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In recent years 3D object detection from LiDAR point clouds has made great progress thanks to the development of deep learning technologies. Although voxel or point based methods are popular in 3D object detection, they usually involve…

Computer Vision and Pattern Recognition · Computer Science 2022-07-18 Jiaqi Gu , Zhiyu Xiang , Pan Zhao , Tingming Bai , Lingxuan Wang , Xijun Zhao , Zhiyuan Zhang

Smart monitoring using three-dimensional (3D) image sensors has been attracting attention in the context of smart cities. In smart monitoring, object detection from point cloud data acquired by 3D image sensors is implemented for detecting…

Computer Vision and Pattern Recognition · Computer Science 2022-09-27 Kairi Tokuda , Ryoichi Shinkuma , Takehiro Sato , Eiji Oki

On-board 3D object detection in autonomous vehicles often relies on geometry information captured by LiDAR devices. Albeit image features are typically preferred for detection, numerous approaches take only spatial data as input. Exploiting…

Computer Vision and Pattern Recognition · Computer Science 2020-03-10 Alejandro Barrera , Carlos Guindel , Jorge Beltrán , Fernando García

Object detection and classification is one of the most important computer vision problems. Ever since the introduction of deep learning \cite{krizhevsky2012imagenet}, we have witnessed a dramatic increase in the accuracy of this object…

Computer Vision and Pattern Recognition · Computer Science 2018-11-20 Gurjeet Singh , Sun Miao , Shi Shi , Patrick Chiang

3D object detection aims to predict object centers, dimensions, and rotations from LiDAR point clouds. Despite its simplicity, LiDAR captures only the near side of objects, making center-based detectors prone to poor localization accuracy…

Computer Vision and Pattern Recognition · Computer Science 2025-04-04 Ruixiao Zhang , Runwei Guan , Xiangyu Chen , Adam Prugel-Bennett , Xiaohao Cai

Tracking of objects in 3D is a fundamental task in computer vision that finds use in a wide range of applications such as autonomous driving, robotics or augmented reality. Most recent approaches for 3D multi object tracking (MOT) from…

Computer Vision and Pattern Recognition · Computer Science 2021-04-26 Jan-Nico Zaech , Dengxin Dai , Alexander Liniger , Martin Danelljan , Luc Van Gool

Group regression is commonly used in 3D object detection to predict box parameters of similar classes in a joint head, aiming to benefit from similarities while separating highly dissimilar classes. For query-based perception methods, this…

Machine Learning · Computer Science 2023-08-29 Felicia Ruppel , Florian Faion , Claudius Gläser , Klaus Dietmayer

Adverse weather conditions can negatively affect LiDAR-based object detectors. In this work, we focus on the phenomenon of vehicle gas exhaust condensation in cold weather conditions. This everyday effect can influence the estimation of…

Computer Vision and Pattern Recognition · Computer Science 2022-07-26 Aldi Piroli , Vinzenz Dallabetta , Marc Walessa , Daniel Meissner , Johannes Kopp , Klaus Dietmayer

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…

Computer Vision and Pattern Recognition · Computer Science 2020-04-27 Xuanyu YIN , Yoko SASAKI , Weimin WANG , Kentaro SHIMIZU

This paper introduces a novel weighted unsupervised learning for object detection using an RGB-D camera. This technique is feasible for detecting the moving objects in the noisy environments that are captured by an RGB-D camera. The main…

Computer Vision and Pattern Recognition · Computer Science 2018-10-24 Kamran Kowsari , Manal H. Alassaf

This paper presents a methodology for image classification using Graph Neural Network (GNN) models. We transform the input images into region adjacency graphs (RAGs), in which regions are superpixels and edges connect neighboring…

Machine Learning · Computer Science 2020-11-17 Pedro H. C. Avelar , Anderson R. Tavares , Thiago L. T. da Silveira , Cláudio R. Jung , Luís C. Lamb

Narrowing the performance gap between optimal and feasible detection in inter-symbol interference (ISI) channels, this paper proposes to use graph neural networks (GNNs) for detection that can also be used to perform joint detection and…

Information Theory · Computer Science 2025-07-16 Jannis Clausius , Marvin Rübenacke , Daniel Tandler , Stephan ten Brink

Object detection through either RGB images or the LiDAR point clouds has been extensively explored in autonomous driving. However, it remains challenging to make these two data sources complementary and beneficial to each other. In this…

Computer Vision and Pattern Recognition · Computer Science 2022-04-22 Zehui Chen , Zhenyu Li , Shiquan Zhang , Liangji Fang , Qinghong Jiang , Feng Zhao , Bolei Zhou , Hang Zhao

In recent years, the field of autonomous driving has witnessed remarkable advancements, driven by the integration of a multitude of sensors, including cameras and LiDAR systems, in different prototypes. However, with the proliferation of…

Computer Vision and Pattern Recognition · Computer Science 2023-10-10 Irene Cortés , Jorge Beltrán , Arturo de la Escalera , Fernando García

Robust 3D object detection is a core challenge for autonomous mobile systems in field robotics. To tackle this issue, many researchers have demonstrated improvements in 3D object detection performance in datasets. However, real-world urban…

Robotics · Computer Science 2024-04-23 Eunho Lee , Minwoo Jung , Ayoung Kim

We propose a method for joint detection and tracking of multiple objects in 3D point clouds, a task conventionally treated as a two-step process comprising object detection followed by data association. Our method embeds both steps into a…

Computer Vision and Pattern Recognition · Computer Science 2022-11-03 Jyoti Kini , Ajmal Mian , Mubarak Shah

Recent progress on 2D object detection has featured Cascade RCNN, which capitalizes on a sequence of cascade detectors to progressively improve proposal quality, towards high-quality object detection. However, there has not been evidence in…

Computer Vision and Pattern Recognition · Computer Science 2022-11-16 Qi Cai , Yingwei Pan , Ting Yao , Tao Mei

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…

Computer Vision and Pattern Recognition · Computer Science 2021-02-09 Jie Li , Yu Hu

Using deep learning techniques to process 3D objects has achieved many successes. However, few methods focus on the representation of 3D objects, which could be more effective for specific tasks than traditional representations, such as…

Computer Vision and Pattern Recognition · Computer Science 2021-06-01 Siyu Zhang , Hui Cao , Yuqi Liu , Shen Cai , Yanting Zhang , Yuanzhan Li , Xiaoyu Chi

Monocular 3D object detection, with the aim of predicting the geometric properties of on-road objects, is a promising research topic for the intelligent perception systems of autonomous driving. Most state-of-the-art methods follow a…

Computer Vision and Pattern Recognition · Computer Science 2022-01-25 Tianze Gao , Huihui Pan , Huijun Gao