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Gaussian and discrete non-Gaussian spatial datasets are common across fields like public health, ecology, geosciences, and social sciences. Bayesian spatial generalized linear mixed models (SGLMMs) are a flexible class of models for…

统计方法学 · 统计学 2025-01-27 Jin Hyung Lee , Ben Seiyon Lee

Video co-segmentation refers to the task of jointly segmenting common objects appearing in a given group of videos. In practice, high-dimensional data such as videos can be conceptually thought as being drawn from a union of subspaces…

计算机视觉与模式识别 · 计算机科学 2021-04-29 Junlin Yao , Frank Nielsen

We present an audio-visual multimodal approach for the task of zeroshot learning (ZSL) for classification and retrieval of videos. ZSL has been studied extensively in the recent past but has primarily been limited to visual modality and to…

计算机视觉与模式识别 · 计算机科学 2019-10-22 Kranti Kumar Parida , Neeraj Matiyali , Tanaya Guha , Gaurav Sharma

Recent advancements in zero-shot video diffusion models have shown promise for text-driven video editing, but challenges remain in achieving high temporal consistency. To address this, we introduce Video-3DGS, a 3D Gaussian Splatting…

计算机视觉与模式识别 · 计算机科学 2025-04-08 Inkyu Shin , Qihang Yu , Xiaohui Shen , In So Kweon , Kuk-Jin Yoon , Liang-Chieh Chen

Visual SLAM algorithms achieve significant improvements through the exploration of 3D Gaussian Splatting (3DGS) representations, particularly in generating high-fidelity dense maps. However, they depend on a static environment assumption…

机器人学 · 计算机科学 2026-04-15 Yi Liu , Haoxuan Xu , Hongbo Duan , Keyu Fan , Zhengyang Zhang , Peiyu Zhuang , Pengting Luo , Houde Liu

Safety is a top priority for civil aviation. New anomaly detection methods, primarily clustering methods, have been developed to monitor pilot operations and detect any risks from such flight data. However, all existing anomaly detection…

机器学习 · 计算机科学 2021-10-07 Weizun Zhao , Lishuai Li , Sameer Alam , Yanjun Wang

Normalizing flows transform a latent distribution through an invertible neural network for a flexible and pleasingly simple approach to generative modelling, while preserving an exact likelihood. We propose FlowGMM, an end-to-end approach…

机器学习 · 计算机科学 2020-01-01 Pavel Izmailov , Polina Kirichenko , Marc Finzi , Andrew Gordon Wilson

Video objection detection (VID) has been a rising research direction in recent years. A central issue of VID is the appearance degradation of video frames caused by fast motion. This problem is essentially ill-posed for a single frame.…

计算机视觉与模式识别 · 计算机科学 2019-08-21 Haiping Wu , Yuntao Chen , Naiyan Wang , Zhaoxiang Zhang

In this work, we introduce a new video representation for action classification that aggregates local convolutional features across the entire spatio-temporal extent of the video. We do so by integrating state-of-the-art two-stream networks…

计算机视觉与模式识别 · 计算机科学 2017-04-11 Rohit Girdhar , Deva Ramanan , Abhinav Gupta , Josef Sivic , Bryan Russell

Compared with still image object detection, video object detection (VOD) needs to particularly concern the high across-frame variation in object appearance, and the diverse deterioration in some frames. In principle, the detection in a…

计算机视觉与模式识别 · 计算机科学 2024-07-30 Yuheng Shi , Tong Zhang , Xiaojie Guo

The recent advances in 3D Gaussian Splatting (3DGS) show promising results on the novel view synthesis (NVS) task. With its superior rendering performance and high-fidelity rendering quality, 3DGS is excelling at its previous NeRF…

计算机视觉与模式识别 · 计算机科学 2024-10-30 Yu Chen , Gim Hee Lee

Gaussian Mixture Models (GMM) have found many applications in density estimation and data clustering. However, the model does not adapt well to curved and strongly nonlinear data. Recently there appeared an improvement called AcaGMM (Active…

机器学习 · 统计学 2015-02-09 P. Spurek , J. Tabor , P. Markowicz

Dense depth and pose estimation is a vital prerequisite for various video applications. Traditional solutions suffer from the robustness of sparse feature tracking and insufficient camera baselines in videos. Therefore, recent methods…

计算机视觉与模式识别 · 计算机科学 2022-08-05 Yao-Chih Lee , Kuan-Wei Tseng , Guan-Sheng Chen , Chu-Song Chen

Vision-language tracking has gained increasing attention in many scenarios. This task simultaneously deals with visual and linguistic information to localize objects in videos. Despite its growing utility, the development of vision-language…

计算机视觉与模式识别 · 计算机科学 2026-02-03 Xingyu Luo , Yidong Cai , Jie Liu , Jie Tang , Gangshan Wu , Limin Wang

Graphical models serve as effective tools for visualizing conditional dependencies between variables. However, as the number of variables grows, interpretation becomes increasingly difficult, and estimation uncertainty increases due to the…

机器学习 · 统计学 2026-03-25 D. J. W. Touw , A. Alfons , P. J. F. Groenen , I. Wilms

Stochastic Gradient Descent (SGD) is a popular optimization method which has been applied to many important machine learning tasks such as Support Vector Machines and Deep Neural Networks. In order to parallelize SGD, minibatch training is…

机器学习 · 统计学 2014-05-14 Peilin Zhao , Tong Zhang

With the rapid increase of big data, distributed Machine Learning (ML) has been widely applied in training large-scale models. Stochastic Gradient Descent (SGD) is arguably the workhorse algorithm of ML. Distributed ML models trained by SGD…

机器学习 · 计算机科学 2021-12-09 Keyu Yang , Lu Chen , Zhihao Zeng , Yunjun Gao

In this article we propose and validate an unsupervised probabilistic model, Gaussian Latent Dirichlet Allocation (GLDA), for the problem of discrete state discovery from repeated, multivariate psychophysiological samples collected from…

机器学习 · 计算机科学 2022-06-30 Congyu Wu , Aaron Fisher , David Schnyer

Video classification has advanced tremendously over the recent years. A large part of the improvements in video classification had to do with the work done by the image classification community and the use of deep convolutional networks…

计算机视觉与模式识别 · 计算机科学 2015-05-26 Balakrishnan Varadarajan , George Toderici , Sudheendra Vijayanarasimhan , Apostol Natsev

3D Gaussian Splatting (3DGS) enhances 3D scene reconstruction through explicit representation and fast rendering, demonstrating potential benefits for various low-level vision tasks, including video compression. However, existing 3DGS-based…

计算机视觉与模式识别 · 计算机科学 2025-11-11 Siyue Teng , Ge Gao , Duolikun Danier , Yuxuan Jiang , Fan Zhang , Thomas Davis , Zoe Liu , David Bull