中文
相关论文

相关论文: Boundary-Aware Dense Feature Indicator for Single-…

200 篇论文

Accurate 3D object detection in LiDAR based point clouds suffers from the challenges of data sparsity and irregularities. Existing methods strive to organize the points regularly, e.g. voxelize, pass them through a designed 2D/3D neural…

计算机视觉与模式识别 · 计算机科学 2020-10-14 Qi Chen , Lin Sun , Zhixin Wang , Kui Jia , Alan Yuille

Point cloud classification plays an important role in a wide range of airborne light detection and ranging (LiDAR) applications, such as topographic mapping, forest monitoring, power line detection, and road detection. However, due to the…

计算机视觉与模式识别 · 计算机科学 2020-04-21 Congcong Wen , Lina Yang , Ling Peng , Xiang Li , Tianhe Chi

Detecting pedestrians is a crucial task in autonomous driving systems to ensure the safety of drivers and pedestrians. The technologies involved in these algorithms must be precise and reliable, regardless of environment conditions. Relying…

计算机视觉与模式识别 · 计算机科学 2021-05-05 Òscar Lorente , Josep R. Casas , Santiago Royo , Ivan Caminal

Three dimensional (3D) object recognition is becoming a key desired capability for many computer vision systems such as autonomous vehicles, service robots and surveillance drones to operate more effectively in unstructured environments.…

计算机视觉与模式识别 · 计算机科学 2021-08-25 Chenxi Xiao , Juan Wachs

Efficiently and accurately detecting people from 3D point cloud data is of great importance in many robotic and autonomous driving applications. This fundamental perception task is still very challenging due to (i) significant deformations…

计算机视觉与模式识别 · 计算机科学 2022-11-18 Duy-Tho Le , Hengcan Shi , Hamid Rezatofighi , Jianfei Cai

LiDAR-based 3D object detection is an important task for autonomous driving and current approaches suffer from sparse and partial point clouds of distant and occluded objects. In this paper, we propose a novel two-stage approach, namely…

计算机视觉与模式识别 · 计算机科学 2020-12-23 Yanan Zhang , Di Huang , Yunhong Wang

DEtection TRansformer (DETR) started a trend that uses a group of learnable queries for unified visual perception. This work begins by applying this appealing paradigm to LiDAR-based point cloud segmentation and obtains a simple yet…

计算机视觉与模式识别 · 计算机科学 2023-03-24 Zeqi Xiao , Wenwei Zhang , Tai Wang , Chen Change Loy , Dahua Lin , Jiangmiao Pang

In order to deal with the sparse and unstructured raw point clouds, LiDAR based 3D object detection research mostly focuses on designing dedicated local point aggregators for fine-grained geometrical modeling. In this paper, we revisit the…

计算机视觉与模式识别 · 计算机科学 2023-05-09 Jinyu Li , Chenxu Luo , Xiaodong Yang

We present a unified, efficient and effective framework for point-cloud based 3D object detection. Our two-stage approach utilizes both voxel representation and raw point cloud data to exploit respective advantages. The first stage network,…

计算机视觉与模式识别 · 计算机科学 2019-08-19 Yilun Chen , Shu Liu , Xiaoyong Shen , Jiaya Jia

A novel, adaptive ground-aware, and cost-effective 3D Object Detection pipeline is proposed. The ground surface representation introduced in this paper, in comparison to its uni-planar counterparts (methods that model the surface of a whole…

计算机视觉与模式识别 · 计算机科学 2020-06-30 Arun CS Kumar , Disha Ahuja , Ashwath Aithal

3D object detection is a core component of automated driving systems. State-of-the-art methods fuse RGB imagery and LiDAR point cloud data frame-by-frame for 3D bounding box regression. However, frame-by-frame 3D object detection suffers…

计算机视觉与模式识别 · 计算机科学 2021-05-24 Emeç Erçelik , Ekim Yurtsever , Alois Knoll

The task of detecting 3D objects in traffic scenes has a pivotal role in many real-world applications. However, the performance of 3D object detection is lower than that of 2D object detection due to the lack of powerful 3D feature…

计算机视觉与模式识别 · 计算机科学 2019-09-17 Xuesong Li , Jose Guivant , Ngaiming Kwok , Yongzhi Xu , Ruowei Li , Hongkun Wu

Recent advances in 4D imaging radar have enabled robust perception in adverse weather, while camera sensors provide dense semantic information. Fusing the these complementary modalities has great potential for cost-effective 3D perception.…

计算机视觉与模式识别 · 计算机科学 2025-11-03 Xiaozhi Li , Huijun Di , Jian Li , Feng Liu , Wei Liang

Small object detection for 3D point cloud is a challenging problem because of two limitations: (1) Perceiving small objects is much more diffcult than normal objects due to the lack of valid points. (2) Small objects are easily blocked…

计算机视觉与模式识别 · 计算机科学 2022-10-27 Zhicong Huang , Jingwen Zhao , Zhijie Zheng , Dihu Chena , Haifeng Hu

Light Detection And Ranging (LiDAR) has been widely used in autonomous vehicles for perception and localization. However, the cost of a high-resolution LiDAR is still prohibitively expensive, while its low-resolution counterpart is much…

计算机视觉与模式识别 · 计算机科学 2022-05-05 Lin Bai , Yiming Zhao , Xinming Huang

Monocular image-based 3D perception has become an active research area in recent years owing to its applications in autonomous driving. Approaches to monocular 3D perception including detection and tracking, however, often yield inferior…

For current object detectors, the scale of the receptive field of feature extraction operators usually increases layer by layer. Those operators are called scale-oriented operators in this paper, such as the convolution layer in CNN, and…

计算机视觉与模式识别 · 计算机科学 2021-02-09 Jie Li , Yu Hu

A crucial task in scene understanding is 3D object detection, which aims to detect and localize the 3D bounding boxes of objects belonging to specific classes. Existing 3D object detectors heavily rely on annotated 3D bounding boxes during…

计算机视觉与模式识别 · 计算机科学 2020-07-29 Zengyi Qin , Jinglu Wang , Yan Lu

Face recognition using 3D point clouds is gaining growing interest, while raw point clouds often contain a significant amount of noise due to imperfect sensors. In this paper, an end-to-end 3D face recognition on a noisy point cloud is…

计算机视觉与模式识别 · 计算机科学 2025-06-10 Junyu Liu , Jianfeng Ren , Sunhong Liang , Xudong Jiang

In radar-camera 3D object detection, the radar point clouds are sparse and noisy, which causes difficulties in fusing camera and radar modalities. To solve this, we introduce a novel query-based detection method named Radar-Camera…

计算机视觉与模式识别 · 计算机科学 2024-12-18 Yiheng Li , Yang Yang , Zhen Lei