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Related papers: OpenScene: 3D Scene Understanding with Open Vocabu…

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Leveraging class semantic descriptions and examples of known objects, zero-shot learning makes it possible to train a recognition model for an object class whose examples are not available. In this paper, we propose a novel zero-shot…

Computer Vision and Pattern Recognition · Computer Science 2017-08-22 Soravit Changpinyo , Wei-Lun Chao , Fei Sha

Vision-Language Models (VLMs) have shown significant progress in open-set challenges. However, the limited availability of 3D datasets hinders their effective application in 3D scene understanding. We propose LOC, a general language-guided…

Computer Vision and Pattern Recognition · Computer Science 2025-10-28 Yuhang Gao , Xiang Xiang , Sheng Zhong , Guoyou Wang

Open-vocabulary 3D scene understanding is indispensable for embodied agents. Recent works leverage pretrained vision-language models (VLMs) for object segmentation and project them to point clouds to build 3D maps. Despite progress, a point…

Computer Vision and Pattern Recognition · Computer Science 2026-03-18 Zhigang Wang , Yifei Su , Chenhui Li , Dong Wang , Yan Huang , Bin Zhao , Xuelong Li

Zero-shot scene understanding in real-world settings presents major challenges due to the complexity and variability of natural scenes, where models must recognize new objects, actions, and contexts without prior labeled examples. This work…

Computer Vision and Pattern Recognition · Computer Science 2025-10-30 Manjunath Prasad Holenarasipura Rajiv , B. M. Vidyavathi

Scene understanding has been of high interest in computer vision. It encompasses not only identifying objects in a scene, but also their relationships within the given context. With this goal, a recent line of works tackles 3D semantic…

Computer Vision and Pattern Recognition · Computer Science 2020-04-09 Johanna Wald , Helisa Dhamo , Nassir Navab , Federico Tombari

Autonomous vision applications in production, intralogistics, or manufacturing environments require perception capabilities beyond a small, fixed set of classes. Recent open-vocabulary methods, leveraging 2D Vision-Language Foundation…

Computer Vision and Pattern Recognition · Computer Science 2026-02-24 Keno Moenck , Adrian Philip Florea , Julian Koch , Thorsten Schüppstuhl

Zero-shot learning on 3D point cloud data is a related underexplored problem compared to its 2D image counterpart. 3D data brings new challenges for ZSL due to the unavailability of robust pre-trained feature extraction models. To address…

Computer Vision and Pattern Recognition · Computer Science 2022-09-30 Majid Nasiri , Ali Cheraghian , Townim Faisal Chowdhury , Sahar Ahmadi , Morteza Saberi , Shafin Rahman

3D instance segmentation is fundamental to geometric understanding of the world around us. Existing methods for instance segmentation of 3D scenes rely on supervision from expensive, manual 3D annotations. We propose UnScene3D, the first…

Computer Vision and Pattern Recognition · Computer Science 2024-05-01 David Rozenberszki , Or Litany , Angela Dai

3D scene reconstruction and understanding have gained increasing popularity, yet existing methods still struggle to capture fine-grained, language-aware 3D representations from 2D images. In this paper, we present GALA, a novel framework…

Computer Vision and Pattern Recognition · Computer Science 2025-08-22 Elena Alegret , Kunyi Li , Sen Wang , Siyun Liang , Michael Niemeyer , Stefano Gasperini , Nassir Navab , Federico Tombari

The rapid progress in 3D scene understanding has come with growing demand for data; however, collecting and annotating 3D scenes (e.g. point clouds) are notoriously hard. For example, the number of scenes (e.g. indoor rooms) that can be…

Computer Vision and Pattern Recognition · Computer Science 2021-06-29 Ji Hou , Benjamin Graham , Matthias Nießner , Saining Xie

3D object detection is fundamental for spatial understanding. Real-world environments demand models capable of recognizing diverse, previously unseen objects, which remains a major limitation of closed-set methods. Existing open-vocabulary…

Computer Vision and Pattern Recognition · Computer Science 2025-11-26 Andrey Lemeshko , Bulat Gabdullin , Nikita Drozdov , Anton Konushin , Danila Rukhovich , Maksim Kolodiazhnyi

Training models to apply linguistic knowledge and visual concepts from 2D images to 3D world understanding is a promising direction that researchers have only recently started to explore. In this work, we design a novel 3D pre-training…

Computer Vision and Pattern Recognition · Computer Science 2023-04-14 Maria Parelli , Alexandros Delitzas , Nikolas Hars , Georgios Vlassis , Sotirios Anagnostidis , Gregor Bachmann , Thomas Hofmann

The emergence of CLIP has opened the way for open-world image perception. The zero-shot classification capabilities of the model are impressive but are harder to use for dense tasks such as image segmentation. Several methods have proposed…

Computer Vision and Pattern Recognition · Computer Science 2023-11-29 Monika Wysoczańska , Michaël Ramamonjisoa , Tomasz Trzciński , Oriane Siméoni

Enabling agents to understand and interact with complex 3D scenes is a fundamental challenge for embodied artificial intelligence systems. While Multimodal Large Language Models (MLLMs) have achieved significant progress in 2D image…

Computer Vision and Pattern Recognition · Computer Science 2025-09-23 Haoyuan Li , Rui Liu , Hehe Fan , Yi Yang

3D Semantic Scene Completion (SSC) provides comprehensive scene geometry and semantics for autonomous driving perception, which is crucial for enabling accurate and reliable decision-making. However, existing SSC methods are limited to…

Computer Vision and Pattern Recognition · Computer Science 2025-11-11 Meng Wang , Fan Wu , Ruihui Li , Yunchuan Qin , Zhuo Tang , Kenli Li

This report provides an overview of the challenge hosted at the OpenSUN3D Workshop on Open-Vocabulary 3D Scene Understanding held in conjunction with ICCV 2023. The goal of this workshop series is to provide a platform for exploration and…

Recognising in what type of environment one is located is an important perception task. For instance, for a robot operating in indoors it is helpful to be aware whether it is in a kitchen, a hallway or a bedroom. Existing approaches attempt…

Computer Vision and Pattern Recognition · Computer Science 2020-07-06 Shengyu Huang , Mikhail Usvyatsov , Konrad Schindler

Humans can naturally identify and mentally complete occluded objects in cluttered environments. However, imparting similar cognitive ability to robotics remains challenging even with advanced reconstruction techniques, which models scenes…

Computer Vision and Pattern Recognition · Computer Science 2025-07-22 Zesong Yang , Bangbang Yang , Wenqi Dong , Chenxuan Cao , Liyuan Cui , Yuewen Ma , Zhaopeng Cui , Hujun Bao

In this work, we introduce OpenIns3D, a new 3D-input-only framework for 3D open-vocabulary scene understanding. The OpenIns3D framework employs a "Mask-Snap-Lookup" scheme. The "Mask" module learns class-agnostic mask proposals in 3D point…

Computer Vision and Pattern Recognition · Computer Science 2024-08-13 Zhening Huang , Xiaoyang Wu , Xi Chen , Hengshuang Zhao , Lei Zhu , Joan Lasenby

Advancements in 3D instance segmentation have traditionally been tethered to the availability of annotated datasets, limiting their application to a narrow spectrum of object categories. Recent efforts have sought to harness vision-language…

Computer Vision and Pattern Recognition · Computer Science 2024-03-26 Yingda Yin , Yuzheng Liu , Yang Xiao , Daniel Cohen-Or , Jingwei Huang , Baoquan Chen