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Related papers: OE3DIS: Open-Ended 3D Point Cloud Instance Segment…

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We tackle open-vocabulary 3D scene understanding by introducing a novel data generation pipeline and training framework. Our method addresses three critical requirements for effective training: precise 3D region segmentation, comprehensive…

Computer Vision and Pattern Recognition · Computer Science 2025-04-16 Junha Lee , Chunghyun Park , Jaesung Choe , Yu-Chiang Frank Wang , Jan Kautz , Minsu Cho , Chris Choy

A unified neural network structure is presented for joint 3D object detection and point cloud segmentation in this paper. We leverage rich supervision from both detection and segmentation labels rather than using just one of them. In…

Computer Vision and Pattern Recognition · Computer Science 2021-11-16 Yuanxin Zhong , Minghan Zhu , Huei Peng

3D instance segmentation, with a variety of applications in robotics and augmented reality, is in large demands these days. Unlike 2D images that are projective observations of the environment, 3D models provide metric reconstruction of the…

Computer Vision and Pattern Recognition · Computer Science 2020-04-29 Lei Han , Tian Zheng , Lan Xu , Lu Fang

Current approaches for 3D scene graph prediction rely on labeled datasets to train models for a fixed set of known object classes and relationship categories. We present Open3DSG, an alternative approach to learn 3D scene graph prediction…

Computer Vision and Pattern Recognition · Computer Science 2024-04-02 Sebastian Koch , Narunas Vaskevicius , Mirco Colosi , Pedro Hermosilla , Timo Ropinski

Recent advancements in 3D object detection and novel category detection have made significant progress, yet research on learning generalized 3D objectness remains insufficient. In this paper, we delve into learning open-world 3D objectness,…

Computer Vision and Pattern Recognition · Computer Science 2025-10-21 Taichi Liu , Zhenyu Wang , Ruofeng Liu , Guang Wang , Desheng Zhang

Most existing underwater instance segmentation approaches are constrained by close-vocabulary prediction, limiting their ability to recognize novel marine categories. To support evaluation, we introduce \textbf{MARIS} (\underline{Mar}ine…

Computer Vision and Pattern Recognition · Computer Science 2026-03-18 Bingyu Li , Feiyu Wang , Da Zhang , Zhiyuan Zhao , Junyu Gao , Xuelong Li

3D semantic segmentation (3DSS) is an essential process in the creation of a safe autonomous driving system. However, deep learning models for 3D semantic segmentation often suffer from the class imbalance problem and out-of-distribution…

Computer Vision and Pattern Recognition · Computer Science 2022-03-02 Yancheng Pan , Fan Xie , Huijing Zhao

The increasing demand for controllable outputs in text-to-image generation has spurred advancements in multi-instance generation (MIG), allowing users to define both instance layouts and attributes. However, unlike image-conditional…

Computer Vision and Pattern Recognition · Computer Science 2025-12-03 Dewei Zhou , Ji Xie , Zongxin Yang , Yi Yang

Open-vocabulary semantic segmentation (OVSS) aims to segment and recognize objects universally. Trained on extensive high-quality segmentation data, the segment anything model (SAM) has demonstrated remarkable universal segmentation…

Computer Vision and Pattern Recognition · Computer Science 2025-11-26 Lin Chen , Yingjian Zhu , Qi Yang , Xin Niu , Kun Ding , Shiming Xiang

Current methods for 3D semantic segmentation propose training models with limited annotations to address the difficulty of annotating large, irregular, and unordered 3D point cloud data. They usually focus on the 3D domain only, without…

Computer Vision and Pattern Recognition · Computer Science 2025-08-28 Lechun You , Zhonghua Wu , Weide Liu , Xulei Yang , Jun Cheng , Wei Zhou , Bharadwaj Veeravalli , Guosheng Lin

Image segmentation beyond predefined categories is a key challenge in remote sensing, where novel and unseen classes often emerge during inference. Open-vocabulary image Segmentation addresses these generalization issues in traditional…

