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This paper proposes a simple self-supervised approach for learning a representation for visual correspondence from raw video. We cast correspondence as prediction of links in a space-time graph constructed from video. In this graph, the…

Computer Vision and Pattern Recognition · Computer Science 2020-12-04 Allan Jabri , Andrew Owens , Alexei A. Efros

Vast amounts of human communication occurs online. These digital traces of natural human communication along with recent advances in natural language processing technology provide for computational analysis of these discussions. In the…

Social and Information Networks · Computer Science 2023-04-10 Nicholas Botzer , Tim Weninger

Video scene graph generation (VidSGG) aims to identify objects in visual scenes and infer their relationships for a given video. It requires not only a comprehensive understanding of each object scattered on the whole scene but also a deep…

Computer Vision and Pattern Recognition · Computer Science 2023-12-18 Tao Pu , Tianshui Chen , Hefeng Wu , Yongyi Lu , Liang Lin

Nonverbal behaviors, particularly gaze direction, play a crucial role in enhancing effective communication in social interactions. As social robots increasingly participate in these interactions, they must adapt their gaze based on human…

Robotics · Computer Science 2026-02-13 Faezeh Vahedi , Morteza Memari , Ramtin Tabatabaei , Alireza Taheri

Human-object interaction(HOI) detection is an important task for understanding human activity. Graph structure is appropriate to denote the HOIs in the scene. Since there is an subordination between human and object---human play subjective…

Computer Vision and Pattern Recognition · Computer Science 2020-10-21 Hai Wang , Wei-Shi Zheng , Ling Yingbiao

Predicting the future paths of an agent's neighbors accurately and in a timely manner is central to the autonomous applications for collision avoidance. Conventional approaches, e.g., LSTM-based models, take considerable computational costs…

Computer Vision and Pattern Recognition · Computer Science 2021-03-11 Chengxin Wang , Shaofeng Cai , Gary Tan

The advantages of temporal networks in capturing complex dynamics, such as diffusion and contagion, has led to breakthroughs in real world systems across numerous fields. In the case of human behavior, face-to-face interaction networks…

Social and Information Networks · Computer Science 2025-06-06 Nicolò Alessandro Girardini , Antonio Longa , Gaia Trebucchi , Giulia Cencetti , Andrea Passerini , Bruno Lepri

This paper presents a self-supervised method for learning reliable visual correspondence from unlabeled videos. We formulate the correspondence as finding paths in a joint space-time graph, where nodes are grid patches sampled from frames,…

Computer Vision and Pattern Recognition · Computer Science 2021-09-29 Zixu Zhao , Yueming Jin , Pheng-Ann Heng

Accurate demand forecasting is critical for enhancing the efficiency and responsiveness of food delivery platforms, where spatial heterogeneity and temporal fluctuations in order volumes directly influence operational decisions. This paper…

Machine Learning · Computer Science 2025-07-22 Rabia Latief Bhat , Iqra Altaf Gillani

Graph neural networks have emerged as a powerful tool for learning spatiotemporal interactions. However, conventional approaches often rely on predefined graphs, which may obscure the precise relationships being modeled. Additionally,…

Machine Learning · Computer Science 2025-02-21 Jeehong Kim , Minchan Kim , Jaeseong Ju , Youngseok Hwang , Wonhee Lee , Hyunwoo Park

This paper investigates traffic forecasting, which attempts to forecast the future state of traffic based on historical situations. This problem has received ever-increasing attention in various scenarios and facilitated the development of…

Machine Learning · Computer Science 2024-03-05 Wei Ju , Yusheng Zhao , Yifang Qin , Siyu Yi , Jingyang Yuan , Zhiping Xiao , Xiao Luo , Xiting Yan , Ming Zhang

We have seen tremendous recent progress in our ability to build "spatio-semantic" representations that enable robots to perform complex reasoning across geometry and semantics. However, the vast majority of these methods lack any ability to…

Understanding the content of videos is one of the core techniques for developing various helpful applications in the real world, such as recognizing various human actions for surveillance systems or customer behavior analysis in an…

Computer Vision and Pattern Recognition · Computer Science 2019-07-12 Chiwan Song , Woobin Im , Sung-eui Yoon

Vision-and-Language Navigation (VLN) requires an agent to navigate in a real-world environment following natural language instructions. From both the textual and visual perspectives, we find that the relationships among the scene, its…

Computer Vision and Pattern Recognition · Computer Science 2020-12-29 Yicong Hong , Cristian Rodriguez-Opazo , Yuankai Qi , Qi Wu , Stephen Gould

Vision and language understanding has emerged as a subject undergoing intense study in Artificial Intelligence. Among many tasks in this line of research, visual question answering (VQA) has been one of the most successful ones, where the…

Computer Vision and Pattern Recognition · Computer Science 2017-12-05 Yunseok Jang , Yale Song , Youngjae Yu , Youngjin Kim , Gunhee Kim

In visual surveillance systems, it is necessary to recognize the behavior of people handling objects such as a phone, a cup, or a plastic bag. In this paper, to address this problem, we propose a new framework for recognizing object-related…

Computer Vision and Pattern Recognition · Computer Science 2023-12-29 Sunoh Kim , Kimin Yun , Jongyoul Park , Jin Young Choi

There is significant progress in recognizing traditional human activities from videos focusing on highly distinctive actions involving discriminative body movements, body-object and/or human-human interactions. Driver's activities are…

Computer Vision and Pattern Recognition · Computer Science 2021-01-19 Zachary Wharton , Ardhendu Behera , Yonghuai Liu , Nik Bessis

Understanding social interactions requires reasoning over subtle non-verbal cues, yet current multimodal large language models (MLLMs) often fail to identify who interacts with whom in multi-person videos. We introduce GRASP, a large-scale…

Computer Vision and Pattern Recognition · Computer Science 2026-05-18 Junho Kim , Xu Cao , Houze Yang , Bikram Boote , Ana Jojic , Fiona Ryan , Bolin Lai , Sangmin Lee , James M. Rehg

Visual question answering is concerned with answering free-form questions about an image. Since it requires a deep linguistic understanding of the question and the ability to associate it with various objects that are present in the image,…

Machine Learning · Computer Science 2020-07-03 Marcel Hildebrandt , Hang Li , Rajat Koner , Volker Tresp , Stephan Günnemann

Video Semantic Role Labeling (VidSRL) aims to detect the salient events from given videos, by recognizing the predict-argument event structures and the interrelationships between events. While recent endeavors have put forth methods for…

Computer Vision and Pattern Recognition · Computer Science 2023-08-15 Yu Zhao , Hao Fei , Yixin Cao , Bobo Li , Meishan Zhang , Jianguo Wei , Min Zhang , Tat-Seng Chua