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Advances in LiDAR sensors provide rich 3D data that supports 3D scene understanding. However, due to occlusion and signal miss, LiDAR point clouds are in practice 2.5D as they cover only partial underlying shapes, which poses a fundamental…

计算机视觉与模式识别 · 计算机科学 2021-12-07 Qiangeng Xu , Yiqi Zhong , Ulrich Neumann

LiDAR and cameras are two complementary sensors for 3D perception in autonomous driving. LiDAR point clouds have accurate spatial and geometry information, while RGB images provide textural and color data for context reasoning. To exploit…

计算机视觉与模式识别 · 计算机科学 2022-09-27 Rui Wan , Shuangjie Xu , Wei Wu , Xiaoyi Zou , Tongyi Cao

Implementing cross-modal hashing between 2D images and 3D point-cloud data is a growing concern in real-world retrieval systems. Simply applying existing cross-modal approaches to this new task fails to adequately capture latent multi-modal…

计算机视觉与模式识别 · 计算机科学 2024-08-13 Rukai Wei , Heng Cui , Yu Liu , Yufeng Hou , Yanzhao Xie , Ke Zhou

3D object detection with multi-sensors is essential for an accurate and reliable perception system of autonomous driving and robotics. Existing 3D detectors significantly improve the accuracy by adopting a two-stage paradigm which merely…

计算机视觉与模式识别 · 计算机科学 2022-09-23 Xinli Xu , Shaocong Dong , Lihe Ding , Jie Wang , Tingfa Xu , Jianan Li

Despite radar's popularity in the automotive industry, for fusion-based 3D object detection, most existing works focus on LiDAR and camera fusion. In this paper, we propose TransCAR, a Transformer-based Camera-And-Radar fusion solution for…

计算机视觉与模式识别 · 计算机科学 2023-05-02 Su Pang , Daniel Morris , Hayder Radha

The fusion of camera- and LiDAR-based detections offers a promising solution to mitigate tracking failures in 3D multi-object tracking (MOT). However, existing methods predominantly exploit camera detections to correct tracking failures…

计算机视觉与模式识别 · 计算机科学 2024-12-02 Lipeng Gu , Xuefeng Yan , Weiming Wang , Honghua Chen , Dingkun Zhu , Liangliang Nan , Mingqiang Wei

Lidar based 3D object detection and classification tasks are essential for automated driving(AD). A Lidar sensor can provide the 3D point coud data reconstruction of the surrounding environment. But the detection in 3D point cloud still…

计算机视觉与模式识别 · 计算机科学 2020-04-27 Xuanyu YIN , Yoko SASAKI , Weimin WANG , Kentaro SHIMIZU

Depth estimation provides an alternative approach for perceiving 3D information in autonomous driving. Monocular depth estimation, whether with single-frame or multi-frame inputs, has achieved significant success by learning various types…

计算机视觉与模式识别 · 计算机科学 2023-12-06 Naiyu Fang , Lemiao Qiu , Shuyou Zhang , Zili Wang , Zheyuan Zhou , Kerui Hu

The majority of point cloud registration methods currently rely on extracting features from points. However, these methods are limited by their dependence on information obtained from a single modality of points, which can result in…

计算机视觉与模式识别 · 计算机科学 2023-11-03 Yifan Xie , Jihua Zhu , Shiqi Li , Pengcheng Shi

Most of the existing bi-modal (RGB-D and RGB-T) salient object detection methods utilize the convolution operation and construct complex interweave fusion structures to achieve cross-modal information integration. The inherent local…

计算机视觉与模式识别 · 计算机科学 2023-02-17 Youwei Pang , Xiaoqi Zhao , Lihe Zhang , Huchuan Lu

While 2D object detection has improved significantly over the past, real world applications of computer vision often require an understanding of the 3D layout of a scene. Many recent approaches to 3D detection use LiDAR point clouds for…

计算机视觉与模式识别 · 计算机科学 2020-11-20 Jihao Andreas Lin , Jakob Brünker , Daniel Fährmann

Recent advances in automotive four-dimensional (4D) Radar have enabled access to raw 4D Radar Tensor (4DRT), offering richer spatial and Doppler information than conventional point clouds. While most existing methods rely on heavily…

计算机视觉与模式识别 · 计算机科学 2025-05-26 Seung-Hyun Song , Dong-Hee Paek , Minh-Quan Dao , Ezio Malis , Seung-Hyun Kong

The challenge of 3D multi-object tracking is achieving robustness in real-world applications, for example under adverse conditions and maintaining consistency as distance increases. To overcome these challenges, sensor fusion approaches…

计算机视觉与模式识别 · 计算机科学 2026-04-22 Bingxue Xu , Emil Hedemalm , Ajinkya Khoche , Patric Jensfelt

In this work, a deep learning approach has been developed to carry out road detection by fusing LIDAR point clouds and camera images. An unstructured and sparse point cloud is first projected onto the camera image plane and then upsampled…

计算机视觉与模式识别 · 计算机科学 2018-09-24 Luca Caltagirone , Mauro Bellone , Lennart Svensson , Mattias Wahde

The past few years have witnessed an increasing interest in improving the perception performance of LiDARs on autonomous vehicles. While most of the existing works focus on developing new deep learning algorithms or model architectures, we…

机器人学 · 计算机科学 2022-05-05 Hanjiang Hu , Zuxin Liu , Sharad Chitlangia , Akhil Agnihotri , Ding Zhao

3D dense captioning aims to describe individual objects by natural language in 3D scenes, where 3D scenes are usually represented as RGB-D scans or point clouds. However, only exploiting single modal information, e.g., point cloud, previous…

计算机视觉与模式识别 · 计算机科学 2022-04-07 Zhihao Yuan , Xu Yan , Yinghong Liao , Yao Guo , Guanbin Li , Zhen Li , Shuguang Cui

Image and Point Clouds provide different information for robots. Finding the correspondences between data from different sensors is crucial for various tasks such as localization, mapping, and navigation. Learning-based descriptors have…

计算机视觉与模式识别 · 计算机科学 2022-06-27 Peng Jiang , Srikanth Saripalli

Multi-modal 3D object detection has received growing attention as the information from different sensors like LiDAR and cameras are complementary. Most fusion methods for 3D detection rely on an accurate alignment and calibration between 3D…

计算机视觉与模式识别 · 计算机科学 2023-05-16 Zhe Liu , Xiaoqing Ye , Zhikang Zou , Xinwei He , Xiao Tan , Errui Ding , Jingdong Wang , Xiang Bai

3D object detection is an essential task in autonomous driving. Recent techniques excel with highly accurate detection rates, provided the 3D input data is obtained from precise but expensive LiDAR technology. Approaches based on cheaper…

计算机视觉与模式识别 · 计算机科学 2020-02-25 Yan Wang , Wei-Lun Chao , Divyansh Garg , Bharath Hariharan , Mark Campbell , Kilian Q. Weinberger

What constitutes an object? This has been a long-standing question in computer vision. Towards this goal, numerous learning-free and learning-based approaches have been developed to score objectness. However, they generally do not scale…

计算机视觉与模式识别 · 计算机科学 2022-07-20 Muhammad Maaz , Hanoona Rasheed , Salman Khan , Fahad Shahbaz Khan , Rao Muhammad Anwer , Ming-Hsuan Yang