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Representing and understanding 3D environments in a structured manner is crucial for autonomous agents to navigate and reason about their surroundings. While traditional Simultaneous Localization and Mapping (SLAM) methods generate metric…

Robotics · Computer Science 2026-02-03 Albert Gassol Puigjaner , Angelos Zacharia , Kostas Alexis

Most deep learning approaches to comprehensive semantic modeling of 3D indoor spaces require costly dense annotations in the 3D domain. In this work, we explore a central 3D scene modeling task, namely, semantic scene reconstruction without…

Computer Vision and Pattern Recognition · Computer Science 2024-06-06 Junwen Huang , Alexey Artemov , Yujin Chen , Shuaifeng Zhi , Kai Xu , Matthias Nießner

In panoptic scene graph generation (PSGG), models retrieve interactions between objects in an image which are grounded by panoptic segmentation masks. Previous evaluations on panoptic scene graphs have been subject to an erroneous…

Computer Vision and Pattern Recognition · Computer Science 2024-07-15 Julian Lorenz , Alexander Pest , Daniel Kienzle , Katja Ludwig , Rainer Lienhart

Recent developments in 2D visual generation have been remarkably successful. However, 3D and 4D generation remain challenging in real-world applications due to the lack of large-scale 4D data and effective model design. In this paper, we…

Computer Vision and Pattern Recognition · Computer Science 2024-11-06 Yuyang Zhao , Chung-Ching Lin , Kevin Lin , Zhiwen Yan , Linjie Li , Zhengyuan Yang , Jianfeng Wang , Gim Hee Lee , Lijuan Wang

Scene graph is structured semantic representation that can be modeled as a form of graph from images and texts. Image-based scene graph generation research has been actively conducted until recently, whereas text-based scene graph…

Computer Vision and Pattern Recognition · Computer Science 2022-10-18 Woo Suk Choi , Yu-Jung Heo , Byoung-Tak Zhang

Capturing 4D spatiotemporal surroundings is crucial for the safe and reliable operation of robots in dynamic environments. However, most existing methods address only one side of the problem: they either provide coarse geometric tracking…

Computer Vision and Pattern Recognition · Computer Science 2026-02-27 Maximilian Luz , Rohit Mohan , Thomas Nürnberg , Yakov Miron , Daniele Cattaneo , Abhinav Valada

Object detection, scene graph generation and region captioning, which are three scene understanding tasks at different semantic levels, are tied together: scene graphs are generated on top of objects detected in an image with their pairwise…

Computer Vision and Pattern Recognition · Computer Science 2017-09-18 Yikang Li , Wanli Ouyang , Bolei Zhou , Kun Wang , Xiaogang Wang

Recognizing arbitrary or previously unseen categories is essential for comprehensive real-world 3D scene understanding. Currently, all existing methods rely on 2D or textual modalities during training or together at inference. This…

Computer Vision and Pattern Recognition · Computer Science 2025-06-04 Yue Li , Qi Ma , Runyi Yang , Huapeng Li , Mengjiao Ma , Bin Ren , Nikola Popovic , Nicu Sebe , Ender Konukoglu , Theo Gevers , Luc Van Gool , Martin R. Oswald , Danda Pani Paudel

Text-conditioned image generation has made significant progress in recent years with generative adversarial networks and more recently, diffusion models. While diffusion models conditioned on text prompts have produced impressive and…

Computer Vision and Pattern Recognition · Computer Science 2023-05-01 Azade Farshad , Yousef Yeganeh , Yu Chi , Chengzhi Shen , Björn Ommer , Nassir Navab

Despite recent advances in retrieval-augmented generation (RAG) for video understanding, effectively understanding long-form video content remains underexplored due to the vast scale and high complexity of video data. Current RAG approaches…

Computer Vision and Pattern Recognition · Computer Science 2025-06-10 Nianbo Zeng , Haowen Hou , Fei Richard Yu , Si Shi , Ying Tiffany He

Vision-and-language navigation (VLN) tasks require agents to navigate three-dimensional environments guided by natural language instructions, offering substantial potential for diverse applications. However, the scarcity of training data…

Computer Vision and Pattern Recognition · Computer Science 2025-03-14 Sen Wang , Dongliang Zhou , Liang Xie , Chao Xu , Ye Yan , Erwei Yin

Scene graphs (SGs) represent objects and their relationships as structured graphs, enabling applications in image generation, robotics, and 3D understanding. Recent work suggests that conditioning image generation on scene graphs improves…

Computer Vision and Pattern Recognition · Computer Science 2026-05-12 Rajalaxmi Rajagopalan , Romit Roy Choudhury

Driven by successes in deep learning, computer vision research has begun to move beyond object detection and image classification to more sophisticated tasks like image captioning or visual question answering. Motivating such endeavors is…

Computer Vision and Pattern Recognition · Computer Science 2018-02-09 Matthew Klawonn , Eric Heim

Scene graph generation (SGG) is a sophisticated task that suffers from both complex visual features and dataset long-tail problem. Recently, various unbiased strategies have been proposed by designing novel loss functions and data balancing…

Computer Vision and Pattern Recognition · Computer Science 2023-03-03 Xiaoguang Chang , Teng Wang , Shaowei Cai , Changyin Sun

We present OvSGTR, a novel transformer-based framework for fully open-vocabulary scene graph generation that overcomes the limitations of traditional closed-set models. Conventional methods restrict both object and relationship recognition…

Computer Vision and Pattern Recognition · Computer Science 2025-05-27 Zuyao Chen , Jinlin Wu , Zhen Lei , Chang Wen Chen

Referring image segmentation aims to predict the foreground mask of the object referred by a natural language sentence. Multimodal context of the sentence is crucial to distinguish the referent from the background. Existing methods either…

Computer Vision and Pattern Recognition · Computer Science 2020-10-06 Tianrui Hui , Si Liu , Shaofei Huang , Guanbin Li , Sansi Yu , Faxi Zhang , Jizhong Han

The unprecedented advancements in Large Language Models (LLMs) have profoundly impacted natural language processing but have yet to fully embrace the realm of scalable vector graphics (SVG) generation. While LLMs encode partial knowledge of…

Computer Vision and Pattern Recognition · Computer Science 2025-03-26 Ximing Xing , Juncheng Hu , Guotao Liang , Jing Zhang , Dong Xu , Qian Yu

Weakly-Supervised Scene Graph Generation (WSSGG) research has recently emerged as an alternative to the fully-supervised approach that heavily relies on costly annotations. In this regard, studies on WSSGG have utilized image captions to…

Computer Vision and Pattern Recognition · Computer Science 2024-07-30 Kibum Kim , Kanghoon Yoon , Jaehyeong Jeon , Yeonjun In , Jinyoung Moon , Donghyun Kim , Chanyoung Park

4D content generation has achieved remarkable progress recently. However, existing methods suffer from long optimization times, a lack of motion controllability, and a low quality of details. In this paper, we introduce DreamGaussian4D…

Computer Vision and Pattern Recognition · Computer Science 2024-06-11 Jiawei Ren , Liang Pan , Jiaxiang Tang , Chi Zhang , Ang Cao , Gang Zeng , Ziwei Liu

3D scene generation has garnered growing attention in recent years and has made significant progress. Generating 4D cities is more challenging than 3D scenes due to the presence of structurally complex, visually diverse objects like…

Computer Vision and Pattern Recognition · Computer Science 2025-09-03 Haozhe Xie , Zhaoxi Chen , Fangzhou Hong , Ziwei Liu