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Related papers: TARS: Traffic-Aware Radar Scene Flow Estimation

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Existing work on scene flow estimation focuses on autonomous driving and mobile robotics, while automated solutions are lacking for motion in nature, such as that exhibited by debris flows. We propose DEFLOW, a model for 3D motion…

Computer Vision and Pattern Recognition · Computer Science 2023-04-06 Liyuan Zhu , Yuru Jia , Shengyu Huang , Nicholas Meyer , Andreas Wieser , Konrad Schindler , Jordan Aaron

Making predictions of future frames is a critical challenge in autonomous driving research. Most of the existing methods for video prediction attempt to generate future frames in simple and fixed scenes. In this paper, we propose a novel…

Computer Vision and Pattern Recognition · Computer Science 2018-06-01 Henglai Wei , Xiaochuan Yin , Penghong Lin

Given two consecutive RGB-D images, we propose a model that estimates a dense 3D motion field, also known as scene flow. We take advantage of the fact that in robot manipulation scenarios, scenes often consist of a set of rigidly moving…

Robotics · Computer Science 2018-07-25 Lin Shao , Parth Shah , Vikranth Dwaracherla , Jeannette Bohg

We present an algorithm (SOFAS) to estimate the optical flow of events generated by a dynamic vision sensor (DVS). Where traditional cameras produce frames at a fixed rate, DVSs produce asynchronous events in response to intensity changes…

Computer Vision and Pattern Recognition · Computer Science 2018-06-01 Timo Stoffregen , Lindsay Kleeman

Scene text detection has received attention for years and achieved an impressive performance across various benchmarks. In this work, we propose an efficient and accurate approach to detect multioriented text in scene images. The proposed…

Computer Vision and Pattern Recognition · Computer Science 2020-02-11 Liang Zhang , Yufei Liu , Hang Xiao , Lu Yang , Guangming Zhu , Syed Afaq Shah , Mohammed Bennamoun , Peiyi Shen

Accurate traffic flow estimation and prediction are critical for the efficient management of transportation systems, particularly under increasing urbanization. Traditional methods relying on static sensors often suffer from limited spatial…

Machine Learning · Computer Science 2025-03-19 Jake Rap , Amritam Das

Gathering data and identifying events in various traffic situations remains an essential challenge for the systematic evaluation of a perception system's performance. Analyzing large-scale, typically unstructured, multi-modal, time series…

Computer Vision and Pattern Recognition · Computer Science 2024-08-05 Tayssir Bouraffa , Elias Kjellberg Carlson , Erik Wessman , Ali Nouri , Pierre Lamart , Christian Berger

In recent years, the LiDAR images, as a 2D compact representation of 3D LiDAR point clouds, are widely applied in various tasks, e.g., 3D semantic segmentation, LiDAR point cloud compression (PCC). Among these works, the optical flow…

Image and Video Processing · Electrical Eng. & Systems 2021-08-31 Xuezhou Guo , Xuhu Lin , Lili Zhao , Zezhi Zhu , Jianwen Chen

The increasing number of cameras and a handful of human operators to monitor the video inputs from hundreds of cameras leave the system ill equipped to fulfil the task of detecting anomalies. Thus, there is a dire need to automatically…

Computer Vision and Pattern Recognition · Computer Science 2014-10-16 Mei Kuan Lim , Chee Seng Chan , Dorothy Monekosso , Paolo Remagnino

Service mobile robots are often required to avoid dynamic objects while performing their tasks, but they usually have only limited computational resources. To further advance the practical application of service robots in complex dynamic…

Robotics · Computer Science 2026-02-25 Yushen He , Lei Zhao , Tianchen Deng , Zipeng Fang , Weidong Chen

Despite rapid developments in visual image-based road detection, robustly identifying road areas in visual images remains challenging due to issues like illumination changes and blurry images. To this end, LiDAR sensor data can be…

Computer Vision and Pattern Recognition · Computer Science 2019-05-17 Zhe Chen , Jing Zhang , Dacheng Tao

Neural Scene Flow Prior (NSFP) is of significant interest to the vision community due to its inherent robustness to out-of-distribution (OOD) effects and its ability to deal with dense lidar points. The approach utilizes a coordinate neural…

Computer Vision and Pattern Recognition · Computer Science 2023-08-30 Xueqian Li , Jianqiao Zheng , Francesco Ferroni , Jhony Kaesemodel Pontes , Simon Lucey

Neural Scene Flow Prior (NSFP) and Fast Neural Scene Flow (FNSF) have shown remarkable adaptability in the context of large out-of-distribution autonomous driving. Despite their success, the underlying reasons for their astonishing…

Computer Vision and Pattern Recognition · Computer Science 2024-03-26 Dongrui Liu , Daqi Liu , Xueqian Li , Sihao Lin , Hongwei xie , Bing Wang , Xiaojun Chang , Lei Chu

Scene flow represents the 3D motion of every point in the dynamic environments. Like the optical flow that represents the motion of pixels in 2D images, 3D motion representation of scene flow benefits many applications, such as autonomous…

Computer Vision and Pattern Recognition · Computer Science 2021-06-09 Guangming Wang , Xinrui Wu , Zhe Liu , Hesheng Wang

We present Multi-Layer Intensity Map, a novel 3D object representation for robot perception and autonomous navigation. Intensity maps consist of multiple stacked layers of 2D grid maps each derived from reflected point cloud intensities…

Robotics · Computer Science 2023-09-29 Adarsh Jagan Sathyamoorthy , Kasun Weerakoon , Mohamed Elnoor , Dinesh Manocha

We consider the problem of intelligently navigating through complex traffic. Urban situations are defined by the underlying map structure and special regulatory objects of e.g. a stop line or crosswalk. Thereon dynamic vehicles (cars,…

Robotics · Computer Science 2023-03-15 Tim Puphal , Benedict Flade , Daan de Geus , Julian Eggert

The last decades have witnessed the breakthrough of autonomous vehicles (AVs), and the perception capabilities of AVs have been dramatically improved. Various sensors installed on AVs, including, but are not limited to, LiDAR, radar, camera…

Signal Processing · Electrical Eng. & Systems 2019-10-08 Wei Ma , Sean Qian

We present STaR, a novel method that performs Self-supervised Tracking and Reconstruction of dynamic scenes with rigid motion from multi-view RGB videos without any manual annotation. Recent work has shown that neural networks are…

Computer Vision and Pattern Recognition · Computer Science 2021-01-06 Wentao Yuan , Zhaoyang Lv , Tanner Schmidt , Steven Lovegrove

The 3D object detection capabilities in urban environments have been enormously improved by recent developments in Light Detection and Range (LiDAR) technology. This paper presents a novel framework that transforms the detection and…

Computer Vision and Pattern Recognition · Computer Science 2024-05-24 Nawfal Guefrachi , Hakim Ghazzai , Ahmad Alsharoa

Place recognition is essential for achieving closed-loop or global positioning in autonomous vehicles and mobile robots. Despite recent advancements in place recognition using 2D cameras or 3D LiDAR, it remains to be seen how to use 4D…

Robotics · Computer Science 2025-04-08 Shouyi Lu , Guirong Zhuo , Haitao Wang , Quan Zhou , Huanyu Zhou , Renbo Huang , Minqing Huang , Lianqing Zheng , Qiang Shu