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Scene understanding of high resolution aerial images is of great importance for the task of automated monitoring in various remote sensing applications. Due to the large within-class and small between-class variance in pixel values of…

计算机视觉与模式识别 · 计算机科学 2020-02-28 Foivos I. Diakogiannis , François Waldner , Peter Caccetta , Chen Wu

RGB-D cameras supply rich and dense visual and spatial information for various robotics tasks such as scene understanding, map reconstruction, and localization. Integrating depth and visual information can aid robots in localization and…

计算机视觉与模式识别 · 计算机科学 2024-09-11 Ali Tourani , Saad Ejaz , Hriday Bavle , Jose Luis Sanchez-Lopez , Holger Voos

As a fundamental task in computer vision, semantic segmentation is widely applied in fields such as autonomous driving, remote sensing image analysis, and medical image processing. In recent years, Transformer-based segmentation methods…

计算机视觉与模式识别 · 计算机科学 2025-03-31 Tai An , Weiqiang Huang , Da Xu , Qingyuan He , Jiacheng Hu , Yujia Lou

Understanding the complex urban infrastructure with centimeter-level accuracy is essential for many applications from autonomous driving to mapping, infrastructure monitoring, and urban management. Aerial images provide valuable information…

计算机视觉与模式识别 · 计算机科学 2020-07-14 Seyed Majid Azimi , Corentin Henry , Lars Sommer , Arne Schumann , Eleonora Vig

Semantic segmentation of 3D point clouds is a challenging problem with numerous real-world applications. While deep learning has revolutionized the field of image semantic segmentation, its impact on point cloud data has been limited so…

计算机视觉与模式识别 · 计算机科学 2017-05-10 Felix Järemo Lawin , Martin Danelljan , Patrik Tosteberg , Goutam Bhat , Fahad Shahbaz Khan , Michael Felsberg

Point-cloud semantic segmentation underpins a wide range of critical applications. Although recent deep architectures and large-scale datasets have driven impressive closed-set performance, these models struggle to recognize or properly…

计算机视觉与模式识别 · 计算机科学 2025-05-20 Wang Fang , Shirin Rahimi , Olivia Bennett , Sophie Carter , Mitra Hassani , Xu Lan , Omid Javadi , Lucas Mitchell

Point cloud semantic segmentation is a crucial task in 3D scene understanding. Existing methods mainly focus on employing a large number of annotated labels for supervised semantic segmentation. Nonetheless, manually labeling such large…

计算机视觉与模式识别 · 计算机科学 2021-05-25 Mingmei Cheng , Le Hui , Jin Xie , Jian Yang

3D semantic segmentation is a fundamental building block for several scene understanding applications such as autonomous driving, robotics and AR/VR. Several state-of-the-art semantic segmentation models suffer from the part…

计算机视觉与模式识别 · 计算机科学 2021-11-17 Anirud Thyagharajan , Benjamin Ummenhofer , Prashant Laddha , Om J Omer , Sreenivas Subramoney

Mobile robots need to create high-definition 3D maps of the environment for applications such as remote surveillance and infrastructure mapping. Accurate semantic processing of the acquired 3D point cloud is critical for allowing the robot…

机器人学 · 计算机科学 2019-02-20 Jingdao Chen , Yong K. Cho , Zsolt Kira

Dense 3D visual mapping estimates as many as possible pixel depths, for each image. This results in very dense point clouds that often contain redundant and noisy information, especially for surfaces that are roughly planar, for instance,…

计算机视觉与模式识别 · 计算机科学 2019-02-21 Luca Morreale , Andrea Romanoni , Matteo Matteucci

With the tide of artificial intelligence, we try to apply deep learning to understand 3D data. Point cloud is an important 3D data structure, which can accurately and directly reflect the real world. In this paper, we propose a simple and…

计算机视觉与模式识别 · 计算机科学 2019-10-01 Kang Zhiheng , Li Ning

Being able to effectively identify clouds and monitor their evolution is one important step toward more accurate quantitative precipitation estimation and forecast. In this study, a new gradient-based cloud-image segmentation technique is…

计算机视觉与模式识别 · 计算机科学 2018-10-01 Negin Hayatbini , Kuo-lin Hsu , Soroosh Sorooshian , Yunji Zhang , Fuqing Zhang

In this work, we tackle the problem of instance segmentation, the task of simultaneously solving object detection and semantic segmentation. Towards this goal, we present a model, called MaskLab, which produces three outputs: box detection,…

计算机视觉与模式识别 · 计算机科学 2017-12-14 Liang-Chieh Chen , Alexander Hermans , George Papandreou , Florian Schroff , Peng Wang , Hartwig Adam

Current point cloud registration methods are mainly based on local geometric information and usually ignore the semantic information contained in the scenes. In this paper, we treat the point cloud registration problem as a semantic…

计算机视觉与模式识别 · 计算机科学 2023-10-19 Shaocong Liu , Tao Wang , Yan Zhang , Ruqin Zhou , Li Li , Chenguang Dai , Yongsheng Zhang , Longguang Wang , Hanyun Wang

Deep learning approaches to 3D shape segmentation are typically formulated as a multi-class labeling problem. Existing models are trained for a fixed set of labels, which greatly limits their flexibility and adaptivity. We opt for top-down…

计算机视觉与模式识别 · 计算机科学 2022-01-19 Fenggen Yu , Kun Liu , Yan Zhang , Chenyang Zhu , Kai Xu

Semantic segmentation of point cloud usually relies on dense annotation that is exhausting and costly, so it attracts wide attention to investigate solutions for the weakly supervised scheme with only sparse points annotated. Existing works…

计算机视觉与模式识别 · 计算机科学 2023-12-11 Yushuang Wu , Zizheng Yan , Shengcai Cai , Guanbin Li , Yizhou Yu , Xiaoguang Han , Shuguang Cui

Existing state-of-the-art 3D point cloud understanding methods merely perform well in a fully supervised manner. To the best of our knowledge, there exists no unified framework that simultaneously solves the downstream high-level…

计算机视觉与模式识别 · 计算机科学 2023-12-05 Kangcheng Liu

Point cloud semantic segmentation can significantly enhance the perception of an intelligent agent. Nevertheless, the discriminative capability of the segmentation network is influenced by the quantity of samples available for different…

计算机视觉与模式识别 · 计算机科学 2024-10-08 Jiawei Han , Kaiqi Liu , Wei Li , Guangzhi Chen

Pothole detection is crucial for road safety and maintenance, traditionally relying on 2D image segmentation. However, existing 3D Semantic Pothole Segmentation research often overlooks point cloud sparsity, leading to suboptimal local…

计算机视觉与模式识别 · 计算机科学 2024-09-01 Sahil Nawale , Dhruv Khut , Daksh Dave , Gauransh Sawhney , Pushkar Aggrawal , Kailas Devadakar

Semantic segmentation of city-scale point clouds is a critical technology for Unmanned Aerial Vehicle (UAV) perception systems, enabling the classification of 3D points without relying on any visual information to achieve comprehensive 3D…

计算机视觉与模式识别 · 计算机科学 2025-08-14 Jialei Xu , Zizhuang Wei , Weikang You , Linyun Li , Weijian Sun