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Perception in 3D has become standard practice for a large part of robotics applications. High quality 3D perception is costly. Our previous work on a nodding 2D Lidar provides high quality 3D depth information with low cost, but the sparse…

Computer Vision and Pattern Recognition · Computer Science 2020-01-01 Anindya Harchowdhury , Lindsay Kleeman , Leena Vachhani

3D object detection is a fundamental and challenging task for 3D scene understanding, and the monocular-based methods can serve as an economical alternative to the stereo-based or LiDAR-based methods. However, accurately detecting objects…

Computer Vision and Pattern Recognition · Computer Science 2022-01-27 Zhiyu Chong , Xinzhu Ma , Hong Zhang , Yuxin Yue , Haojie Li , Zhihui Wang , Wanli Ouyang

Object detection and classification in 3D is a key task in Automated Driving (AD). LiDAR sensors are employed to provide the 3D point cloud reconstruction of the surrounding environment, while the task of 3D object bounding box detection in…

Computer Vision and Pattern Recognition · Computer Science 2018-08-08 Waleed Ali , Sherif Abdelkarim , Mohamed Zahran , Mahmoud Zidan , Ahmad El Sallab

LiDAR sensors can be used to obtain a wide range of measurement signals other than a simple 3D point cloud, and those signals can be leveraged to improve perception tasks like 3D object detection. A single laser pulse can be partially…

Computer Vision and Pattern Recognition · Computer Science 2021-07-27 Yunze Man , Xinshuo Weng , Prasanna Kumar Sivakuma , Matthew O'Toole , Kris Kitani

Object detection and global localization play a crucial role in robotics, spanning across a great spectrum of applications from autonomous cars to multi-layered 3D Scene Graphs for semantic scene understanding. This article proposes BOX3D,…

Computer Vision and Pattern Recognition · Computer Science 2024-08-28 Mario A. V. Saucedo , Nikolaos Stathoulopoulos , Vidya Sumathy , Christoforos Kanellakis , George Nikolakopoulos

Camera-only 3D detection provides an economical solution with a simple configuration for localizing objects in 3D space compared to LiDAR-based detection systems. However, a major challenge lies in precise depth estimation due to the lack…

Computer Vision and Pattern Recognition · Computer Science 2023-03-27 Yue Hu , Yifan Lu , Runsheng Xu , Weidi Xie , Siheng Chen , Yanfeng Wang

Widely-used LiDAR-based 3D object detectors often neglect fundamental geometric information readily available from the object proposals in their confidence estimation. This is mostly due to architectural design choices, which were often…

Computer Vision and Pattern Recognition · Computer Science 2023-11-01 David Schinagl , Georg Krispel , Christian Fruhwirth-Reisinger , Horst Possegger , Horst Bischof

As cameras are increasingly deployed in new application domains such as autonomous driving, performing 3D object detection on monocular images becomes an important task for visual scene understanding. Recent advances on monocular 3D object…

Computer Vision and Pattern Recognition · Computer Science 2021-07-07 Xiaomeng Chu , Jiajun Deng , Yao Li , Zhenxun Yuan , Yanyong Zhang , Jianmin Ji , Yu Zhang

Accurate 3D object detection is vital for automated driving. While lidar sensors are well suited for this task, they are expensive and have limitations in adverse weather conditions. 3+1D imaging radar sensors offer a cost-effective, robust…

Computer Vision and Pattern Recognition · Computer Science 2024-09-10 Patrick Palmer , Martin Krüger , Stefan Schütte , Richard Altendorfer , Ganesh Adam , Torsten Bertram

The paper proposes a light-weighted stereo frustums matching module for 3D objection detection. The proposed framework takes advantage of a high-performance 2D detector and a point cloud segmentation network to regress 3D bounding boxes for…

Computer Vision and Pattern Recognition · Computer Science 2020-11-22 Xi Mo , Usman Sajid , Guanghui Wang

We present a method for detecting and mapping trees in noisy stereo camera point clouds, using a learned 3-D object detector. Inspired by recent advancements in 3-D object detection using a pseudo-lidar representation for stereo data, we…

Robotics · Computer Science 2021-03-31 Brian H. Wang , Carlos Diaz-Ruiz , Jacopo Banfi , Mark Campbell

Perception and localization are essential for autonomous delivery vehicles, mostly estimated from 3D LiDAR sensors due to their precise distance measurement capability. This paper presents a strategy to obtain the real-time pseudo point…

Computer Vision and Pattern Recognition · Computer Science 2022-05-18 Sabir Hossain , Xianke Lin

3D object detection is essential for autonomous systems, enabling precise localization and dimension estimation. While LiDAR and RGB cameras are widely used, their fixed frame rates create perception gaps in high-speed scenarios. Event…

Computer Vision and Pattern Recognition · Computer Science 2025-08-05 Jae-Young Kang , Hoonhee Cho , Kuk-Jin Yoon

State-of-the-art methods for driving-scene LiDAR-based perception (including point cloud semantic segmentation, panoptic segmentation and 3D detection, \etc) often project the point clouds to 2D space and then process them via 2D…

Computer Vision and Pattern Recognition · Computer Science 2021-09-14 Xinge Zhu , Hui Zhou , Tai Wang , Fangzhou Hong , Wei Li , Yuexin Ma , Hongsheng Li , Ruigang Yang , Dahua Lin

We propose a 3D object detection system with multi-sensor refinement in the context of autonomous driving. In our framework, the monocular camera serves as the fundamental sensor for 2D object proposal and initial 3D bounding box…

Computer Vision and Pattern Recognition · Computer Science 2019-11-20 Peiliang Li , Siqi Liu , Shaojie Shen

As a crucial task of autonomous driving, 3D object detection has made great progress in recent years. However, monocular 3D object detection remains a challenging problem due to the unsatisfactory performance in depth estimation. Most…

Computer Vision and Pattern Recognition · Computer Science 2024-04-25 Yinmin Zhang , Xinzhu Ma , Shuai Yi , Jun Hou , Zhihui Wang , Wanli Ouyang , Dan Xu

Estimating accurate lane lines in 3D space remains challenging due to their sparse and slim nature. Previous works mainly focused on using images for 3D lane detection, leading to inherent projection error and loss of geometry information.…

Computer Vision and Pattern Recognition · Computer Science 2023-08-10 Yueru Luo , Xu Yan , Chaoda Zheng , Chao Zheng , Shuqi Mei , Tang Kun , Shuguang Cui , Zhen Li

We present an efficient 3D object detection framework based on a single RGB image in the scenario of autonomous driving. Our efforts are put on extracting the underlying 3D information in a 2D image and determining the accurate 3D bounding…

Computer Vision and Pattern Recognition · Computer Science 2019-03-28 Buyu Li , Wanli Ouyang , Lu Sheng , Xingyu Zeng , Xiaogang Wang

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…

Computer Vision and Pattern Recognition · Computer Science 2022-05-05 Lin Bai , Yiming Zhao , Xinming Huang

LiDAR-driven 3D sensing allows new generations of vehicles to achieve advanced levels of situation awareness. However, recent works have demonstrated that physical adversaries can spoof LiDAR return signals and deceive 3D object detectors…

Cryptography and Security · Computer Science 2021-05-04 Zhongyuan Hau , Soteris Demetriou , Luis Muñoz-González , Emil C. Lupu