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Monocular scene understanding is a foundational component of autonomous systems. Within the spectrum of monocular perception topics, one crucial and useful task for holistic 3D scene understanding is semantic scene completion (SSC), which…

计算机视觉与模式识别 · 计算机科学 2024-10-01 Yiming Li , Sihang Li , Xinhao Liu , Moonjun Gong , Kenan Li , Nuo Chen , Zijun Wang , Zhiheng Li , Tao Jiang , Fisher Yu , Yue Wang , Hang Zhao , Zhiding Yu , Chen Feng

Semantic scene completion (SSC) is a challenging Computer Vision task with many practical applications, from robotics to assistive computing. Its goal is to infer the 3D geometry in a field of view of a scene and the semantic labels of…

计算机视觉与模式识别 · 计算机科学 2021-11-29 Aloisio Dourado , Frederico Guth , Teofilo de Campos

Large-scale semantic mapping is crucial for outdoor autonomous agents to fulfill high-level tasks such as planning and navigation. This paper proposes a novel method for large-scale 3D semantic reconstruction through implicit…

计算机视觉与模式识别 · 计算机科学 2024-03-21 Jianyuan Zhang , Zhiliu Yang , Meng Zhang

LiDAR point cloud analysis is a core task for 3D computer vision, especially for autonomous driving. However, due to the severe sparsity and noise interference in the single sweep LiDAR point cloud, the accurate semantic segmentation is…

计算机视觉与模式识别 · 计算机科学 2020-12-08 Xu Yan , Jiantao Gao , Jie Li , Ruimao Zhang , Zhen Li , Rui Huang , Shuguang Cui

Enhancing the quality of low-light images plays a very important role in many image processing and multimedia applications. In recent years, a variety of deep learning techniques have been developed to address this challenging task. A…

图像与视频处理 · 电气工程与系统科学 2021-12-13 Long Ma , Risheng Liu , Jiaao Zhang , Xin Fan , Zhongxuan Luo

Fusion of 2D images and 3D point clouds is important because information from dense images can enhance sparse point clouds. However, fusion is challenging because 2D and 3D data live in different spaces. In this work, we propose MVPNet…

计算机视觉与模式识别 · 计算机科学 2019-10-01 Maximilian Jaritz , Jiayuan Gu , Hao Su

In this paper, we proposed large selective kernel and sparse attention network (LSKSANet) for remote sensing image semantic segmentation. The LSKSANet is a lightweight network that effectively combines convolution with sparse attention…

图像与视频处理 · 电气工程与系统科学 2024-06-04 Miao Fu , Feng Gao , Ruzhuang Hua , Yanhai Gan , Xiaowei Zhou , Yang Zhou

LiDAR and camera are two modalities available for 3D semantic segmentation in autonomous driving. The popular LiDAR-only methods severely suffer from inferior segmentation on small and distant objects due to insufficient laser points, while…

计算机视觉与模式识别 · 计算机科学 2023-03-16 Jiale Li , Hang Dai , Hao Han , Yong Ding

Semantic grids can be useful representations of the scene around an autonomous system. By having information about the layout of the space around itself, a robot can leverage this type of representation for crucial tasks such as navigation…

Semantic scene completion (SSC) aims to complete a partial 3D scene and predict its semantics simultaneously. Most existing works adopt the voxel representations, thus suffering from the growth of memory and computation cost as the voxel…

计算机视觉与模式识别 · 计算机科学 2022-11-28 Jinfeng Xu , Xianzhi Li , Yuan Tang , Qiao Yu , Yixue Hao , Long Hu , Min Chen

Semantic image segmentation plays a pivotal role in many vision applications including autonomous driving and medical image analysis. Most of the former approaches move towards enhancing the performance in terms of accuracy with a little…

计算机视觉与模式识别 · 计算机科学 2020-01-06 Taha Emara , Hossam E. Abd El Munim , Hazem M. Abbas

Whilst the availability of 3D LiDAR point cloud data has significantly grown in recent years, annotation remains expensive and time-consuming, leading to a demand for semi-supervised semantic segmentation methods with application domains…

计算机视觉与模式识别 · 计算机科学 2023-03-29 Li Li , Hubert P. H. Shum , Toby P. Breckon

In the past decade, convolutional neural networks (CNNs) have shown prominence for semantic segmentation. Although CNN models have very impressive performance, the ability to capture global representation is still insufficient, which…

计算机视觉与模式识别 · 计算机科学 2023-02-22 Guoan Xu , Juncheng Li , Guangwei Gao , Huimin Lu , Jian Yang , Dong Yue

This work proposed a 3D autoencoder architecture, named LiLa-Net, which encodes efficient features from real traffic environments, employing only the LiDAR's point clouds. For this purpose, we have real semi-autonomous vehicle, equipped…

计算机视觉与模式识别 · 计算机科学 2025-10-03 Mario Resino , Borja Pérez , Jaime Godoy , Abdulla Al-Kaff , Fernando García

Semantic scene completion (SSC) is essential for achieving comprehensive perception in autonomous driving systems. However, existing SSC methods often overlook the high deployment costs in real-world applications. Traditional architectures,…

计算机视觉与模式识别 · 计算机科学 2026-01-21 Yansong Qu , Zixuan Xu , Zilin Huang , Zihao Sheng , Tiantian Chen , Sikai Chen

We propose a method to reconstruct, complete and semantically label a 3D scene from a single input depth image. We improve the accuracy of the regressed semantic 3D maps by a novel architecture based on adversarial learning. In particular,…

计算机视觉与模式识别 · 计算机科学 2022-05-10 Yida Wang , David Joseph Tan , Nassir Navab , Federico Tombari

3D semantic scene completion and 2D semantic segmentation are two tightly correlated tasks that are both essential for indoor scene understanding, because they predict the same semantic classes, using positively correlated high-level…

计算机视觉与模式识别 · 计算机科学 2021-06-30 Jie Li , Laiyan Ding , Rui Huang

Semantic segmentation is an important component in the perception systems of autonomous vehicles. In this work, we adopt recent advances in both image and point cloud segmentation to achieve a better accuracy in the task of segmenting LiDAR…

计算机视觉与模式识别 · 计算机科学 2020-08-24 Deyvid Kochanov , Fatemeh Karimi Nejadasl , Olaf Booij

Current medical image segmentation approaches have limitations in deeply exploring multi-scale information and effectively combining local detail textures with global contextual semantic information. This results in over-segmentation,…

计算机视觉与模式识别 · 计算机科学 2025-01-08 Zhenkun Lu , Chaoyin She , Wei Wang , Qinghua Huang

Efficient data utilization is crucial for advancing 3D scene understanding in autonomous driving, where reliance on heavily human-annotated LiDAR point clouds challenges fully supervised methods. Addressing this, our study extends into…

计算机视觉与模式识别 · 计算机科学 2025-12-08 Lingdong Kong , Xiang Xu , Jiawei Ren , Wenwei Zhang , Liang Pan , Kai Chen , Wei Tsang Ooi , Ziwei Liu