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Generative methods have recently seen significant improvements by generating in a lower-dimensional latent representation of the data. However, many of the generative methods applied in the latent space remain complex and difficult to…

机器学习 · 计算机科学 2025-01-22 Alona Levy-Jurgenson , Zohar Yakhini

Temporal Point Processes (TPPs) hold a pivotal role in modeling event sequences across diverse domains, including social networking and e-commerce, and have significantly contributed to the advancement of recommendation systems and…

机器学习 · 计算机科学 2024-02-02 Maolin Wang , Yu Pan , Zenglin Xu , Ruocheng Guo , Xiangyu Zhao , Wanyu Wang , Yiqi Wang , Zitao Liu , Langming Liu

Deep Gaussian processes (DGPs) provide a Bayesian non-parametric alternative to standard parametric deep learning models. A DGP is formed by stacking multiple GPs resulting in a well-regularized composition of functions. The Bayesian…

机器学习 · 统计学 2018-06-06 Vinayak Kumar , Vaibhav Singh , P. K. Srijith , Andreas Damianou

Recent advances in generative AI offer promising solutions for synthetic data generation but often rely on large datasets for effective training. To address this limitation, we propose a novel generative model that learns from limited data…

机器学习 · 统计学 2025-05-27 Michail Spitieris , Massimiliano Ruocco , Abdulmajid Murad , Alessandro Nocente

We propose a new generative modeling technique for learning multidimensional cumulative distribution functions (CDFs) in the form of copulas. Specifically, we consider certain classes of copulas known as Archimedean and hierarchical…

机器学习 · 计算机科学 2022-05-30 Yuting Ng , Ali Hasan , Khalil Elkhalil , Vahid Tarokh

Federated learning (FL) can fully leverage large-scale terminal data while ensuring privacy and security, and is considered as a distributed alternative for the centralized machine learning. However, the issue of data heterogeneity poses…

机器学习 · 计算机科学 2025-03-27 Xianke Qiang , Zheng Chang , Ying-Chang Liang

In this paper, a Feature-preserving Particle Generation (FPPG) method for arbitrary complex geometry is proposed. Instead of basing on implicit geometries, such as level-set, FPPG employs an explicit geometric representation for the…

计算物理 · 物理学 2025-01-07 Xingyue Yang , Zhenxiang Nie , Yuxin Dai , Zhe Ji

The kernel embedding algorithm is an important component for adapting kernel methods to large datasets. Since the algorithm consumes a major computation cost in the testing phase, we propose a novel teacher-learner framework of learning…

机器学习 · 统计学 2017-12-08 Jianqiao Wangni , Jingwei Zhuo , Jun Zhu

In recent years, the rapid development of generative artificial intelligence technology has significantly lowered the barrier to creating high-quality fake images, posing a serious challenge to information authenticity and credibility.…

计算机视觉与模式识别 · 计算机科学 2026-04-15 Haifeng Zhang , Qinghui He , Xiuli Bi , Bo Liu , Chi-Man Pun , Bin Xiao

The unprecedented accuracy of convolutional neural networks (CNNs) across a broad range of AI tasks has led to their widespread deployment in mobile and embedded settings. In a pursuit for high-performance and energy-efficient inference,…

机器学习 · 计算机科学 2023-07-26 Stylianos I. Venieris , Javier Fernandez-Marques , Nicholas D. Lane

Conventional generative models for materials discovery are predominantly trained and validated using data from Density Functional Theory (DFT) with approximate exchange-correlation functionals. This creates a fundamental bottleneck: these…

人工智能 · 计算机科学 2026-04-30 Mahule Roy

Artificial intelligence and machine learning frameworks have served as computationally efficient mapping between inputs and outputs for engineering problems. These mappings have enabled optimization and analysis routines that have warranted…

机器学习 · 统计学 2024-07-17 Yigitcan Comlek , Sandipp Krishnan Ravi , Piyush Pandita , Sayan Ghosh , Liping Wang , Wei Chen

We present Generative Anchored Fields (GAF), a generative model that learns independent endpoint predictors, $J$ (noise) and $K$ (data), from any point on a linear bridge. Unlike existing approaches that use a single trajectory or score…

机器学习 · 计算机科学 2026-02-17 Deressa Wodajo Deressa , Hannes Mareen , Peter Lambert , Glenn Van Wallendael

Generative AI (GenAI) has revolutionized data-driven modeling by enabling the synthesis of high-dimensional data across various applications, including image generation, language modeling, biomedical signal processing, and anomaly…

机器学习 · 计算机科学 2025-09-09 Yao Xie , Xiuyuan Cheng

Quantifying degrees of fusion and separability between data groups in representation space is a fundamental problem in representation learning, particularly under domain shift. A meaningful metric should capture fusion-altering factors like…

机器学习 · 计算机科学 2026-01-30 Xiaolong Zhang , Jianwei Zhang , Xubo Song

Federated Learning faces significant challenges in statistical and system heterogeneity, along with high energy consumption, necessitating efficient client selection strategies. Traditional approaches, including heuristic and learning-based…

机器学习 · 计算机科学 2025-10-01 Zhiyuan Ning , Chunlin Tian , Meng Xiao , Wei Fan , Pengyang Wang , Li Li , Pengfei Wang , Yuanchun Zhou

Realistic human geometry generation is an important yet challenging task, requiring both the preservation of fine clothing details and the accurate modeling of clothing-body interactions. To tackle this challenge, we build upon Geometry…

计算机视觉与模式识别 · 计算机科学 2026-05-01 Xiangjun Tang , Biao Zhang , Peter Wonka

Camouflage is a common visual phenomenon, which refers to hiding the foreground objects into the background images, making them briefly invisible to the human eye. Previous work has typically been implemented by an iterative optimization…

计算机视觉与模式识别 · 计算机科学 2022-03-21 Yangyang Li , Wei Zhai , Yang Cao , Zheng-jun Zha

3D scene generation seeks to synthesize spatially structured, semantically meaningful, and photorealistic environments for applications such as immersive media, robotics, autonomous driving, and embodied AI. Early methods based on…

计算机视觉与模式识别 · 计算机科学 2025-05-09 Beichen Wen , Haozhe Xie , Zhaoxi Chen , Fangzhou Hong , Ziwei Liu

Generative learning has advanced network neuroscience, enabling tasks like graph super-resolution, temporal graph prediction, and multimodal brain graph fusion. However, current methods, mainly based on graph neural networks (GNNs), focus…

机器学习 · 计算机科学 2025-09-16 Mayssa Soussia , Yijun Lin , Mohamed Ali Mahjoub , Islem Rekik