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Related papers: ABN: Agent-Aware Boundary Networks for Temporal Ac…

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Temporal action detection (TAD) aims to determine the semantic label and the temporal interval of every action instance in an untrimmed video. It is a fundamental and challenging task in video understanding. Previous methods tackle this…

Computer Vision and Pattern Recognition · Computer Science 2022-08-12 Xiaolong Liu , Qimeng Wang , Yao Hu , Xu Tang , Shiwei Zhang , Song Bai , Xiang Bai

Predicting future motions of nearby agents is essential for an autonomous vehicle to take safe and effective actions. In this paper, we propose TSGN, a framework using Temporal Scene Graph Neural Networks with projected vectorized…

Computer Vision and Pattern Recognition · Computer Science 2023-05-16 Yunong Wu , Thomas Gilles , Bogdan Stanciulescu , Fabien Moutarde

Human actions are based on the mental perception of the environment. Even when all the aspects of an environment are not visible, humans have an internal mental model that can generalize the partially visible scenes to fully constructed and…

Computer Vision and Pattern Recognition · Computer Science 2024-10-17 Usama Younus , Vinoj Jayasundara , Shivam Mishra , Suleyman Aslan

Agent-based modeling is a paradigm of modeling dynamic systems of interacting agents that are individually governed by specified behavioral rules. Training a model of such agents to produce an emergent behavior by specification of the…

Machine Learning · Computer Science 2019-10-11 Karan K. Budhraja , Hang Gao , Tim Oates

This technical report presents our solution for temporal action detection task in AcitivityNet Challenge 2021. The purpose of this task is to locate and identify actions of interest in long untrimmed videos. The crucial challenge of the…

Computer Vision and Pattern Recognition · Computer Science 2021-06-23 Xiang Wang , Zhiwu Qing , Ziyuan Huang , Yutong Feng , Shiwei Zhang , Jianwen Jiang , Mingqian Tang , Changxin Gao , Nong Sang

With the rapid development of the Internet, users have increasingly higher expectations for the recommendation accuracy of online content consumption platforms. However, short videos often contain diverse segments, and users may not hold…

Artificial Intelligence · Computer Science 2026-04-29 Wenhao Li , Zihan Lin , Zhengxiao Guo , Jie Zhou , Shukai Liu , Yongqi Liu , Chuan Luo , Chaoyi Ma , Ruiming Tang , Han Li

Temporally localizing actions in a video is a fundamental challenge in video understanding. Most existing approaches have often drawn inspiration from image object detection and extended the advances, e.g., SSD and Faster R-CNN, to produce…

Computer Vision and Pattern Recognition · Computer Science 2019-09-10 Fuchen Long , Ting Yao , Zhaofan Qiu , Xinmei Tian , Jiebo Luo , Tao Mei

We propose TAL-Net, an improved approach to temporal action localization in video that is inspired by the Faster R-CNN object detection framework. TAL-Net addresses three key shortcomings of existing approaches: (1) we improve receptive…

Computer Vision and Pattern Recognition · Computer Science 2018-04-23 Yu-Wei Chao , Sudheendra Vijayanarasimhan , Bryan Seybold , David A. Ross , Jia Deng , Rahul Sukthankar

In this paper we propose an extension of the Attention Branch Network (ABN) by using instance segmentation for generating sharper attention maps for action recognition. Methods for visual explanation such as Grad-CAM usually generate blurry…

Computer Vision and Pattern Recognition · Computer Science 2023-03-22 Tomoya Nitta , Tsubasa Hirakawa , Hironobu Fujiyoshi , Toru Tamaki

Action detection plays an important role in high-level video understanding and media interpretation. Many existing studies fulfill this spatio-temporal localization by modeling the context, capturing the relationship of actors, objects, and…

Computer Vision and Pattern Recognition · Computer Science 2021-08-27 Jingcheng Ni , Jie Qin , Di Huang

An effective understanding of the contextual environment and accurate motion forecasting of surrounding agents is crucial for the development of autonomous vehicles and social mobile robots. This task is challenging since the behavior of an…

Computer Vision and Pattern Recognition · Computer Science 2021-06-08 Defu Cao , Jiachen Li , Hengbo Ma , Masayoshi Tomizuka

Temporal action detection (TAD) is an important yet challenging task in video analysis. Most existing works draw inspiration from image object detection and tend to reformulate it as a proposal generation - classification problem. However,…

Computer Vision and Pattern Recognition · Computer Science 2022-03-04 Chen Zhao , Merey Ramazanova , Mengmeng Xu , Bernard Ghanem

We introduce DeepABM, a framework for agent-based modeling that leverages geometric message passing of graph neural networks for simulating action and interactions over large agent populations. Using DeepABM allows scaling simulations to…

In the task of temporal action localization of ActivityNet-1.3 datasets, we propose to locate the temporal boundaries of each action and predict action class in untrimmed videos. We first apply VideoSwinTransformer as feature extractor to…

Computer Vision and Pattern Recognition · Computer Science 2024-11-05 Shimin Chen , Wei Li , Jianyang Gu , Chen Chen , Yandong Guo

Time series modeling is crucial for many applications, however, it faces challenges such as complex spatio-temporal dependencies and distribution shifts in learning from historical context to predict task-specific outcomes. To address these…

Artificial Intelligence · Computer Science 2024-08-28 Chidaksh Ravuru , Sagar Srinivas Sakhinana , Venkataramana Runkana

Large language model (LLM) agents have shown impressive reasoning capabilities in interactive decision-making tasks. These agents interact with environment through intermediate interfaces, such as predefined action spaces and interaction…

Artificial Intelligence · Computer Science 2025-05-28 Kaiming Liu , Xuanyu Lei , Ziyue Wang , Peng Li , Yang Liu

Session-based recommendations which predict the next action by understanding a user's interaction behavior with items within a relatively short ongoing session have recently gained increasing popularity. Previous research has focused on…

Information Retrieval · Computer Science 2023-10-23 Eunkyu Oh , Taehun Kim

Visual explanation enables human to understand the decision making of Deep Convolutional Neural Network (CNN), but it is insufficient to contribute the performance improvement. In this paper, we focus on the attention map for visual…

Computer Vision and Pattern Recognition · Computer Science 2019-04-11 Hiroshi Fukui , Tsubasa Hirakawa , Takayoshi Yamashita , Hironobu Fujiyoshi

Agent based modelling (ABM) is a computational approach to modelling complex systems by specifying the behaviour of autonomous decision-making components or agents in the system and allowing the system dynamics to emerge from their…

Artificial Intelligence · Computer Science 2023-05-22 Leo Ardon , Jared Vann , Deepeka Garg , Tom Spooner , Sumitra Ganesh

Agentic AI networking (AgentNet) is a novel AI-native networking paradigm in which a large number of specialized AI agents collaborate to perform autonomous decision-making, dynamic environmental adaptation, and complex missions. It has the…

Artificial Intelligence · Computer Science 2026-05-13 Yong Xiao , Xubo Li , Haoran Zhou , Yingyu Li , Yayu Gao , Guangming Shi , Ping Zhang , Marwan Krunz