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Graph based representation has been widely used in modelling spatio-temporal relationships in video understanding. Although effective, existing graph-based approaches focus on capturing the human-object relationships while ignoring…

计算机视觉与模式识别 · 计算机科学 2025-01-14 Chinthani Sugandhika , Chen Li , Deepu Rajan , Basura Fernando

Generating explorable 3D scenes from a single image is a highly challenging problem in 3D vision. Existing methods struggle to support free exploration, often producing severe geometric distortions and noisy artifacts when the viewpoint…

计算机视觉与模式识别 · 计算机科学 2026-03-02 Pengfei Wang , Liyi Chen , Zhiyuan Ma , Yanjun Guo , Guowen Zhang , Lei Zhang

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…

计算机视觉与模式识别 · 计算机科学 2023-07-03 Sayak Nag , Kyle Min , Subarna Tripathi , Amit K. Roy Chowdhury

Understanding traffic scenes requires considering heterogeneous information about dynamic agents and the static infrastructure. In this work we propose SCENE, a methodology to encode diverse traffic scenes in heterogeneous graphs and to…

计算机视觉与模式识别 · 计算机科学 2023-01-10 Thomas Monninger , Julian Schmidt , Jan Rupprecht , David Raba , Julian Jordan , Daniel Frank , Steffen Staab , Klaus Dietmayer

RGB-T semantic segmentation requires strictly aligned VIS-IR-Label triplets; however, such aligned triplet data are often scarce in real-world scenarios. Existing generative augmentation methods usually adopt cascaded generation paradigms,…

计算机视觉与模式识别 · 计算机科学 2026-05-15 Ping Zhou , Haoyu Wang , Mengmeng Zheng , Lei Zhang , Wei Wei , Chen Ding , Fei Zhou

Current Scene Graph Generation (SGG) methods tend to predict frequent predicate categories and fail to recognize rare ones due to the severe imbalanced distribution of predicates. To improve the robustness of SGG models on different…

计算机视觉与模式识别 · 计算机科学 2022-10-12 Xingchen Li , Long Chen , Jian Shao , Shaoning Xiao , Songyang Zhang , Jun Xiao

Scene Graph Generation (SGG) research has suffered from two fundamental challenges: the long-tailed predicate distribution and semantic ambiguity between predicates. These challenges lead to a bias towards head predicates in SGG models,…

计算机视觉与模式识别 · 计算机科学 2024-12-18 Kanghoon Yoon , Kibum Kim , Jaehyung Jeon , Yeonjun In , Donghyun Kim , Chanyoung Park

Scene graph generation (SGG) aims to understand the visual objects and their semantic relationships from one given image. Until now, lots of SGG datasets with the eyelevel view are released but the SGG dataset with the overhead view is…

计算机视觉与模式识别 · 计算机科学 2024-04-12 Yansheng Li , Kun Li , Yongjun Zhang , Linlin Wang , Dingwen Zhang

Query-based object detectors have made significant advancements since the publication of DETR. However, most existing methods still rely on multi-stage encoders and decoders, or a combination of both. Despite achieving high accuracy, the…

计算机视觉与模式识别 · 计算机科学 2023-09-29 Jialin Li , Weifu Fu , Yuhuan Lin , Qiang Nie , Yong Liu

Dynamic scene graph generation from a video is challenging due to the temporal dynamics of the scene and the inherent temporal fluctuations of predictions. We hypothesize that capturing long-term temporal dependencies is the key to…

计算机视觉与模式识别 · 计算机科学 2022-10-20 Shengyu Feng , Subarna Tripathi , Hesham Mostafa , Marcel Nassar , Somdeb Majumdar

Hypergraph, an expressive structure with flexibility to model the higher-order correlations among entities, has recently attracted increasing attention from various research domains. Despite the success of Graph Neural Networks (GNNs) for…

机器学习 · 计算机科学 2021-05-04 Jing Huang , Jie Yang

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,…

机器学习 · 计算机科学 2020-07-03 Marcel Hildebrandt , Hang Li , Rajat Koner , Volker Tresp , Stephan Günnemann

Open-vocabulary scene graph generation (SGG) aims to describe visual scenes with flexible relation phrases beyond a fixed predicate set. Existing methods usually treat annotated triplets as positives and all unannotated object-pair…

计算机视觉与模式识别 · 计算机科学 2026-05-27 Amir Hosseini , Sara Farahani , Xinyi Li , Suiyang Guang

Scene graphs are nodes and edges consisting of objects and object-object relationships, respectively. Scene graph generation (SGG) aims to identify the objects and their relationships. We propose a bidirectional GRU (BiGRU) transformer…

计算机视觉与模式识别 · 计算机科学 2021-09-14 Naina Dhingra , Florian Ritter , Andreas Kunz

We propose a novel scene graph generation model called Graph R-CNN, that is both effective and efficient at detecting objects and their relations in images. Our model contains a Relation Proposal Network (RePN) that efficiently deals with…

计算机视觉与模式识别 · 计算机科学 2018-08-02 Jianwei Yang , Jiasen Lu , Stefan Lee , Dhruv Batra , Devi Parikh

Visual Query Answering (VQA) is of great significance in offering people convenience: one can raise a question for details of objects, or high-level understanding about the scene, over an image. This paper proposes a novel method to address…

计算机视觉与模式识别 · 计算机科学 2019-03-19 Peixi Xiong , Huayi Zhan , Xin Wang , Baivab Sinha , Ying Wu

We introduce a framework for joint grounded scene graph - image generation, a challenging task involving high-dimensional, multi-modal structured data. To effectively model this complex joint distribution, we adopt a factorized approach:…

计算机视觉与模式识别 · 计算机科学 2025-08-05 Bicheng Xu , Qi Yan , Renjie Liao , Lele Wang , Leonid Sigal

Scene graph generation (SGG) aims to detect objects and predict their pairwise relationships within an image. Current SGG methods typically utilize graph neural networks (GNNs) to acquire context information between objects/relationships.…

计算机视觉与模式识别 · 计算机科学 2022-05-05 Xin Lin , Changxing Ding , Yibing Zhan , Zijian Li , Dacheng Tao

This work presents the introduction of UniSG^GA, a novel integrated scenegraph structure, that to incorporates behavior and geometry data on a 3D scene. It is specifically designed to seamlessly integrate Graph Neural Networks (GNNs) and…

Retrieval Augmented Generation (RAG) has gradually emerged as a promising paradigm for enhancing the accuracy and factual consistency of content generated by large language models (LLMs). However, existing RAG studies primarily focus on…

信息检索 · 计算机科学 2025-07-24 Qikai Wei , Huansheng Ning , Chunlong Han , Jianguo Ding