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In recent years, action recognition has received much attention and wide application due to its important role in video understanding. Most of the researches on action recognition methods focused on improving the performance via various…

Computer Vision and Pattern Recognition · Computer Science 2025-02-04 Pengcheng Dong , Wenbo Wan , Huaxiang Zhang , Shuai Li , Sujuan Hou , Jiande Sun

Traditional scene graphs primarily focus on spatial relationships, limiting vision-language models' (VLMs) ability to reason about complex interactions in visual scenes. This paper addresses two key challenges: (1) conventional…

Computer Vision and Pattern Recognition · Computer Science 2025-05-15 Dayong Liang , Changmeng Zheng , Zhiyuan Wen , Yi Cai , Xiao-Yong Wei , Qing Li

Action recognition is an open and challenging problem in computer vision. While current state-of-the-art models offer excellent recognition results, their computational expense limits their impact for many real-world applications. In this…

Computer Vision and Pattern Recognition · Computer Science 2020-08-03 Yue Meng , Chung-Ching Lin , Rameswar Panda , Prasanna Sattigeri , Leonid Karlinsky , Aude Oliva , Kate Saenko , Rogerio Feris

Visual interactivity understanding within visual scenes presents a significant challenge in computer vision. Existing methods focus on complex interactivities while leveraging a simple relationship model. These methods, however, struggle…

Computer Vision and Pattern Recognition · Computer Science 2024-03-18 Trong-Thuan Nguyen , Pha Nguyen , Khoa Luu

We address the problem of recognizing situations in images. Given an image, the task is to predict the most salient verb (action), and fill its semantic roles such as who is performing the action, what is the source and target of the…

Computer Vision and Pattern Recognition · Computer Science 2017-08-16 Ruiyu Li , Makarand Tapaswi , Renjie Liao , Jiaya Jia , Raquel Urtasun , Sanja Fidler

Elucidating and accurately predicting the druggability and bioactivities of molecules plays a pivotal role in drug design and discovery and remains an open challenge. Recently, graph neural networks (GNN) have made remarkable advancements…

Machine Learning · Computer Science 2022-08-31 Weimin Zhu , Yi Zhang , DuanCheng Zhao , Jianrong Xu , Ling Wang

Understanding human motion behaviour is a critical task for several possible applications like self-driving cars or social robots, and in general for all those settings where an autonomous agent has to navigate inside a human-centric…

Computer Vision and Pattern Recognition · Computer Science 2020-10-26 Alessio Monti , Alessia Bertugli , Simone Calderara , Rita Cucchiara

With advances in data-driven machine learning research, a wide variety of prediction models have been proposed to capture spatio-temporal features for the analysis of video streams. Recognising actions and detecting action transitions…

Computer Vision and Pattern Recognition · Computer Science 2024-03-06 Harshala Gammulle , David Ahmedt-Aristizabal , Simon Denman , Lachlan Tychsen-Smith , Lars Petersson , Clinton Fookes

Text-based video segmentation aims to segment an actor in video sequences by specifying the actor and its performing action with a textual query. Previous methods fail to explicitly align the video content with the textual query in a…

Computer Vision and Pattern Recognition · Computer Science 2022-08-23 Jianhua Yang , Yan Huang , Kai Niu , Linjiang Huang , Zhanyu Ma , Liang Wang

The chronological order of user-item interactions can reveal time-evolving and sequential user behaviors in many recommender systems. The items that users will interact with may depend on the items accessed in the past. However, the…

Information Retrieval · Computer Science 2019-12-30 Chen Ma , Liheng Ma , Yingxue Zhang , Jianing Sun , Xue Liu , Mark Coates

In this paper we propose a new framework to categorize social interactions in egocentric videos, we named InteractionGCN. Our method extracts patterns of relational and non-relational cues at the frame level and uses them to build a…

Computer Vision and Pattern Recognition · Computer Science 2021-06-09 Simone Felicioni , Mariella Dimiccoli

As a fundamental aspect of human life, two-person interactions contain meaningful information about people's activities, relationships, and social settings. Human action recognition serves as the foundation for many smart applications, with…

Computer Vision and Pattern Recognition · Computer Science 2024-05-15 Yao Liu , Gangfeng Cui , Jiahui Luo , Xiaojun Chang , Lina Yao

Behavior prediction of traffic actors is an essential component of any real-world self-driving system. Actors' long-term behaviors tend to be governed by their interactions with other actors or traffic elements (traffic lights, stop signs)…

Machine Learning · Computer Science 2020-09-29 Sumit Kumar , Yiming Gu , Jerrick Hoang , Galen Clark Haynes , Micol Marchetti-Bowick

The medical image is characterized by the inter-class indistinction, high variability, and noise, where the recognition of pixels is challenging. Unlike previous self-attention based methods that capture context information from one level,…

Computer Vision and Pattern Recognition · Computer Science 2019-11-26 Fei Ding , Gang Yang , Jinlu Liu , Jun Wu , Dayong Ding , Jie Xv , Gangwei Cheng , Xirong Li

Activity recognition is the ability to identify and recognize the action or goals of the agent. The agent can be any object or entity that performs action that has end goals. The agents can be a single agent performing the action or group…

Machine Learning · Computer Science 2019-06-19 Ashwin Geet D'Sa , B. G. Prasad

Forecasting the future behaviors of dynamic actors is an important task in many robotics applications such as self-driving. It is extremely challenging as actors have latent intentions and their trajectories are governed by complex…

Computer Vision and Pattern Recognition · Computer Science 2021-01-19 Wenyuan Zeng , Ming Liang , Renjie Liao , Raquel Urtasun

Action recognition is also key for applications ranging from robotics to healthcare monitoring. Action information can be extracted from the body pose and movements, as well as from the background scene. However, the extent to which deep…

Computer Vision and Pattern Recognition · Computer Science 2025-12-09 Aidas Aglinskas , Stefano Anzellotti

Deep learning has made significant strides in video understanding tasks, but the computation required to classify lengthy and massive videos using clip-level video classifiers remains impractical and prohibitively expensive. To address this…

Computer Vision and Pattern Recognition · Computer Science 2023-08-21 Muhammad Adi Nugroho , Sangmin Woo , Sumin Lee , Changick Kim

Heterogeneous Graph Neural Networks (HGNNs) have exhibited powerful performance in heterogeneous graph learning by aggregating information from various types of nodes and edges. However, existing heterogeneous graph models often struggle to…

Machine Learning · Computer Science 2025-09-30 Ranhui Yan , Jia cai

Graphs are a ubiquitous data structure to model processes and relations in a wide range of domains. Examples include control-flow graphs in programs and semantic scene graphs in images. Identifying subgraph patterns in graphs is an…

Machine Learning · Computer Science 2022-02-22 Huan Song , Zeng Dai , Panpan Xu , Liu Ren