Computer Vision and Pattern Recognition · Computer Science 2025-04-15 Saikat Dutta , Akhil Vasim , Siddhant Gole , Hamid Rezatofighi , Biplab Banerjee

This paper introduces OpenGaussian, a method based on 3D Gaussian Splatting (3DGS) capable of 3D point-level open vocabulary understanding. Our primary motivation stems from observing that existing 3DGS-based open vocabulary methods mainly…

Computer Vision and Pattern Recognition · Computer Science 2024-12-09 Yanmin Wu , Jiarui Meng , Haijie Li , Chenming Wu , Yahao Shi , Xinhua Cheng , Chen Zhao , Haocheng Feng , Errui Ding , Jingdong Wang , Jian Zhang

In this paper, we address the challenge of performing open-vocabulary video instance segmentation (OV-VIS) in real-time. We analyze the computational bottlenecks of state-of-the-art foundation models that performs OV-VIS, and propose a new…

Computer Vision and Pattern Recognition · Computer Science 2024-12-06 Bin Yan , Martin Sundermeyer , David Joseph Tan , Huchuan Lu , Federico Tombari

3D multi-object tracking plays a critical role in autonomous driving by enabling the real-time monitoring and prediction of multiple objects' movements. Traditional 3D tracking systems are typically constrained by predefined object…

Computer Vision and Pattern Recognition · Computer Science 2025-02-28 Ayesha Ishaq , Mohamed El Amine Boudjoghra , Jean Lahoud , Fahad Shahbaz Khan , Salman Khan , Hisham Cholakkal , Rao Muhammad Anwer

In the domain of the U.S. Army modeling and simulation, the availability of high quality annotated 3D data is pivotal to creating virtual environments for training and simulations. Traditional methodologies for 3D semantic and instance…

Computer Vision and Pattern Recognition · Computer Science 2024-12-19 Jiuyi Xu , Meida Chen , Andrew Feng , Zifan Yu , Yangming Shi

We propose SegVec3D, a novel framework for 3D point cloud instance segmentation that integrates attention mechanisms, embedding learning, and cross-modal alignment. The approach builds a hierarchical feature extractor to enhance geometric…

Computer Vision and Pattern Recognition · Computer Science 2025-07-15 Zhihan Kang , Boyu Wang

Video instance segmentation requires classifying, segmenting, and tracking every object across video frames. Unlike existing approaches that rely on masks, boxes, or category labels, we propose UVIS, a novel Unsupervised Video Instance…

Computer Vision and Pattern Recognition · Computer Science 2024-06-12 Shuaiyi Huang , Saksham Suri , Kamal Gupta , Sai Saketh Rambhatla , Ser-nam Lim , Abhinav Shrivastava

Open-vocabulary remote sensing image segmentation (OVRSIS) remains underexplored due to fragmented datasets, limited training diversity, and the lack of evaluation benchmarks that reflect realistic geospatial application demands. Our…

Computer Vision and Pattern Recognition · Computer Science 2026-04-20 Bingyu Li , Tao Huo , Haocheng Dong , Da Zhang , Zhiyuan Zhao , Junyu Gao , Xuelong Li

Open-vocabulary scene understanding using 3D Gaussian (3DGS) representations has garnered considerable attention. However, existing methods mostly lift knowledge from large 2D vision models into 3DGS on a scene-by-scene basis, restricting…

Computer Vision and Pattern Recognition · Computer Science 2025-01-03 Runnan Chen , Xiangyu Sun , Zhaoqing Wang , Youquan Liu , Jiepeng Wang , Lingdong Kong , Jiankang Deng , Mingming Gong , Liang Pan , Wenping Wang , Tongliang Liu

Dense captioning in 3D point clouds is an emerging vision-and-language task involving object-level 3D scene understanding. Apart from coarse semantic class prediction and bounding box regression as in traditional 3D object detection, 3D…

Computer Vision and Pattern Recognition · Computer Science 2022-04-25 Heng Wang , Chaoyi Zhang , Jianhui Yu , Weidong Cai
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