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Large graphs are present in a variety of domains, including social networks, civil infrastructure, and the physical sciences to name a few. Graph generation is similarly widespread, with applications in drug discovery, network analysis and…

Machine Learning · Computer Science 2023-11-08 Alex O. Davies , Nirav S. Ajmeri , Telmo M. Silva Filho

Knowledge graphs (KGs) have been increasingly employed for link prediction and recommendation using real-world datasets. However, the majority of current methods rely on static data, neglecting the dynamic nature and the hidden…

Artificial Intelligence · Computer Science 2024-02-20 Ruiyi Yang , Flora D. Salim , Hao Xue

The optical flow guidance strategy is ideal for obtaining motion information of objects in the video. It is widely utilized in video segmentation tasks. However, existing optical flow-based methods have a significant dependency on optical…

Computer Vision and Pattern Recognition · Computer Science 2023-12-18 Gensheng Pei , Fumin Shen , Yazhou Yao , Tao Chen , Xian-Sheng Hua , Heng-Tao Shen

The analysis of events in dynamic environments poses a fundamental challenge in the development of intelligent agents and robots capable of interacting with humans. Current approaches predominantly utilize visual models. However, these…

Computer Vision and Pattern Recognition · Computer Science 2025-05-07 Sergey Linok , Vadim Semenov , Anastasia Trunova , Oleg Bulichev , Dmitry Yudin

As a natural extension of the image synthesis task, video synthesis has attracted a lot of interest recently. Many image synthesis works utilize class labels or text as guidance. However, neither labels nor text can provide explicit…

Computer Vision and Pattern Recognition · Computer Science 2022-11-18 Yuren Cong , Jinhui Yi , Bodo Rosenhahn , Michael Ying Yang

Scene graph generation aims to produce structured representations for images, which requires to understand the relations between objects. Due to the continuous nature of deep neural networks, the prediction of scene graphs is divided into…

Computer Vision and Pattern Recognition · Computer Science 2020-08-13 Meng Wei , Chun Yuan , Xiaoyu Yue , Kuo Zhong

3D Semantic Scene Graph Prediction aims to detect objects and their semantic relationships in 3D scenes, and has emerged as a crucial technology for robotics and AR/VR applications. While previous research has addressed dataset limitations…

Computer Vision and Pattern Recognition · Computer Science 2026-03-20 KunHo Heo , GiHyun Kim , SuYeon Kim , MyeongAh Cho

Existing Scene Text Recognition (STR) methods typically use a language model to optimize the joint probability of the 1D character sequence predicted by a visual recognition (VR) model, which ignore the 2D spatial context of visual…

Computer Vision and Pattern Recognition · Computer Science 2021-12-28 Yue He , Chen Chen , Jing Zhang , Juhua Liu , Fengxiang He , Chaoyue Wang , Bo Du

The task of dynamic scene graph generation (SGG) from videos is complicated and challenging due to the inherent dynamics of a scene, temporal fluctuation of model predictions, and the long-tailed distribution of the visual relationships in…

Computer Vision and Pattern Recognition · Computer Science 2023-07-03 Sayak Nag , Kyle Min , Subarna Tripathi , Amit K. Roy Chowdhury

A fundamental aspect for building intelligent autonomous robots that can assist humans in their daily lives is the construction of rich environmental representations. While advances in semantic scene representations have enriched robotic…

Robotics · Computer Science 2026-02-17 Phuoc Nguyen , Francesco Verdoja , Ville Kyrki

This paper investigates the integration of graph neural networks (GNNs) with Qualitative Explainable Graphs (QXGs) for scene understanding in automated driving. Scene understanding is the basis for any further reactive or proactive…

Robotics · Computer Science 2025-04-18 Nassim Belmecheri , Arnaud Gotlieb , Nadjib Lazaar , Helge Spieker

Synthesizing natural human motion that adapts to complex environments while allowing creative control remains a fundamental challenge in motion synthesis. Existing models often fall short, either by assuming flat terrain or lacking the…

Computer Vision and Pattern Recognition · Computer Science 2024-12-23 Xiaohan Zhang , Sebastian Starke , Vladimir Guzov , Zhensong Zhang , Eduardo Pérez Pellitero , Gerard Pons-Moll

Lane detection is a crucial task in autonomous driving, as it helps ensure the safe operation of vehicles. However, existing datasets such as CULane and TuSimple contain relatively limited data under extreme weather conditions, including…

Computer Vision and Pattern Recognition · Computer Science 2026-04-14 Daichao Zhao , Qiupu Chen , Feng He , Xin Ning , Qiankun Li

Many state-of-the-art AI models deployed in cyber-physical systems (CPS), while highly accurate, are simply pattern-matchers.~With limited security guarantees, there are concerns for their reliability in safety-critical and contested…

Artificial Intelligence · Computer Science 2025-05-28 R. Spencer Hallyburton , Miroslav Pajic

Generative models have demonstrated remarkable abilities in generating high-fidelity visual content. In this work, we explore how generative models can further be used not only to synthesize visual content but also to understand the…

Computer Vision and Pattern Recognition · Computer Science 2025-06-25 Yanbo Wang , Justin Dauwels , Yilun Du

Effectively capturing intricate interactions among road users is of critical importance to achieving safe navigation for autonomous vehicles. While graph learning (GL) has emerged as a promising approach to tackle this challenge, existing…

Computer Vision and Pattern Recognition · Computer Science 2023-09-06 Junyao Wang , Arnav Vaibhav Malawade , Junhong Zhou , Shih-Yuan Yu , Mohammad Abdullah Al Faruque

Graph-based Retrieval-Augmented Generation (RAG) methods have significantly enhanced the performance of large language models (LLMs) in domain-specific tasks. However, existing RAG methods do not adequately utilize the naturally inherent…

Computation and Language · Computer Science 2025-09-29 Haoyu Huang , Yongfeng Huang , Junjie Yang , Zhenyu Pan , Yongqiang Chen , Kaili Ma , Hongzhi Chen , James Cheng

Document-level knowledge graph (KG) construction faces a fundamental scaling challenge: existing methods either rely on expensive large language models (LLMs), making them economically nonviable for large-scale corpora, or employ smaller…

Representing a graph as a vector is a challenging task; ideally, the representation should be easily computable and conducive to efficient comparisons among graphs, tailored to the particular data and analytical task at hand. Unfortunately,…

Social and Information Networks · Computer Science 2018-11-16 Anton Tsitsulin , Davide Mottin , Panagiotis Karras , Alex Bronstein , Emmanuel Müller

Research in scene graph generation (SGG) usually considers two-stage models, that is, detecting a set of entities, followed by combining them and labeling all possible relationships. While showing promising results, the pipeline structure…

Computer Vision and Pattern Recognition · Computer Science 2023-06-12 Alakh Desai , Tz-Ying Wu , Subarna Tripathi , Nuno Vasconcelos