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相关论文: HierLoc: Hyperbolic Entity Embeddings for Hierarch…

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Visual relocalization is a fundamental task in the field of 3D computer vision, estimating a camera's pose when it revisits a previously known scene. While point-based hierarchical relocalization methods have shown strong scalability and…

计算机视觉与模式识别 · 计算机科学 2026-04-01 Huaqi Tao , Bingxi Liu , Guangcheng Chen , Fulin Tang , Li He , Hong Zhang

Many knowledge graphs contain a substantial number of spatial entities, such as cities, buildings, and natural landmarks. For many of these entities, exact geometries are stored within the knowledge graphs. However, most existing approaches…

机器学习 · 计算机科学 2025-04-25 Martin Boeckling , Heiko Paulheim , Sarah Detzler

Embedded topic models are able to learn interpretable topics even with large and heavy-tailed vocabularies. However, they generally hold the Euclidean embedding space assumption, leading to a basic limitation in capturing hierarchical…

信息检索 · 计算机科学 2022-10-20 Yishi Xu , Dongsheng Wang , Bo Chen , Ruiying Lu , Zhibin Duan , Mingyuan Zhou

For image segmentation, the current standard is to perform pixel-level optimization and inference in Euclidean output embedding spaces through linear hyperplanes. In this work, we show that hyperbolic manifolds provide a valuable…

计算机视觉与模式识别 · 计算机科学 2022-03-14 Mina GhadimiAtigh , Julian Schoep , Erman Acar , Nanne van Noord , Pascal Mettes

Hierarchical relations are prevalent and indispensable for organizing human knowledge captured by a knowledge graph (KG). The key property of hierarchical relations is that they induce a partial ordering over the entities, which needs to be…

机器学习 · 计算机科学 2021-11-02 Yushi Bai , Rex Ying , Hongyu Ren , Jure Leskovec

Image geolocation aims to infer capture locations based on visual content. Fundamentally, this constitutes a reasoning process composed of \textit{hypothesis-verification cycles}, requiring models to possess both geospatial reasoning…

人工智能 · 计算机科学 2026-01-28 Qiujun Li , Zijin Xiao , Xulin Wang , Zhidan Ma , Cheng Yang , Haifeng Li

Text-to-point-cloud localization enables robots to understand spatial positions through natural language descriptions, which is crucial for human-robot collaboration in applications such as autonomous driving and last-mile delivery.…

计算机视觉与模式识别 · 计算机科学 2026-04-03 Tianyi Shang , Zhenyu Li

Hierarchical clustering is a fundamental machine-learning technique for grouping data points into dendrograms. However, existing hierarchical clustering methods encounter two primary challenges: 1) Most methods specify dendrograms without a…

机器学习 · 计算机科学 2025-12-02 Guangjie Zeng , Hao Peng , Angsheng Li , Li Sun , Chunyang Liu , Shengze Li , Yicheng Pan , Philip S. Yu

High-dimensional multiplex graphs are characterized by their high number of complementary and divergent dimensions. The existence of multiple hierarchical latent relations between the graph dimensions poses significant challenges to…

机器学习 · 计算机科学 2025-01-30 Kamel Abdous , Nairouz Mrabah , Mohamed Bouguessa

We present a visual localization system that learns to estimate camera poses in the real world with the help of synthetic data. Despite significant progress in recent years, most learning-based approaches to visual localization target at a…

计算机视觉与模式识别 · 计算机科学 2022-03-31 Qi Yan , Jianhao Zheng , Simon Reding , Shanci Li , Iordan Doytchinov

Visual localization on standard-definition (SD) maps has emerged as a promising low-cost and scalable solution for autonomous driving. However, existing regression-based approaches often overlook inherent geometric priors, resulting in…

计算机视觉与模式识别 · 计算机科学 2026-01-08 Xuchang Zhong , Xu Cao , Jinke Feng , Hao Fang

Image geolocalization is the task of identifying the location depicted in a photo based only on its visual information. This task is inherently challenging since many photos have only few, possibly ambiguous cues to their geolocation.…

计算机视觉与模式识别 · 计算机科学 2018-08-08 Paul Hongsuck Seo , Tobias Weyand , Jack Sim , Bohyung Han

We examine the challenge of estimating the location of a single ground-level image in the absence of GPS or other location metadata. Currently, geolocation systems are evaluated by measuring the Great Circle Distance between the predicted…

计算机视觉与模式识别 · 计算机科学 2024-09-19 Michael J. Bianco , David Eigen , Michael Gormish

High-dimensional images, or images with a high-dimensional attribute vector per pixel, are commonly explored with coordinated views of a low-dimensional embedding of the attribute space and a conventional image representation. Nowadays,…

计算机视觉与模式识别 · 计算机科学 2026-03-02 Alexander Vieth , Boudewijn Lelieveldt , Elmar Eisemann , Anna Vilanova , Thomas Höllt

This survey reviews hyperbolic graph embedding models, and evaluate them on anomaly detection, highlighting their advantages over Euclidean methods in capturing complex structures. Evaluating models like \textit{HGCAE},…

We present a novel neural model HyperVec to learn hierarchical embeddings for hypernymy detection and directionality. While previous embeddings have shown limitations on prototypical hypernyms, HyperVec represents an unsupervised measure…

计算与语言 · 计算机科学 2017-07-25 Kim Anh Nguyen , Maximilian Köper , Sabine Schulte im Walde , Ngoc Thang Vu

Learning graph representations via low-dimensional embeddings that preserve relevant network properties is an important class of problems in machine learning. We here present a novel method to embed directed acyclic graphs. Following prior…

机器学习 · 计算机科学 2018-06-08 Octavian-Eugen Ganea , Gary Bécigneul , Thomas Hofmann

Deep Learning is mostly responsible for the surge of interest in Artificial Intelligence in the last decade. So far, deep learning researchers have been particularly successful in the domain of image processing, where Convolutional Neural…

机器学习 · 计算机科学 2023-08-31 Andrii Skliar , Maurice Weiler

Label inventories for fine-grained entity typing have grown in size and complexity. Nonetheless, they exhibit a hierarchical structure. Hyperbolic spaces offer a mathematically appealing approach for learning hierarchical representations of…

计算与语言 · 计算机科学 2020-10-06 Federico López , Michael Strube

Human proximity networks are temporal networks representing the close-range proximity among humans in a physical space. They have been extensively studied in the past 15 years as they are critical for understanding the spreading of diseases…

物理与社会 · 物理学 2020-11-24 Marco A. Rodríguez-Flores , Fragkiskos Papadopoulos