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Making accurate motion prediction of the surrounding traffic agents such as pedestrians, vehicles, and cyclists is crucial for autonomous driving. Recent data-driven motion prediction methods have attempted to learn to directly regress the…

Computer Vision and Pattern Recognition · Computer Science 2021-02-09 Liangji Fang , Qinhong Jiang , Jianping Shi , Bolei Zhou

We present a novel deep learning framework for flow field predictions in irregular domains when the solution is a function of the geometry of either the domain or objects inside the domain. Grid vertices in a computational fluid dynamics…

Machine Learning · Computer Science 2021-09-20 Ali Kashefi , Davis Rempe , Leonidas J. Guibas

Predicting the future behavior of moving agents is essential for real world applications. It is challenging as the intent of the agent and the corresponding behavior is unknown and intrinsically multimodal. Our key insight is that for…

Computer Vision and Pattern Recognition · Computer Science 2020-08-24 Hang Zhao , Jiyang Gao , Tian Lan , Chen Sun , Benjamin Sapp , Balakrishnan Varadarajan , Yue Shen , Yi Shen , Yuning Chai , Cordelia Schmid , Congcong Li , Dragomir Anguelov

Accurate and fast scene understanding is one of the challenging task for autonomous driving, which requires to take full advantage of LiDAR point clouds for semantic segmentation. In this paper, we present a \textbf{concise} and…

Computer Vision and Pattern Recognition · Computer Science 2022-07-27 Hui-Xian Cheng , Xian-Feng Han , Guo-Qiang Xiao

Accurate and reliable 3D detection is vital for many applications including autonomous driving vehicles and service robots. In this paper, we present a flexible and high-performance 3D detection framework, named MPPNet, for 3D temporal…

Computer Vision and Pattern Recognition · Computer Science 2022-09-05 Xuesong Chen , Shaoshuai Shi , Benjin Zhu , Ka Chun Cheung , Hang Xu , Hongsheng Li

Recently, Transformer-based methods for point cloud learning have achieved good results on various point cloud learning benchmarks. However, since the attention mechanism needs to generate three feature vectors of query, key, and value to…

Computer Vision and Pattern Recognition · Computer Science 2023-05-11 Wei Zhou , Weiwei Jin , Qian Wang , Yifan Wang , Dekui Wang , Xingxing Hao , Yongxiang Yu

Autonomous vehicles operate in a dynamic environment, where the speed with which a vehicle can perceive and react impacts the safety and efficacy of the system. LiDAR provides a prominent sensory modality that informs many existing…

Computer Vision and Pattern Recognition · Computer Science 2020-05-06 Wei Han , Zhengdong Zhang , Benjamin Caine , Brandon Yang , Christoph Sprunk , Ouais Alsharif , Jiquan Ngiam , Vijay Vasudevan , Jonathon Shlens , Zhifeng Chen

In recent years, Convolutional Neural Networks (CNN) have proven to be efficient analysis tools for processing point clouds, e.g., for reconstruction, segmentation and classification. In this paper, we focus on the classification of edges…

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…

Computer Vision and Pattern Recognition · Computer Science 2025-11-21 Chenyu Zhao , Xianwei Zheng , Zimin Xia , Linwei Yue , Nan Xue

3D object detection from LiDAR point cloud is a challenging problem in 3D scene understanding and has many practical applications. In this paper, we extend our preliminary work PointRCNN to a novel and strong point-cloud-based 3D object…

Computer Vision and Pattern Recognition · Computer Science 2020-03-17 Shaoshuai Shi , Zhe Wang , Jianping Shi , Xiaogang Wang , Hongsheng Li

Point clouds are a widely available and canonical data modality which convey the 3D geometry of a scene. Despite significant progress in classification and segmentation from point clouds, policy learning from such a modality remains…

Robotics · Computer Science 2022-11-17 Daniel Seita , Yufei Wang , Sarthak J. Shetty , Edward Yao Li , Zackory Erickson , David Held

Three-dimensional (3D) urban models have gained interest because of their applications in many use-cases such as urban planning and virtual reality. However, generating these 3D representations requires LiDAR data, which are not always…

Computer Vision and Pattern Recognition · Computer Science 2022-05-26 Yoones Rezaei , Stephen Lee

Semantic grids can be useful representations of the scene around an autonomous system. By having information about the layout of the space around itself, a robot can leverage this type of representation for crucial tasks such as navigation…

Self-supervised learning has not been fully explored for point cloud analysis. Current frameworks are mainly based on point cloud reconstruction. Given only 3D coordinates, such approaches tend to learn local geometric structures and…

Computer Vision and Pattern Recognition · Computer Science 2022-03-29 Mingye Xu , Yali Wang , Zhipeng Zhou , Hongbin Xu , Yu Qiao

The multi-modal perception methods are thriving in the autonomous driving field due to their better usage of complementary data from different sensors. Such methods depend on calibration and synchronization between sensors to get accurate…

Computer Vision and Pattern Recognition · Computer Science 2024-12-16 Zhihang Song , Lihui Peng , Jianming Hu , Danya Yao , Yi Zhang

The success of deep learning methods led to significant breakthroughs in 3-D point cloud processing tasks with applications in remote sensing. Existing methods utilize convolutions that have some limitations, as they assume a uniform input…

Computer Vision and Pattern Recognition · Computer Science 2021-02-23 Dimple A Shajahan , Mukund Varma T , Ramanathan Muthuganapathy

In the field of autonomous driving and robotics, point clouds are showing their excellent real-time performance as raw data from most of the mainstream 3D sensors. Therefore, point cloud neural networks have become a popular research…

Computer Vision and Pattern Recognition · Computer Science 2022-03-29 Hanxiao Tan

Object detection in three-dimensional (3D) space attracts much interest from academia and industry since it is an essential task in AI-driven applications such as robotics, autonomous driving, and augmented reality. As the basic format of…

Computer Vision and Pattern Recognition · Computer Science 2021-10-15 Shi Qiu , Yunfan Wu , Saeed Anwar , Chongyi Li

With the prevalence of LiDAR sensors in autonomous driving, 3D object tracking has received increasing attention. In a point cloud sequence, 3D object tracking aims to predict the location and orientation of an object in consecutive frames…

Computer Vision and Pattern Recognition · Computer Science 2022-08-11 Zhipeng Luo , Changqing Zhou , Liang Pan , Gongjie Zhang , Tianrui Liu , Yueru Luo , Haiyu Zhao , Ziwei Liu , Shijian Lu

Predicting future 3D LiDAR pointclouds is a challenging task that is useful in many applications in autonomous driving such as trajectory prediction, pose forecasting and decision making. In this work, we propose a new LiDAR prediction…

Computer Vision and Pattern Recognition · Computer Science 2021-02-22 George Eskandar , Alexander Braun , Martin Meinke , Karim Armanious , Bin Yang