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The extraction of keypoints in images is at the basis of many computer vision applications, from localization to 3D reconstruction. Keypoints come with a score permitting to rank them according to their quality. While learned keypoints…

计算机视觉与模式识别 · 计算机科学 2024-09-02 Emanuele Santellani , Martin Zach , Christian Sormann , Mattia Rossi , Andreas Kuhn , Friedrich Fraundorfer

Multimodal learning aims to discover the relationship between multiple modalities. It has become an important research topic due to extensive multimodal applications such as cross-modal retrieval. This paper attempts to address the modality…

机器学习 · 计算机科学 2019-08-15 Guoli Song , Shuhui Wang , Qingming Huang , Qi Tian

We propose a novel idea for depth estimation from multi-view image-pose pairs, where the model has capability to leverage information from previous latent-space encodings of the scene. This model uses pairs of images and poses, which are…

计算机视觉与模式识别 · 计算机科学 2019-08-19 Yuxin Hou , Juho Kannala , Arno Solin

We propose a method for learning constraints represented as Gaussian processes (GPs) from locally-optimal demonstrations. Our approach uses the Karush-Kuhn-Tucker (KKT) optimality conditions to determine where on the demonstrations the…

机器人学 · 计算机科学 2022-03-02 Glen Chou , Hao Wang , Dmitry Berenson

Recently, Gaussian Splatting methods have emerged as a desirable substitute for prior Radiance Field methods for novel-view synthesis of scenes captured with multi-view images or videos. In this work, we propose a novel extension to 4D…

计算机视觉与模式识别 · 计算机科学 2025-06-03 Karly Hou , Wanhua Li , Hanspeter Pfister

Sequential learning with Gaussian processes (GPs) is challenging when access to past data is limited, for example, in continual and active learning. In such cases, errors can accumulate over time due to inaccuracies in the posterior,…

机器学习 · 计算机科学 2023-06-07 Paul E. Chang , Prakhar Verma , S. T. John , Arno Solin , Mohammad Emtiyaz Khan

We propose a novel approach to the recognition of particular classes of non-conventional events in signals from phase-sensitive optical time-domain-reflectometry-based sensors. Our algorithmic solution has two main features: filtering aimed…

Gaussian Processes (GPs) have been widely used in machine learning to model distributions over functions, with applications including multi-modal regression, time-series prediction, and few-shot learning. GPs are particularly useful in the…

A key challenge with controlling complex dynamical systems is to accurately model them. However, this requirement is very hard to satisfy in practice. Data-driven approaches such as Gaussian processes (GPs) have proved quite effective by…

机器人学 · 计算机科学 2022-03-08 Mouhyemen Khan , Akash Patel , Abhijit Chatterjee

Human perception integrates multiple modalities, such as vision, hearing, and language, into a unified understanding of the surrounding reality. While recent multimodal models have achieved significant progress by aligning pairs of…

计算机视觉与模式识别 · 计算机科学 2025-02-13 Giordano Cicchetti , Eleonora Grassucci , Luigi Sigillo , Danilo Comminiello

Few-shot cross-modal retrieval focuses on learning cross-modal representations with limited training samples, enabling the model to handle unseen classes during inference. Unlike traditional cross-modal retrieval tasks, which assume that…

计算机视觉与模式识别 · 计算机科学 2025-05-20 Chengsong Sun , Weiping Li , Xiang Li , Yuankun Liu , Lianlei Shan

Gaussian mixture models (GMMs) are ubiquitous in statistical learning, particularly for unsupervised problems. While full GMMs suffer from the overparameterization of their covariance matrices in high-dimensional spaces, spherical GMMs…

机器学习 · 统计学 2025-11-10 Tom Szwagier , Pierre-Alexandre Mattei , Charles Bouveyron , Xavier Pennec

Clustering multi-view data has been a fundamental research topic in the computer vision community. It has been shown that a better accuracy can be achieved by integrating information of all the views than just using one view individually.…

计算机视觉与模式识别 · 计算机科学 2019-07-24 Ming Yin , Weitian Huang , Junbin Gao

For a learning task, Gaussian process (GP) is interested in learning the statistical relationship between inputs and outputs, since it offers not only the prediction mean but also the associated variability. The vanilla GP however struggles…

机器学习 · 统计学 2020-09-01 Haitao Liu , Yew-Soon Ong , Xiaomo Jiang , Xiaofang Wang

The task of weakly supervised temporal sentence grounding (WSTSG) aims to detect temporal intervals corresponding to a language description from untrimmed videos with only video-level video-language correspondence. For an anchor sample,…

计算机视觉与模式识别 · 计算机科学 2025-05-13 Lu Dong , Haiyu Zhang , Hongjie Zhang , Yifei Huang , Zhen-Hua Ling , Yu Qiao , Limin Wang , Yali Wang

This paper presents Probabilistic Video Contrastive Learning, a self-supervised representation learning method that bridges contrastive learning with probabilistic representation. We hypothesize that the clips composing the video have…

计算机视觉与模式识别 · 计算机科学 2022-04-11 Jungin Park , Jiyoung Lee , Ig-Jae Kim , Kwanghoon Sohn

Model-based reinforcement learning refers to a set of approaches capable of sample-efficient decision making, which create an explicit model of the environment. This model can subsequently be used for learning optimal policies. In this…

机器学习 · 计算机科学 2024-11-19 Théophile Champion , Marek Grześ , Howard Bowman

Multi-output Gaussian process (MGP) is commonly used as a transfer learning method to leverage information among multiple outputs. A key advantage of MGP is providing uncertainty quantification for prediction, which is highly important for…

机器学习 · 统计学 2024-09-06 Wang Xinming , Li Yongxiang , Yue Xiaowei , Wu Jianguo

Spatial modelling of extreme values allows studying the risk of joint occurrence of extreme events at different locations and is of significant interest in climatic and other environmental sciences. A popular class of dependence models for…

统计方法学 · 统计学 2026-02-11 Lorenzo Dell'Oro , Carlo Gaetan , Thomas Opitz

Temporal action proposal generation is an important task, aiming to localize the video segments containing human actions in an untrimmed video. In this paper, we propose a multi-granularity generator (MGG) to perform the temporal action…

计算机视觉与模式识别 · 计算机科学 2019-04-15 Yuan Liu , Lin Ma , Yifeng Zhang , Wei Liu , Shih-Fu Chang