaoka, 1995], the precise processing steps for this derivation have been lost to time. We propose a reconstruction that is accurate…

机器学习 · 计算机科学 2019-11-06 Chhavi Yadav , Léon Bottou

Gist is a tool that (a) solves the qualitative analysis problem of turn-based probabilistic games with {\omega}-regular objectives; and (b) synthesizes reasonable environment assumptions for synthesis of unrealizable specifications. Our…

计算机科学中的逻辑 · 计算机科学 2010-04-15 Krishnendu Chatterjee , Thomas A. Henzinger , Barbara Jobstmann , Arjun Radhakrishna

Missing data is a common concern in health datasets, and its impact on good decision-making processes is well documented. Our study's contribution is a methodology for tackling missing data problems using a combination of synthetic dataset…

机器学习 · 计算机科学 2022-11-08 Gift Khangamwa , Terence L. van Zyl , Clint J. van Alten

Fraudulent activities are rapidly evolving, employing increasingly diverse and sophisticated methods that pose serious threats to individuals, organizations, and society. This paper proposes the FIST Framework (Fraud Incident Structured…

密码学与安全 · 计算机科学 2025-06-09 Yu-Chen Dai , Lu-An Chen , Sy-Jye Her , Yu-Xian Jiang

Person re-identification (re-ID) plays an important role in applications such as public security and video surveillance. Recently, learning from synthetic data, which benefits from the popularity of synthetic data engine, has attracted…

计算机视觉与模式识别 · 计算机科学 2021-12-08 Suncheng Xiang , Guanjie You , Mengyuan Guan , Hao Chen , Binjie Yan , Ting Liu , Yuzhuo Fu

We consider the scenario of deep clustering, in which the available prior knowledge is limited. In this scenario, few existing state-of-the-art deep clustering methods can perform well for both non-complex topology and complex topology…

机器学习 · 统计学 2023-03-07 Yuhui Zhang , Yuichiro Wada , Hiroki Waida , Kaito Goto , Yusaku Hino , Takafumi Kanamori

Missing data is a common problem which has consistently plagued statisticians and applied analytical researchers. While replacement methods like mean-based or hot deck imputation have been well researched, emerging imputation techniques…

统计方法学 · 统计学 2022-12-27 Seema Sangari , Herman E. Ray

The first 72 hours of a missing-person investigation are critical for successful recovery. Guardian is an end-to-end system designed to support missing-child investigation and early search planning. This paper presents the Guardian LLM…

人工智能 · 计算机科学 2026-03-11 Joshua Castillo , Ravi Mukkamala

We propose a general approach for differentially private synthetic data generation, that consists of three steps: (1) select a collection of low-dimensional marginals, (2) measure those marginals with a noise addition mechanism, and (3)…

密码学与安全 · 计算机科学 2021-08-12 Ryan McKenna , Gerome Miklau , Daniel Sheldon

In this paper, we focus on the crowd localization task, a crucial topic of crowd analysis. Most regression-based methods utilize convolution neural networks (CNN) to regress a density map, which can not accurately locate the instance in the…

计算机视觉与模式识别 · 计算机科学 2022-09-07 Dingkang Liang , Wei Xu , Yingying Zhu , Yu Zhou

We introduce VISTA, a clustering approach for multivariate and irregularly sampled time series based on a parametric state space mixture model. VISTA is specifically designed for the unsupervised identification of groups in datasets…

应用统计 · 统计学 2026-01-14 Benjamin Brindle , Thomas Derrick Hull , Matteo Malgaroli , Nicolas Charon

Predicting the location where a lost person could be found is crucial for search and rescue operations with limited resources. To improve the precision and efficiency of these predictions, simulated agents can be created to emulate the…

人工智能 · 计算机科学 2025-04-07 Jan-Hendrik Ewers , David Anderson , Douglas Thomson

Existing Text Image Forgery Localization (T-IFL) methods often suffer from poor generalization due to the limited scale of real-world datasets and the distribution gap caused by synthetic data that fails to capture the complexity of…

计算机视觉与模式识别 · 计算机科学 2025-11-18 Zeqin Yu , Haotao Xie , Jian Zhang , Jiangqun Ni , Wenkan Su , Jiwu Huang

Astronomical data is full of holes. While there are many reasons for this missing data, the data can be randomly missing, caused by things like data corruptions or unfavourable observing conditions. We test some simple data imputation…

天体物理仪器与方法 · 物理学 2021-11-30 Kieran J. Luken , Rabina Padhy , X. Rosalind Wang

Visual Place Recognition aims at recognizing previously visited places by relying on visual clues, and it is used in robotics applications for SLAM and localization. Since typically a mobile robot has access to a continuous stream of…

计算机视觉与模式识别 · 计算机科学 2024-04-01 Gabriele Berton , Gabriele Trivigno , Barbara Caputo , Carlo Masone

Weakly supervised video anomaly detection (WS-VAD) is to distinguish anomalies from normal events based on discriminative representations. Most existing works are limited in insufficient video representations. In this work, we develop a…

计算机视觉与模式识别 · 计算机科学 2021-04-06 Jia-Chang Feng , Fa-Ting Hong , Wei-Shi Zheng
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