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Acquiring 3D geometry of real world objects has various applications in 3D digitization, such as navigation and content generation in virtual environments. Image remains one of the most popular media for such visual tasks due to its…

Computer Vision and Pattern Recognition · Computer Science 2017-01-26 Shuai Du , Youyi Zheng

We introduce the task of open-vocabulary 3D instance segmentation. Current approaches for 3D instance segmentation can typically only recognize object categories from a pre-defined closed set of classes that are annotated in the training…

Computer Vision and Pattern Recognition · Computer Science 2023-10-31 Ayça Takmaz , Elisabetta Fedele , Robert W. Sumner , Marc Pollefeys , Federico Tombari , Francis Engelmann

Many autonomous robotic applications require object-level understanding when deployed. Actively reconstructing objects of interest, i.e. objects with specific semantic meanings, is therefore relevant for a robot to perform downstream tasks…

Robotics · Computer Science 2024-03-19 Liren Jin , Haofei Kuang , Yue Pan , Cyrill Stachniss , Marija Popović

Reasoning segmentation aims to segment target objects in complex scenes based on human intent and spatial reasoning. While recent multimodal large language models (MLLMs) have demonstrated impressive 2D image reasoning segmentation,…

Computer Vision and Pattern Recognition · Computer Science 2025-11-11 Jiaxin Huang , Runnan Chen , Ziwen Li , Zhengqing Gao , Xiao He , Yandong Guo , Mingming Gong , Tongliang Liu

3D point clouds play a pivotal role in outdoor scene perception, especially in the context of autonomous driving. Recent advancements in 3D LiDAR segmentation often focus intensely on the spatial positioning and distribution of points for…

Computer Vision and Pattern Recognition · Computer Science 2024-11-05 Li Li , Hubert P. H. Shum , Toby P. Breckon

Representation learning from 3D point clouds is challenging due to their inherent nature of permutation invariance and irregular distribution in space. Existing deep learning methods follow a hierarchical feature extraction paradigm in…

Computer Vision and Pattern Recognition · Computer Science 2020-11-03 Rahul Chakwate , Arulkumar Subramaniam , Anurag Mittal

We propose a mechanism to reconstruct part annotated 3D point clouds of objects given just a single input image. We demonstrate that jointly training for both reconstruction and segmentation leads to improved performance in both the tasks,…

Computer Vision and Pattern Recognition · Computer Science 2018-10-02 Priyanka Mandikal , Navaneet K L , R. Venkatesh Babu

Although semi-dense Simultaneous Localization and Mapping (SLAM) has been becoming more popular over the last few years, there is a lack of efficient methods for representing and processing their large scale point clouds. In this paper, we…

Computer Vision and Pattern Recognition · Computer Science 2018-04-30 Shida He , Xuebin Qin , Zichen Zhang , Martin Jagersand

Semantic 3D mapping is one of the most important fields in robotics, and has been used in many applications, such as robot navigation, surveillance, and virtual reality. In general, semantic 3D mapping is mainly composed of 3D…

Robotics · Computer Science 2018-03-01 Jongmin Jeong , Tae Sung Yoon , Jin Bae Park

Although perception systems have made remarkable advancements in recent years, particularly in 2D reasoning segmentation, these systems still rely on explicit human instruction or pre-defined categories to identify target objects before…

Computer Vision and Pattern Recognition · Computer Science 2025-06-06 Kunshen Zhang

We present Pow3r, a novel large 3D vision regression model that is highly versatile in the input modalities it accepts. Unlike previous feed-forward models that lack any mechanism to exploit known camera or scene priors at test time, Pow3r…

Computer Vision and Pattern Recognition · Computer Science 2025-03-24 Wonbong Jang , Philippe Weinzaepfel , Vincent Leroy , Lourdes Agapito , Jerome Revaud

The choice of data representation is a key factor in the success of deep learning in geometric tasks. For instance, DUSt3R recently introduced the concept of viewpoint-invariant point maps, generalizing depth prediction and showing that all…

Computer Vision and Pattern Recognition · Computer Science 2025-08-15 Ben Kaye , Tomas Jakab , Shangzhe Wu , Christian Rupprecht , Andrea Vedaldi

3D object detection using LiDAR data is an indispensable component for autonomous driving systems. Yet, only a few LiDAR-based 3D object detection methods leverage segmentation information to further guide the detection process. In this…

Computer Vision and Pattern Recognition · Computer Science 2022-03-07 Hamidreza Fazlali , Yixuan Xu , Yuan Ren , Bingbing Liu

Recognizing the sounding objects in scenes is a longstanding objective in embodied AI, with diverse applications in robotics and AR/VR/MR. To that end, Audio-Visual Segmentation (AVS), taking as condition an audio signal to identify the…

Computer Vision and Pattern Recognition · Computer Science 2025-10-22 Artem Sokolov , Swapnil Bhosale , Xiatian Zhu

Current popular backbones in computer vision, such as Vision Transformers (ViT) and ResNets are trained to perceive the world from 2D images. However, to more effectively understand 3D structural priors in 2D backbones, we propose Mask3D to…

Computer Vision and Pattern Recognition · Computer Science 2023-03-01 Ji Hou , Xiaoliang Dai , Zijian He , Angela Dai , Matthias Nießner

The application of monocular dense Simultaneous Localization and Mapping (SLAM) is often hindered by high latency, large GPU memory consumption, and reliance on camera calibration. To relax this constraint, we propose EC3R-SLAM, a novel…

Robotics · Computer Science 2025-10-03 Lingxiang Hu , Naima Ait Oufroukh , Fabien Bonardi , Raymond Ghandour

This paper is a technical report about our submission for the ECCV 2018 3DRMS Workshop Challenge on Semantic 3D Reconstruction \cite{Tylecek2018rms}. In this paper, we address 3D semantic reconstruction for autonomous navigation using…

Computer Vision and Pattern Recognition · Computer Science 2019-11-05 Marcela Carvalho , Maxime Ferrera , Alexandre Boulch , Julien Moras , Bertrand Le Saux , Pauline Trouvé-Peloux

Contemporary point cloud segmentation approaches largely rely on richly annotated 3D training data. However, it is both time-consuming and challenging to obtain consistently accurate annotations for such 3D scene data. Moreover, there is…

Computer Vision and Pattern Recognition · Computer Science 2023-11-13 Jiaxu Liu , Zhengdi Yu , Toby P. Breckon , Hubert P. H. Shum

Semantic segmentation and 3D reconstruction are two fundamental tasks in remote sensing, typically treated as separate or loosely coupled tasks. Despite attempts to integrate them into a unified network, the constraints between the two…

Computer Vision and Pattern Recognition · Computer Science 2024-12-18 Chen Chen , Liangjin Zhao , Yuanchun He , Yingxuan Long , Kaiqiang Chen , Zhirui Wang , Yanfeng Hu , Xian Sun

Interactive 3D scenes are increasingly vital for embodied intelligence, yet existing datasets remain limited due to the labor-intensive process of annotating part segmentation, kinematic types, and motion trajectories. We present REACT3D, a…

Computer Vision and Pattern Recognition · Computer Science 2026-04-13 Zhao Huang , Boyang Sun , Alexandros Delitzas , Jiaqi Chen , Marc Pollefeys