中文
相关论文

相关论文: Fine-Grained Pillar Feature Encoding Via Spatio-Te…

200 篇论文

Efficient representation of point clouds is fundamental for LiDAR-based 3D object detection. While recent grid-based detectors often encode point clouds into either voxels or pillars, the distinctions between these approaches remain…

计算机视觉与模式识别 · 计算机科学 2024-03-05 Yuhao Huang , Sanping Zhou , Junjie Zhang , Jinpeng Dong , Nanning Zheng

3D object detection with LiDAR point clouds plays an important role in autonomous driving perception module that requires high speed, stability and accuracy. However, the existing point-based methods are challenging to reach the speed…

计算机视觉与模式识别 · 计算机科学 2021-10-13 Jiahui Fu , Guanghui Ren , Yunpeng Chen , Si Liu

Real-time and high-performance 3D object detection plays a critical role in autonomous driving and robotics. Recent pillar-based 3D object detectors have gained significant attention due to their compact representation and low computational…

计算机视觉与模式识别 · 计算机科学 2025-07-02 Sifan Zhou , Zhihang Yuan , Dawei Yang , Ziyu Zhao , Xing Hu , Yuguang Shi , Xiaobo Lu , Qiang Wu

3D object detection using point cloud (PC) data is essential for perception pipelines of autonomous driving, where efficient encoding is key to meeting stringent resource and latency requirements. PointPillars, a widely adopted bird's-eye…

硬件体系结构 · 计算机科学 2024-01-17 Minjae Lee , Seongmin Park , Hyungmin Kim , Minyong Yoon , Janghwan Lee , Jun Won Choi , Nam Sung Kim , Mingu Kang , Jungwook Choi

Effective point cloud processing is crucial to LiDARbased autonomous driving systems. The capability to understand features at multiple scales is required for object detection of intelligent vehicles, where road users may appear in…

计算机视觉与模式识别 · 计算机科学 2024-09-10 Weihao Lu , Dezong Zhao , Cristiano Premebida , Li Zhang , Wenjing Zhao , Daxin Tian

Existing LiDAR-based 3D object detectors usually focus on the single-frame detection, while ignoring the spatiotemporal information in consecutive point cloud frames. In this paper, we propose an end-to-end online 3D video object detector…

计算机视觉与模式识别 · 计算机科学 2020-04-06 Junbo Yin , Jianbing Shen , Chenye Guan , Dingfu Zhou , Ruigang Yang

The multi-line LiDAR is widely used in autonomous vehicles, so point cloud-based 3D detectors are essential for autonomous driving. Extracting rich multi-scale features is crucial for point cloud-based 3D detectors in autonomous driving due…

计算机视觉与模式识别 · 计算机科学 2024-11-14 Xusheng Li , Chengliang Wang , Shumao Wang , Zhuo Zeng , Ji Liu

Lidars and cameras are critical sensors that provide complementary information for 3D detection in autonomous driving. While most prevalent methods progressively downscale the 3D point clouds and camera images and then fuse the high-level…

计算机视觉与模式识别 · 计算机科学 2023-09-22 Zixuan Yin , Han Sun , Ningzhong Liu , Huiyu Zhou , Jiaquan Shen

Encrypted traffic classification is receiving widespread attention from researchers and industrial companies. However, the existing methods only extract flow-level features, failing to handle short flows because of unreliable statistical…

机器学习 · 计算机科学 2023-08-01 Haozhen Zhang , Le Yu , Xi Xiao , Qing Li , Francesco Mercaldo , Xiapu Luo , Qixu Liu

The high-dimensional nature of the 4-D light field (LF) poses great challenges in achieving efficient and effective feature embedding, that severely impacts the performance of downstream tasks. To tackle this crucial issue, in contrast to…

图像与视频处理 · 电气工程与系统科学 2024-01-12 Xianqiang Lyu , Junhui Hou

Object detection in point clouds is an important aspect of many robotics applications such as autonomous driving. In this paper we consider the problem of encoding a point cloud into a format appropriate for a downstream detection pipeline.…

机器学习 · 计算机科学 2019-05-08 Alex H. Lang , Sourabh Vora , Holger Caesar , Lubing Zhou , Jiong Yang , Oscar Beijbom

LiDAR-based 3D point cloud recognition has been proven beneficial in various applications. However, the sparsity and varying density pose a significant challenge in capturing intricate details of objects, particularly for medium-range and…

计算机视觉与模式识别 · 计算机科学 2025-04-03 Zaipeng Duan , Xuzhong Hu , Pei An , Jie Ma

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

3D object detection using point clouds has attracted increasing attention due to its wide applications in autonomous driving and robotics. However, most existing studies focus on single point cloud frames without harnessing the temporal…

计算机视觉与模式识别 · 计算机科学 2022-08-08 Zhipeng Luo , Gongjie Zhang , Changqing Zhou , Tianrui Liu , Shijian Lu , Liang Pan

Pillar-based 3D object detection has gained traction in self-driving technology due to its speed and accuracy facilitated by the artificial densification of pillars for GPU-friendly processing. However, dense pillar processing fundamentally…

计算机视觉与模式识别 · 计算机科学 2024-08-27 Seongmin Park , Minjae Lee , Junwon Choi , Jungwook Choi

Integrating frame-based RGB cameras with event streams offers a promising solution for robust object detection under challenging dynamic conditions. However, the inherent heterogeneity and data redundancy of these modalities often lead to…

计算机视觉与模式识别 · 计算机科学 2026-04-14 Wei Bao , Yuehan Wang , Tianhang Zhou , Siqi Li , Yue Gao

Environmental perception systems are crucial for high-precision mapping and autonomous navigation, with LiDAR serving as a core sensor providing accurate 3D point cloud data. Efficiently processing unstructured point clouds while extracting…

计算机视觉与模式识别 · 计算机科学 2025-11-25 Chuang Chen , Yi Lin , Bo Wang , Jing Hu , Xi Wu , Wenyi Ge

Fine-grained categories are more difficulty distinguished than generic categories due to the similarity of inter-class and the diversity of intra-class. Therefore, the fine-grained visual categorization (FGVC) is considered as one of…

计算机视觉与模式识别 · 计算机科学 2015-05-12 Guo Lihua , Guo Chenggan

Current LiDAR-only 3D detection methods inevitably suffer from the sparsity of point clouds. Many multi-modal methods are proposed to alleviate this issue, while different representations of images and point clouds make it difficult to fuse…

计算机视觉与模式识别 · 计算机科学 2022-07-05 Xiaopei Wu , Liang Peng , Honghui Yang , Liang Xie , Chenxi Huang , Chengqi Deng , Haifeng Liu , Deng Cai

We propose a late-to-early recurrent feature fusion scheme for 3D object detection using temporal LiDAR point clouds. Our main motivation is fusing object-aware latent embeddings into the early stages of a 3D object detector. This feature…

计算机视觉与模式识别 · 计算机科学 2023-10-02 Tong He , Pei Sun , Zhaoqi Leng , Chenxi Liu , Dragomir Anguelov , Mingxing Tan
‹ 上一页 1 2 3 10 下一页 ›