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Understanding open-world semantics is critical for robotic planning and control, particularly in unstructured outdoor environments. Existing vision-language mapping approaches typically rely on object-centric segmentation priors, which…

Robotics · Computer Science 2025-09-23 Simon Schwaiger , Stefan Thalhammer , Wilfried Wöber , Gerald Steinbauer-Wagner

To manipulate objects in novel, unstructured environments, robots need task-oriented grasps that target object parts based on the given task. Geometry-based methods often struggle with visually defined parts, occlusions, and unseen objects.…

Robotics · Computer Science 2025-11-27 Edmond Tong , Advaith Balaji , Anthony Opipari , Stanley Lewis , Zhen Zeng , Odest Chadwicke Jenkins

Multi-agent distributed collaborative mapping provides comprehensive and efficient representations for robots. However, existing approaches lack instance-level awareness and semantic understanding of environments, limiting their…

Robotics · Computer Science 2025-09-03 Jianyu Dou , Yinan Deng , Jiahui Wang , Xingsi Tang , Yi Yang , Yufeng Yue

3D object detection plays a crucial role in autonomous systems, yet existing methods are limited by closed-set assumptions and struggle to recognize novel objects and their attributes in real-world scenarios. We propose OVODA, a novel…

Computer Vision and Pattern Recognition · Computer Science 2025-08-26 Xinhao Xiang , Kuan-Chuan Peng , Suhas Lohit , Michael J. Jones , Jiawei Zhang

Locating and retrieving objects from scene-level point clouds is a challenging problem with broad applications in robotics and augmented reality. This task is commonly formulated as open-vocabulary 3D instance segmentation. Although recent…

Computer Vision and Pattern Recognition · Computer Science 2025-12-23 Khanh Nguyen , Dasith de Silva Edirimuni , Ghulam Mubashar Hassan , Ajmal Mian

Open-vocabulary 3D object detection for autonomous driving aims to detect novel objects beyond the predefined training label sets in point cloud scenes. Existing approaches achieve this by connecting traditional 3D object detectors with…

Computer Vision and Pattern Recognition · Computer Science 2025-03-11 Adrian Chow , Evelien Riddell , Yimu Wang , Sean Sedwards , Krzysztof Czarnecki

Semantic segmentation in videos has been a focal point of recent research. However, existing models encounter challenges when faced with unfamiliar categories. To address this, we introduce the Open Vocabulary Video Semantic Segmentation…

Multimedia · Computer Science 2024-12-13 Xinhao Li , Yun Liu , Guolei Sun , Min Wu , Le Zhang , Ce Zhu

Service robots operating in unstructured environments must effectively recognize and segment unknown objects to enhance their functionality. Traditional supervised learningbased segmentation techniques require extensive annotated datasets,…

Computer Vision and Pattern Recognition · Computer Science 2025-02-06 Ying Zhang , Maoliang Yin , Wenfu Bi , Haibao Yan , Shaohan Bian , Cui-Hua Zhang , Changchun Hua

This article introduces a novel method for converting 3D voxel maps, commonly utilized by robots for localization and navigation, into 2D occupancy maps for both unmanned aerial vehicles (UAVs) and unmanned ground vehicles (UGVs). The…

Robotics · Computer Science 2024-07-23 Scott Fredriksson , Akshit Saradagi , George Nikolakopoulos

3D Gaussian Splatting (3DGS) has emerged as a powerful representation for neural scene reconstruction, offering high-quality novel view synthesis while maintaining computational efficiency. In this paper, we extend the capabilities of 3DGS…

Computer Vision and Pattern Recognition · Computer Science 2025-06-10 Jens Piekenbrinck , Christian Schmidt , Alexander Hermans , Narunas Vaskevicius , Timm Linder , Bastian Leibe

Mapping is crucial for spatial reasoning, planning and robot navigation. Existing approaches range from metric, which require precise geometry-based optimization, to purely topological, where image-as-node based graphs lack explicit…

Robotics · Computer Science 2024-05-10 Sourav Garg , Krishan Rana , Mehdi Hosseinzadeh , Lachlan Mares , Niko Sünderhauf , Feras Dayoub , Ian Reid

Panoptic reconstruction is a challenging task in 3D scene understanding. However, most existing methods heavily rely on pre-trained semantic segmentation models and known 3D object bounding boxes for 3D panoptic segmentation, which is not…

Computer Vision and Pattern Recognition · Computer Science 2024-07-02 Xuan Yu , Yili Liu , Chenrui Han , Sitong Mao , Shunbo Zhou , Rong Xiong , Yiyi Liao , Yue Wang

Panoramic images, capturing a 360{\deg} field of view (FoV), encompass omnidirectional spatial information crucial for scene understanding. However, it is not only costly to obtain training-sufficient dense-annotated panoramas but also…

Computer Vision and Pattern Recognition · Computer Science 2024-07-15 Junwei Zheng , Ruiping Liu , Yufan Chen , Kunyu Peng , Chengzhi Wu , Kailun Yang , Jiaming Zhang , Rainer Stiefelhagen

This paper presents a new method for the zero-shot open-vocabulary semantic segmentation (OVSS) of 3D automotive lidar data. To circumvent the recognized image-text modality gap that is intrinsic to approaches based on Vision Language…

Computer Vision and Pattern Recognition · Computer Science 2026-04-03 Nermin Samet , Gilles Puy , Renaud Marlet

Open-Vocabulary Segmentation (OVS) methods offer promising capabilities in detecting unseen object categories, but the category must be known and needs to be provided by a human, either via a text prompt or pre-labeled datasets, thus…

Computer Vision and Pattern Recognition · Computer Science 2025-04-01 Weijie Wei , Osman Ülger , Fatemeh Karimi Nejadasl , Theo Gevers , Martin R. Oswald

Most recent 3D instance segmentation methods are open vocabulary, offering a greater flexibility than closed-vocabulary methods. Yet, they are limited to reasoning within a specific set of concepts, \ie the vocabulary, prompted by the user…

Computer Vision and Pattern Recognition · Computer Science 2025-03-31 Guofeng Mei , Luigi Riz , Yiming Wang , Fabio Poiesi

Mapping and understanding complex 3D environments is fundamental to how autonomous systems perceive and interact with the physical world, requiring both precise geometric reconstruction and rich semantic comprehension. While existing 3D…

Computer Vision and Pattern Recognition · Computer Science 2025-05-22 Naman Patel , Prashanth Krishnamurthy , Farshad Khorrami

Zero-shot object navigation (ZSON) allows robots to find target objects in unfamiliar environments using natural language instructions, without relying on pre-built maps or task-specific training. Recent general-purpose models, such as…

Robotics · Computer Science 2025-06-10 Zibo Zhou , Yue Hu , Lingkai Zhang , Zonglin Li , Siheng Chen

Open-vocabulary detection (OVD) aims to detect novel objects without instance-level annotations to achieve open-world object detection at a lower cost. Existing OVD methods mainly rely on the powerful open-vocabulary image-text alignment…

Computer Vision and Pattern Recognition · Computer Science 2024-10-10 Zishuo Wang , Wenhao Zhou , Jinglin Xu , Yuxin Peng

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