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Related papers: Urban Region Embedding via Multi-View Contrastive …

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The increasing availability of urban data offers new opportunities for learning region representations, which can be used as input to machine learning models for downstream tasks such as check-in or crime prediction. While existing…

Machine Learning · Computer Science 2025-06-05 Fengze Sun , Yanchuan Chang , Egemen Tanin , Shanika Karunasekera , Jianzhong Qi

Representation learning stands as one of the critical machine learning techniques across various domains. Through the acquisition of high-quality features, pre-trained embeddings significantly reduce input space redundancy, benefiting…

Machine Learning · Computer Science 2023-12-19 Suiyao Chen , Jing Wu , Naira Hovakimyan , Handong Yao

We present a new self-supervised paradigm on point cloud sequence understanding. Inspired by the discriminative and generative self-supervised methods, we design two tasks, namely point cloud sequence based Contrastive Prediction and…

Computer Vision and Pattern Recognition · Computer Science 2023-05-23 Xiaoxiao Sheng , Zhiqiang Shen , Gang Xiao

Incorporating spatial information, particularly those influenced by climate, weather, and demographic factors, is crucial for improving underwriting precision and enhancing risk management in insurance. However, spatial data are often…

Risk Management · Quantitative Finance 2025-11-25 Freek Holvoet , Christopher Blier-Wong , Katrien Antonio

Recent advances in urban region representation learning have enabled a wide range of applications in urban analytics, yet existing methods remain limited in their capabilities to generalize across cities and analytic tasks. We aim to…

Machine Learning · Computer Science 2026-02-18 Fengze Sun , Egemen Tanin , Shanika Karunasekera , Zuqing Li , Flora D. Salim , Jianzhong Qi

Contrastive image-text models such as CLIP form the building blocks of many state-of-the-art systems. While they excel at recognizing common generic concepts, they still struggle on fine-grained entities which are rare, or even absent from…

Computer Vision and Pattern Recognition · Computer Science 2024-02-22 Ahmet Iscen , Mathilde Caron , Alireza Fathi , Cordelia Schmid

We learn, in an unsupervised way, an embedding from sequences of radar images that is suitable for solving the place recognition problem with complex radar data. Our method is based on invariant instance feature learning but is tailored for…

Computer Vision and Pattern Recognition · Computer Science 2021-10-07 Matthew Gadd , Daniele De Martini , Paul Newman

Person re-identification (re-id) aims to match pedestrians observed by disjoint camera views. It attracts increasing attention in computer vision due to its importance to surveillance system. To combat the major challenge of cross-view…

Computer Vision and Pattern Recognition · Computer Science 2017-09-08 Lin Wu , Yang Wang , Junbin Gao , Xue Li

Urban profiling aims to predict urban profiles in unknown regions and plays a critical role in economic and social censuses. Existing approaches typically follow a two-stage paradigm: first, learning representations of urban areas; second,…

Machine Learning · Computer Science 2025-08-06 Ruixing Zhang , Bo Wang , Tongyu Zhu , Leilei Sun , Weifeng Lv

Crowd counting is a concerned and challenging task in computer vision. Existing density map based methods excessively focus on the individuals' localization which harms the crowd counting performance in highly congested scenes. In addition,…

Computer Vision and Pattern Recognition · Computer Science 2020-05-21 Xinya Chen , Yanrui Bin , Changxin Gao , Nong Sang , Hao Tang

Multiview network embedding aims at projecting nodes in the network to low-dimensional vectors, while preserving their multiple relations and attribute information. Contrastive learning approaches have shown promising performance in this…

Machine Learning · Computer Science 2022-08-18 Mengqi Zhang , Yanqiao Zhu , Qiang Liu , Shu Wu , Liang Wang

Multi-view representation learning has developed rapidly over the past decades and has been applied in many fields. However, most previous works assumed that each view is complete and aligned. This leads to an inevitable deterioration in…

Computer Vision and Pattern Recognition · Computer Science 2022-11-10 Yiming Wang , Dongxia Chang , Zhiqiang Fu , Jie Wen , Yao Zhao

Contrastive self-supervised learning has attracted significant research attention recently. It learns effective visual representations from unlabeled data by embedding augmented views of the same image close to each other while pushing away…

Computer Vision and Pattern Recognition · Computer Science 2022-04-05 Yichen Zhang , Yifang Yin , Ying Zhang , Roger Zimmermann

In this work, we leverage estimated depth to boost self-supervised contrastive learning for segmentation of urban scenes, where unlabeled videos are readily available for training self-supervised depth estimation. We argue that the…

Computer Vision and Pattern Recognition · Computer Science 2022-11-28 Liang Zeng , Attila Lengyel , Nergis Tömen , Jan van Gemert

The explosion of massive urban data recently has provided us with a valuable opportunity to gain deeper insights into urban regions and the daily lives of residents. Urban region representation learning emerges as a crucial realm for…

Social and Information Networks · Computer Science 2024-07-03 Zhuo Xu , Xiao Zhou

Exploring the complementary information of multi-view data to improve clustering effects is a crucial issue in multi-view clustering. In this paper, we propose a novel model based on information theory termed Informative Multi-View…

Machine Learning · Computer Science 2023-05-31 Fu Lele , Zhang Lei , Wang Tong , Chen Chuan , Zhang Chuanfu , Zheng Zibin

Urban region representation is crucial for various urban downstream tasks. However, despite the proliferation of methods and their success, acquiring general urban region knowledge and adapting to different tasks remains challenging.…

Artificial Intelligence · Computer Science 2025-07-04 Jiahui Jin , Yifan Song , Dong Kan , Haojia Zhu , Xiangguo Sun , Zhicheng Li , Xigang Sun , Jinghui Zhang

Multi-view clustering can explore common semantics from multiple views and has attracted increasing attention. However, existing works punish multiple objectives in the same feature space, where they ignore the conflict between learning…

Machine Learning · Computer Science 2022-03-28 Jie Xu , Huayi Tang , Yazhou Ren , Liang Peng , Xiaofeng Zhu , Lifang He

Recently, learning effective representations of urban regions has gained significant attention as a key approach to understanding urban dynamics and advancing smarter cities. Existing approaches have demonstrated the potential of leveraging…

Machine Learning · Computer Science 2025-02-06 Namwoo Kim , Takahiro Yabe , Chanyoung Park , Yoonjin Yoon

Due to the existence of various views or representations in many real-world data, multi-view learning has drawn much attention recently. Multi-view spectral clustering methods based on similarity matrixes or graphs are pretty popular.…

Computer Vision and Pattern Recognition · Computer Science 2017-09-13 Nan Xu , Yanqing Guo , Jiujun Wang , Xiangyang Luo , Ran He