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Open-Vocabulary Segmentation (OVS) methods offer promising capabilities in detecting unseen object categories, but the category must be known and needs to be provided by a human, either via a text prompt or pre-labeled datasets, thus…

计算机视觉与模式识别 · 计算机科学 2025-04-01 Weijie Wei , Osman Ülger , Fatemeh Karimi Nejadasl , Theo Gevers , Martin R. Oswald

Pre-training is crucial in 3D-related fields such as autonomous driving where point cloud annotation is costly and challenging. Many recent studies on point cloud pre-training, however, have overlooked the issue of incompleteness, where…

计算机视觉与模式识别 · 计算机科学 2023-11-09 Hao Yang , Haiyang Wang , Di Dai , Liwei Wang

Current LiDAR point cloud-based 3D single object tracking (SOT) methods typically rely on point-based representation network. Despite demonstrated success, such networks suffer from some fundamental problems: 1) It contains pooling…

计算机视觉与模式识别 · 计算机科学 2024-08-06 Yuxuan Lu , Jiahao Nie , Zhiwei He , Hongjie Gu , Xudong Lv

Semantic segmentation across visual modalities such as 3D point clouds and panoramic images remains a challenging task, primarily due to the scarcity of annotated data and the limited adaptability of fixed-label models. In this paper, we…

计算机视觉与模式识别 · 计算机科学 2026-03-13 Sandeep Inuganti , Hideaki Kanayama , Kanta Shimizu , Mahdi Chamseddine , Soichiro Yokota , Didier Stricker , Jason Rambach

We introduce GaussianOcc, a systematic method that investigates the two usages of Gaussian splatting for fully self-supervised and efficient 3D occupancy estimation in surround views. First, traditional methods for self-supervised 3D…

计算机视觉与模式识别 · 计算机科学 2025-07-15 Wanshui Gan , Fang Liu , Hongbin Xu , Ningkai Mo , Naoto Yokoya

Producing traversability maps and understanding the surroundings are crucial prerequisites for autonomous navigation. In this paper, we address the problem of traversability assessment using point clouds. We propose a novel pillar feature…

计算机视觉与模式识别 · 计算机科学 2024-06-25 Yirui Chen , Pengjin Wei , Zhenhuan Liu , Bingchao Wang , Jie Yang , Wei Liu

3D occupancy perception technology aims to observe and understand dense 3D environments for autonomous vehicles. Owing to its comprehensive perception capability, this technology is emerging as a trend in autonomous driving perception…

计算机视觉与模式识别 · 计算机科学 2024-09-17 Huaiyuan Xu , Junliang Chen , Shiyu Meng , Yi Wang , Lap-Pui Chau

This paper introduces InverseMatrixVT3D, an efficient method for transforming multi-view image features into 3D feature volumes for 3D semantic occupancy prediction. Existing methods for constructing 3D volumes often rely on depth…

计算机视觉与模式识别 · 计算机科学 2024-04-30 Zhenxing Ming , Julie Stephany Berrio , Mao Shan , Stewart Worrall

Occupancy prediction infers fine-grained 3D geometry and semantics from camera images of the surrounding environment, making it a critical perception task for autonomous driving. Existing methods either adopt dense grids as scene…

计算机视觉与模式识别 · 计算机科学 2025-06-13 Yunxiao Shi , Yinhao Zhu , Shizhong Han , Jisoo Jeong , Amin Ansari , Hong Cai , Fatih Porikli

This paper introduces VolMap, a real-time approach for the semantic segmentation of a 3D LiDAR surrounding view system in autonomous vehicles. We designed an optimized deep convolution neural network that can accurately segment the point…

计算机视觉与模式识别 · 计算机科学 2019-07-01 Hager Radi , Waleed Ali

3D occupancy infers fine-grained 3D geometry and semantics which is critical for autonomous driving. Most existing approaches carry high compute costs, requiring dense 3D feature volume and cross-attention to effectively aggregate…

计算机视觉与模式识别 · 计算机科学 2026-04-07 Yunxiao Shi , Hong Cai , Jisoo Jeong , Yinhao Zhu , Shizhong Han , Amin Ansari , Fatih Porikli

We address the problem of real-time 3D object detection from point clouds in the context of autonomous driving. Computation speed is critical as detection is a necessary component for safety. Existing approaches are, however, expensive in…

计算机视觉与模式识别 · 计算机科学 2019-03-05 Bin Yang , Wenjie Luo , Raquel Urtasun

The 3D occupancy prediction task has witnessed remarkable progress in recent years, playing a crucial role in vision-based autonomous driving systems. While traditional methods are limited to fixed semantic categories, recent approaches…

计算机视觉与模式识别 · 计算机科学 2025-10-09 Chi Yan , Dan Xu

This paper aims at high-accuracy 3D object detection in autonomous driving scenario. We propose Multi-View 3D networks (MV3D), a sensory-fusion framework that takes both LIDAR point cloud and RGB images as input and predicts oriented 3D…

计算机视觉与模式识别 · 计算机科学 2017-06-23 Xiaozhi Chen , Huimin Ma , Ji Wan , Bo Li , Tian Xia

Occupancy prediction plays a pivotal role in autonomous driving. Previous methods typically construct dense 3D volumes, neglecting the inherent sparsity of the scene and suffering from high computational costs. To bridge the gap, we…

计算机视觉与模式识别 · 计算机科学 2024-07-22 Haisong Liu , Yang Chen , Haiguang Wang , Zetong Yang , Tianyu Li , Jia Zeng , Li Chen , Hongyang Li , Limin Wang

In this paper, we propose PointSeg, a real-time end-to-end semantic segmentation method for road-objects based on spherical images. We take the spherical image, which is transformed from the 3D LiDAR point clouds, as input of the…

计算机视觉与模式识别 · 计算机科学 2018-09-26 Yuan Wang , Tianyue Shi , Peng Yun , Lei Tai , Ming Liu

Semantic Scene Completion (SSC) aims to jointly generate space occupancies and semantic labels for complex 3D scenes. Most existing SSC models focus on volumetric representations, which are memory-inefficient for large outdoor spaces. Point…

计算机视觉与模式识别 · 计算机科学 2024-03-08 Yuxiang Yan , Boda Liu , Jianfei Ai , Qinbu Li , Ru Wan , Jian Pu

We present a simple and effective framework, named Point2Seq, for 3D object detection from point clouds. In contrast to previous methods that normally {predict attributes of 3D objects all at once}, we expressively model the…

计算机视觉与模式识别 · 计算机科学 2022-03-28 Yujing Xue , Jiageng Mao , Minzhe Niu , Hang Xu , Michael Bi Mi , Wei Zhang , Xiaogang Wang , Xinchao Wang

Semantic understanding of 3D point clouds is important for various robotics applications. Given that point-wise semantic annotation is expensive, in this paper, we address the challenge of learning models with extremely sparse labels. The…

计算机视觉与模式识别 · 计算机科学 2021-09-20 Liyi Luo , Beiwen Tian , Hao Zhao , Guyue Zhou

Reliable pose estimation in previously unseen environments is a fundamental capability of autonomous systems. Existing LiDAR odometry methods typically employ point-, surfel-, or NDT-based map representations, which are distinct from the…

机器人学 · 计算机科学 2026-05-15 Johannes Scherer , Sebastian Hirt , Henri Meeß