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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

Change point detection (CPD) and anomaly detection (AD) are essential techniques in various fields to identify abrupt changes or abnormal data instances. However, existing methods are often constrained to univariate data, face scalability…

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

Deep learning object detectors often return false positives with very high confidence. Although they optimize generic detection performance, such as mean average precision (mAP), they are not designed for reliability. For a reliable…

计算机视觉与模式识别 · 计算机科学 2020-06-30 Siddharth Ancha , Junyu Nan , David Held

LiDAR point clouds collected from a moving vehicle are functions of its trajectories, because the sensor motion needs to be compensated to avoid distortions. When autonomous vehicles are sending LiDAR point clouds to deep networks for…

计算机视觉与模式识别 · 计算机科学 2021-08-02 Yiming Li , Congcong Wen , Felix Juefei-Xu , Chen Feng

In object detection with deep neural networks, the box-wise objectness score tends to be overconfident, sometimes even indicating high confidence in presence of inaccurate predictions. Hence, the reliability of the prediction and therefore…

计算机视觉与模式识别 · 计算机科学 2020-10-07 Marius Schubert , Karsten Kahl , Matthias Rottmann

Most real-world 3D sensors such as LiDARs perform fixed scans of the entire environment, while being decoupled from the recognition system that processes the sensor data. In this work, we propose a method for 3D object recognition using…

计算机视觉与模式识别 · 计算机科学 2021-07-09 Siddharth Ancha , Yaadhav Raaj , Peiyun Hu , Srinivasa G. Narasimhan , David Held

This paper explores the use of applying a deep learning approach for 3D object detection to compute the relative position of an Unmanned Aerial Vehicle (UAV) from an Unmanned Ground Vehicle (UGV) equipped with a LiDAR sensor in a GPS-denied…

机器人学 · 计算机科学 2025-04-10 Uthman Olawoye , Jason N. Gross

The 3D reconstruction of objects is a prerequisite for many highly relevant applications of computer vision such as mobile robotics or autonomous driving. To deal with the inverse problem of reconstructing 3D objects from their 2D…

计算机视觉与模式识别 · 计算机科学 2021-12-09 Max Coenen , Franz Rottensteiner

Wide-range and fine-grained vehicle detection plays a critical role in enabling active safety features in intelligent driving systems. However, existing vehicle detection methods based on rectangular bounding boxes (BBox) often struggle…

计算机视觉与模式识别 · 计算机科学 2023-09-18 Zhupeng Ye , Yinqi Li , Zejian Yuan

Comprehending the environment and accurately detecting objects in 3D space are essential for advancing autonomous vehicle technologies. Integrating Camera and LIDAR data has emerged as an effective approach for achieving high accuracy in 3D…

计算机视觉与模式识别 · 计算机科学 2025-03-11 Marcelo Eduardo Pederiva , José Mario De Martino , Alessandro Zimmer

Aiming to improve the checkerboard corner detection robustness against the images with poor quality, such as lens distortion, extreme poses, and noise, we propose a novel detection algorithm which can maintain high accuracy on inputs under…

计算机视觉与模式识别 · 计算机科学 2023-02-13 Ben Chen , Caihua Xiong , Qi Zhang

Real-time 3D object detection from point clouds is essential for dynamic scene understanding in applications such as augmented reality, robotics and navigation. We introduce a novel Spatial-prioritized and Rank-aware 3D object detection…

计算机视觉与模式识别 · 计算机科学 2025-11-21 Chenyu Zhao , Xianwei Zheng , Zimin Xia , Linwei Yue , Nan Xue

An autonomous driving system requires a 3D object detector, which must perceive all present road agents reliably to navigate an environment safely. However, real-world driving datasets often suffer from the problem of data imbalance, which…

计算机视觉与模式识别 · 计算机科学 2022-10-10 Daeun Lee , Jongwon Park , Jinkyu Kim

LiDAR sensors are widely used in autonomous driving due to the reliable 3D spatial information. However, the data of LiDAR is sparse and the frequency of LiDAR is lower than that of cameras. To generate denser point clouds spatially and…

计算机视觉与模式识别 · 计算机科学 2021-12-09 Xudong Huang , Chunyu Lin , Haojie Liu , Lang Nie , Yao Zhao

We present TOPGN, a novel method for real-time transparent obstacle detection for robot navigation in unknown environments. We use a multi-layer 2D grid map representation obtained by summing the intensities of lidar point clouds that lie…

机器人学 · 计算机科学 2024-08-13 Kasun Weerakoon , Adarsh Jagan Sathyamoorthy , Mohamed Elnoor , Anuj Zore , Dinesh Manocha

3D perception in LiDAR point clouds is crucial for a self-driving vehicle to properly act in 3D environment. However, manually labeling point clouds is hard and costly. There has been a growing interest in self-supervised pre-training of 3D…

计算机视觉与模式识别 · 计算机科学 2024-09-12 Mu Cai , Chenxu Luo , Yong Jae Lee , Xiaodong Yang

In autonomous driving, 3D object detection based on multi-modal data has become an indispensable approach when facing complex environments around the vehicle. During multi-modal detection, LiDAR and camera are simultaneously applied for…

计算机视觉与模式识别 · 计算机科学 2023-01-19 Rui Wan , Tianyun Zhao , Wei Zhao

Deep learning (DL) has recently attracted increasing interest to improve object type classification for automotive radar.In addition to high accuracy, it is crucial for decision making in autonomous vehicles to evaluate the reliability of…

机器学习 · 计算机科学 2021-06-11 Kanil Patel , William Beluch , Kilian Rambach , Adriana-Eliza Cozma , Michael Pfeiffer , Bin Yang

Point clouds are widely used representations of 3D data, but determining the visibility of points from a given viewpoint remains a challenging problem due to their sparse nature and lack of explicit connectivity. Traditional methods, such…

图形学 · 计算机科学 2025-09-30 Jun-Hao Wang , Yi-Yang Tian , Baoquan Chen , Peng-Shuai Wang