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When performing localization and mapping, working at the level of structure can be advantageous in terms of robustness to environmental changes and differences in illumination. This paper presents SegMap: a map representation solution to…

Robotics · Computer Science 2019-01-16 Renaud Dubé , Andrei Cramariuc , Daniel Dugas , Juan Nieto , Roland Siegwart , Cesar Cadena

Classification and segmentation of 3D point clouds are important tasks in computer vision. Because of the irregular nature of point clouds, most of the existing methods convert point clouds into regular 3D voxel grids before they are used…

Computer Vision and Pattern Recognition · Computer Science 2018-12-05 Wei Zeng , Theo Gevers

Point cloud segmentation and classification are some of the primary tasks in 3D computer vision with applications ranging from augmented reality to robotics. However, processing point clouds using deep learning-based algorithms is quite…

Computer Vision and Pattern Recognition · Computer Science 2022-11-22 Aadesh Desai , Saagar Parikh , Seema Kumari , Shanmuganathan Raman

Deep learning techniques have become the to-go models for most vision-related tasks on 2D images. However, their power has not been fully realised on several tasks in 3D space, e.g., 3D scene understanding. In this work, we jointly address…

Computer Vision and Pattern Recognition · Computer Science 2019-04-08 Quang-Hieu Pham , Duc Thanh Nguyen , Binh-Son Hua , Gemma Roig , Sai-Kit Yeung

Contemporary deep neural networks offer state-of-the-art results when applied to visual reasoning, e.g., in the context of 3D point cloud data. Point clouds are important datatype for precise modeling of three-dimensional environments, but…

Machine Learning · Computer Science 2022-05-23 Maciej Zamorski , Michał Stypułkowski , Konrad Karanowski , Tomasz Trzciński , Maciej Zięba

Segmentation of structural parts of 3D models of plants is an important step for plant phenotyping, especially for monitoring architectural and morphological traits. Current state-of-the art approaches rely on hand-crafted 3D local features…

Computer Vision and Pattern Recognition · Computer Science 2022-02-24 Kaya Turgut , Helin Dutagaci , Gilles Galopin , David Rousseau

Generating realistic 3D point clouds is a fundamental problem in computer vision with applications in remote sensing, robotics, and digital object modeling. Existing generative approaches primarily capture geometry, and when semantics are…

Computer Vision and Pattern Recognition · Computer Science 2025-09-23 Gunner Stone , Sushmita Sarker , Alireza Tavakkoli

3D semantic scene labeling is a fundamental task for Autonomous Driving. Recent work shows the capability of Deep Neural Networks in labeling 3D point sets provided by sensors like LiDAR, and Radar. Imbalanced distribution of classes in the…

Computer Vision and Pattern Recognition · Computer Science 2019-06-27 Mohammed Abdou , Mahmoud Elkhateeb , Ibrahim Sobh , Ahmad Elsallab

In this paper, we propose PASS3D to achieve point-wise semantic segmentation for 3D point cloud. Our framework combines the efficiency of traditional geometric methods with robustness of deep learning methods, consisting of two stages: At…

Computer Vision and Pattern Recognition · Computer Science 2020-08-27 Xin Kong , Guangyao Zhai , Baoquan Zhong , Yong Liu

Point cloud segmentation is crucial for robotic visual perception and environmental understanding, enabling applications such as robotic navigation and 3D reconstruction. However, handling the sparse and unordered nature of point cloud data…

Computer Vision and Pattern Recognition · Computer Science 2024-07-18 Tao Wang , Wei Wen , Jingzhi Zhai , Kang Xu , Haoming Luo

Although the use of remote sensing technologies for monitoring forested environments has gained increasing attention, publicly available point cloud datasets remain scarce due to the high costs, sensor requirements, and time-intensive…

Computer Vision and Pattern Recognition · Computer Science 2025-05-19 Francisco Raverta Capua , Pablo De Cristoforis

Point cloud learning has lately attracted increasing attention due to its wide applications in many areas, such as computer vision, autonomous driving, and robotics. As a dominating technique in AI, deep learning has been successfully used…

Computer Vision and Pattern Recognition · Computer Science 2020-06-24 Yulan Guo , Hanyun Wang , Qingyong Hu , Hao Liu , Li Liu , Mohammed Bennamoun

Semantic segmentation has emerged as a pivotal area of study in computer vision, offering profound implications for scene understanding and elevating human-machine interactions across various domains. While 2D semantic segmentation has…

Computer Vision and Pattern Recognition · Computer Science 2024-07-24 Aditya Krishnan , Jayneel Vora , Prasant Mohapatra

3D point cloud segmentation aims to assign semantic labels to individual points in a scene for fine-grained spatial understanding. Existing methods typically adopt data augmentation to alleviate the burden of large-scale annotation.…

Computer Vision and Pattern Recognition · Computer Science 2025-07-31 Hongbin Lin , Yifan Jiang , Juangui Xu , Jesse Jiaxi Xu , Yi Lu , Zhengyu Hu , Ying-Cong Chen , Hao Wang

How to learn long-range dependencies from 3D point clouds is a challenging problem in 3D point cloud analysis. Addressing this problem, we propose a global attention network for point cloud semantic segmentation, named as GA-Net, consisting…

Computer Vision and Pattern Recognition · Computer Science 2021-07-08 Shuang Deng , Qiulei Dong

Point cloud completion is essential for robust 3D perception in safety-critical applications such as robotics and augmented reality. However, existing models perform static inference and rely heavily on inductive biases learned during…

Computer Vision and Pattern Recognition · Computer Science 2025-10-14 Linlian Jiang , Rui Ma , Li Gu , Ziqiang Wang , Xinxin Zuo , Yang Wang

Precise segmentation of architectural structures provides detailed information about various building components, enhancing our understanding and interaction with our built environment. Nevertheless, existing outdoor 3D point cloud datasets…

Computer Vision and Pattern Recognition · Computer Science 2024-06-04 Ka Lung Cheung , Chi Chung Lee

Deep-learning models for 3D point cloud semantic segmentation exhibit limited generalization capabilities when trained and tested on data captured with different sensors or in varying environments due to domain shift. Domain adaptation…

Computer Vision and Pattern Recognition · Computer Science 2023-08-30 Cristiano Saltori , Fabio Galasso , Giuseppe Fiameni , Nicu Sebe , Fabio Poiesi , Elisa Ricci

When classifying point clouds, a large amount of time is devoted to the process of engineering a reliable set of features which are then passed to a classifier of choice. Generally, such features - usually derived from the 3D-covariance…

Computer Vision and Pattern Recognition · Computer Science 2020-05-22 Mohammed Yousefhussien , David J. Kelbe , Emmett J. Ientilucci , Carl Salvaggio

3D semantic segmentation is a critical task in many real-world applications, such as autonomous driving, robotics, and mixed reality. However, the task is extremely challenging due to ambiguities coming from the unstructured, sparse, and…

Computer Vision and Pattern Recognition · Computer Science 2023-04-07 Adriano Cardace , Pierluigi Zama Ramirez , Samuele Salti , Luigi Di Stefano