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While CNN-based models have made remarkable progress on human pose estimation, what spatial dependencies they capture to localize keypoints remains unclear. In this work, we propose a model called \textbf{TransPose}, which introduces…

Computer Vision and Pattern Recognition · Computer Science 2021-09-02 Sen Yang , Zhibin Quan , Mu Nie , Wankou Yang

Attentional mechanisms are order-invariant. Positional encoding is a crucial component to allow attention-based deep model architectures such as Transformer to address sequences or images where the position of information matters. In this…

Machine Learning · Computer Science 2021-11-10 Yang Li , Si Si , Gang Li , Cho-Jui Hsieh , Samy Bengio

High-precision vehicle localization with commercial setups is a crucial technique for high-level autonomous driving tasks. Localization with a monocular camera in LiDAR map is a newly emerged approach that achieves promising balance between…

Robotics · Computer Science 2023-05-09 Jinyu Miao , Kun Jiang , Yunlong Wang , Tuopu Wen , Zhongyang Xiao , Zheng Fu , Mengmeng Yang , Maolin Liu , Diange Yang

Point-of-Interest (POI) recommendation is one of the most important location-based services helping people discover interesting venues or services. However, the extreme user-POI matrix sparsity and the varying spatio-temporal context pose…

Machine Learning · Computer Science 2020-09-02 Xianjing Wang , Flora D. Salim , Yongli Ren , Piotr Koniusz

Spatial grounding, the process of associating natural language expressions with corresponding image regions, has rapidly advanced due to the introduction of transformer-based models, significantly enhancing multimodal representation and…

Computer Vision and Pattern Recognition · Computer Science 2025-07-18 Ijazul Haq , Muhammad Saqib , Yingjie Zhang

Many social network applications depend on robust representations of spatio-temporal data. In this work, we present an embedding model based on feed-forward neural networks which transforms social media check-ins into dense feature vectors…

Information Retrieval · Computer Science 2018-01-23 Jing Yang , Carsten Eickhoff

Recent advancements in transformer-based models have greatly improved time series analysis, providing robust solutions for tasks such as forecasting, anomaly detection, and classification. A crucial element of these models is positional…

Machine Learning · Computer Science 2026-05-07 Habib Irani , Vangelis Metsis

The next Point-of-Interest (POI) recommendation task aims to predict users' next destinations based on their historical movement data and plays a key role in location-based services and personalized applications. Accurate next POI…

Information Retrieval · Computer Science 2025-05-21 Zhao Liu , Wei Liu , Huajie Zhu , Jianxing Yu , Jian Yin , Wang-Chien Lee , Shun Wang

Transformers have gained increasing popularity in a wide range of applications, including Natural Language Processing (NLP), Computer Vision and Speech Recognition, because of their powerful representational capacity. However, harnessing…

Artificial Intelligence (AI)-based radio fingerprinting (FP) outperforms classic localization methods in propagation environments with strong multipath effects. However, the model and data orchestration of FP are time-consuming and costly,…

Signal Processing · Electrical Eng. & Systems 2024-10-02 Jonathan Ott , Jonas Pirkl , Maximilian Stahlke , Tobias Feigl , Christopher Mutschler

Most approaches for semantic segmentation use only information from color cameras to parse the scenes, yet recent advancements show that using depth data allows to further improve performances. In this work, we focus on transformer-based…

Computer Vision and Pattern Recognition · Computer Science 2023-03-28 Francesco Barbato , Giulia Rizzoli , Pietro Zanuttigh

Visual place recognition is a challenging task for applications such as autonomous driving navigation and mobile robot localization. Distracting elements presenting in complex scenes often lead to deviations in the perception of visual…

Computer Vision and Pattern Recognition · Computer Science 2022-04-14 Ruotong Wang , Yanqing Shen , Weiliang Zuo , Sanping Zhou , Nanning Zheng

Street-level geolocalization from images is crucial for a wide range of essential applications and services, such as navigation, location-based recommendations, and urban planning. With the growing popularity of social media data and…

Computer Vision and Pattern Recognition · Computer Science 2025-09-03 Yunus Serhat Bicakci , Joseph Shingleton , Anahid Basiri

Accurate estimation of user location is important for many online services. Previous neural network based methods largely ignore the hierarchical structure among locations. In this paper, we propose a hierarchical location prediction neural…

Social and Information Networks · Computer Science 2019-10-30 Binxuan Huang , Kathleen M. Carley

The next point-of-interest (POI) prediction is a significant task in location-based services, yet its complexity arises from the consolidation of spatial and semantic intent. This fusion is subject to the influences of historical…

Information Retrieval · Computer Science 2024-04-09 Nan Jiang , Haitao Yuan , Jianing Si , Minxiao Chen , Shangguang Wang

Ubiquitous mobile devices are generating vast amounts of location-based service data that reveal how individuals navigate and utilize urban spaces in detail. In this study, we utilize these extensive, unlabeled sequences of user…

Machine Learning · Computer Science 2024-06-06 Xinhua Wu , Haoyu He , Yanchao Wang , Qi Wang

3D human pose estimation can be handled by encoding the geometric dependencies between the body parts and enforcing the kinematic constraints. Recently, Transformer has been adopted to encode the long-range dependencies between the joints…

Computer Vision and Pattern Recognition · Computer Science 2022-03-28 Mohammed Hassanin , Abdelwahed Khamiss , Mohammed Bennamoun , Farid Boussaid , Ibrahim Radwan

Spatial functional organization is a hallmark of biological brains: neurons are arranged topographically according to their response properties, at multiple scales. In contrast, representations within most machine learning models lack…

Computation and Language · Computer Science 2025-10-22 Taha Binhuraib , Greta Tuckute , Nicholas Blauch

Social media messages posted by people during natural disasters often contain important location descriptions, such as the locations of victims. Recent research has shown that many of these location descriptions go beyond simple place…

Computers and Society · Computer Science 2023-10-17 Yingjie Hu , Gengchen Mai , Chris Cundy , Kristy Choi , Ni Lao , Wei Liu , Gaurish Lakhanpal , Ryan Zhenqi Zhou , Kenneth Joseph

Social media platforms such as Twitter and Facebook have become deeply embedded in our everyday life, offering a dynamic stream of localized news and personal experiences. The ubiquity of these platforms position them as valuable resources…

Information Retrieval · Computer Science 2025-08-07 Wenchuan Mu , Menglin Li , Kwan Hui Lim