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We present CpT: Convolutional point Transformer - a novel deep learning architecture for dealing with the unstructured nature of 3D point cloud data. CpT is an improvement over existing attention-based Convolutions Neural Networks as well…

计算机视觉与模式识别 · 计算机科学 2021-11-23 Chaitanya Kaul , Joshua Mitton , Hang Dai , Roderick Murray-Smith

To address the issues of the existing frustum-based methods' underutilization of image information in road three-dimensional object detection as well as the lack of research on agricultural scenes, we constructed an object detection dataset…

计算机视觉与模式识别 · 计算机科学 2025-03-19 Lili Yang , Mengshuai Chang , Xiao Guo , Yuxin Feng , Yiwen Mei , Caicong Wu

Autonomous vehicles were experiencing rapid development in the past few years. However, achieving full autonomy is not a trivial task, due to the nature of the complex and dynamic driving environment. Therefore, autonomous vehicles are…

计算机视觉与模式识别 · 计算机科学 2021-04-08 Yaodong Cui , Ren Chen , Wenbo Chu , Long Chen , Daxin Tian , Ying Li , Dongpu Cao

We present a method that detects boundaries of parts in 3D shapes represented as point clouds. Our method is based on a graph convolutional network architecture that outputs a probability for a point to lie in an area that separates two or…

计算机视觉与模式识别 · 计算机科学 2020-07-16 Marios Loizou , Melinos Averkiou , Evangelos Kalogerakis

To achieve reliable and precise scene understanding, autonomous vehicles typically incorporate multiple sensing modalities to capitalize on their complementary attributes. However, existing cross-modal 3D detectors do not fully utilize the…

计算机视觉与模式识别 · 计算机科学 2023-10-20 Yifan Zhang , Qijian Zhang , Junhui Hou , Yixuan Yuan , Guoliang Xing

LiDAR-based 3D object detection plays a crucial role in modern autonomous driving systems. LiDAR data often exhibit severe changes in properties across different observation ranges. In this paper, we explore cross-range adaptation for 3D…

计算机视觉与模式识别 · 计算机科学 2019-09-27 Ze Wang , Sihao Ding , Ying Li , Minming Zhao , Sohini Roychowdhury , Andreas Wallin , Guillermo Sapiro , Qiang Qiu

In this paper we propose to exploit multiple related tasks for accurate multi-sensor 3D object detection. Towards this goal we present an end-to-end learnable architecture that reasons about 2D and 3D object detection as well as ground…

计算机视觉与模式识别 · 计算机科学 2020-12-24 Ming Liang , Bin Yang , Yun Chen , Rui Hu , Raquel Urtasun

In this paper we present our research on the optimisation of a deep neural network for 3D object detection in a point cloud. Techniques like quantisation and pruning available in the Brevitas and PyTorch tools were used. We performed the…

计算机视觉与模式识别 · 计算机科学 2021-03-30 Joanna Stanisz , Konrad Lis , Tomasz Kryjak , Marek Gorgon

Object detection in point cloud data is one of the key components in computer vision systems, especially for autonomous driving applications. In this work, we present Voxel-FPN, a novel one-stage 3D object detector that utilizes raw data…

计算机视觉与模式识别 · 计算机科学 2019-07-17 Bei Wang , Jianping An , Jiayan Cao

Point clouds are the native output of many real-world 3D sensors. To borrow the success of 2D convolutional network architectures, a majority of popular 3D perception models voxelize the points, which can result in a loss of local geometric…

计算机视觉与模式识别 · 计算机科学 2019-07-31 Yuwen Xiong , Mengye Ren , Renjie Liao , Kelvin Wong , Raquel Urtasun

Object detection is a significant field in autonomous driving. Popular sensors for this task include cameras and LiDAR sensors. LiDAR sensors offer several advantages, such as insensitivity to light changes, like in a dark setting and the…

计算机视觉与模式识别 · 计算机科学 2024-12-10 Itay Krispin-Avraham , Roy Orfaig , Ben-Zion Bobrovsky

A promising direction for pre-training 3D point clouds is to leverage the massive amount of data in 2D, whereas the domain gap between 2D and 3D creates a fundamental challenge. This paper proposes a novel approach to point-cloud…

计算机视觉与模式识别 · 计算机科学 2024-04-30 Siming Yan , Chen Song , Youkang Kong , Qixing Huang

The goal of this paper is to perform 3D object detection in the context of autonomous driving. Our method first aims at generating a set of high-quality 3D object proposals by exploiting stereo imagery. We formulate the problem as…

计算机视觉与模式识别 · 计算机科学 2017-04-26 Xiaozhi Chen , Kaustav Kundu , Yukun Zhu , Huimin Ma , Sanja Fidler , Raquel Urtasun

Cloud detection in satellite images is an important first-step in many remote sensing applications. This problem is more challenging when only a limited number of spectral bands are available. To address this problem, a deep learning-based…

计算机视觉与模式识别 · 计算机科学 2019-01-30 Sorour Mohajerani , Parvaneh Saeedi

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

For autonomous vehicles to be able to operate successfully they need to be aware of other vehicles with sufficient time to make safe, stable plans. Given the possible closing speeds between two vehicles, this necessitates the ability to…

机器人学 · 计算机科学 2019-05-20 Simon Chadwick , Will Maddern , Paul Newman

3D object detection often involves complicated training and testing pipelines, which require substantial domain knowledge about individual datasets. Inspired by recent non-maximum suppression-free 2D object detection models, we propose a 3D…

计算机视觉与模式识别 · 计算机科学 2021-10-14 Yue Wang , Justin Solomon

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…

计算机视觉与模式识别 · 计算机科学 2022-04-22 Zehui Chen , Zhenyu Li , Shiquan Zhang , Liangji Fang , Qinghong Jiang , Feng Zhao , Bolei Zhou , Hang Zhao

Accurate detection of 3D objects is a fundamental problem in computer vision and has an enormous impact on autonomous cars, augmented/virtual reality and many applications in robotics. In this work we present a novel fusion of neural…

计算机视觉与模式识别 · 计算机科学 2019-04-17 Martin Simon , Karl Amende , Andrea Kraus , Jens Honer , Timo Sämann , Hauke Kaulbersch , Stefan Milz , Horst Michael Gross

Although LiDAR sensors are crucial for autonomous systems due to providing precise depth information, they struggle with capturing fine object details, especially at a distance, due to sparse and non-uniform data. Recent advances introduced…

计算机视觉与模式识别 · 计算机科学 2023-09-19 Tiago Cortinhal , Idriss Gouigah , Eren Erdal Aksoy