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Visual Odometry (VO) estimation is an important source of information for vehicle state estimation and autonomous driving. Recently, deep learning based approaches have begun to appear in the literature. However, in the context of driving,…

Computer Vision and Pattern Recognition · Computer Science 2021-12-28 Nimet Kaygusuz , Oscar Mendez , Richard Bowden

For intelligent vehicles, sensing the 3D environment is the first but crucial step. In this paper, we build a real-time advanced driver assistance system based on a low-power mobile platform. The system is a real-time multi-scheme…

Computer Vision and Pattern Recognition · Computer Science 2020-01-28 Qiwei Xie , Qian Long , Liming Zhang , Zhao Sun

Due to the severe multipath effect, no satisfactory device-free methods have ever been found for indoor speed estimation problem, especially in non-line-of-sight scenarios, where the direct path between the source and observer is blocked.…

Signal Processing · Electrical Eng. & Systems 2018-04-11 Feng Zhang , Chen Chen , Beibei Wang , K. J. Ray Liu

Soft sensing is a way to indirectly obtain information of signals for which direct sensing is difficult or prohibitively expensive. It may not \textit{a priori} be evident which sensors provide useful information about the target signal,…

Systems and Control · Electrical Eng. & Systems 2024-09-17 Le Wang , Ying Wang , Yu Qiu , Mian Li , Håkan Hjalmarsson

We present a method to improve the accuracy of a zero-velocity-aided inertial navigation system (INS) by replacing the standard zero-velocity detector with a long short-term memory (LSTM) neural network. While existing threshold-based…

Robotics · Computer Science 2019-08-14 Brandon Wagstaff , Jonathan Kelly

We propose a fixed-lag smoother-based sensor fusion architecture to leverage the complementary benefits of range-based sensors and visual-inertial odometry (VIO) for localization. We use two fixed-lag smoothers (FLS) to decouple accurate…

Robotics · Computer Science 2024-01-05 Abhishek Goudar , Wenda Zhao , Angela P. Schoellig

We study methods to estimate drivers' posture in vehicles using acceleration data of wearable sensor and conduct field tests. To prevent fatal accidents, demands for safety management of bus and taxi are high. However, acceleration of…

Computers and Society · Computer Science 2018-09-17 Yoji Yamato

Estimates of road grade/slope can add another dimension of information to existing 2D digital road maps. Integration of road grade information will widen the scope of digital map's applications, which is primarily used for navigation, by…

Signal Processing · Electrical Eng. & Systems 2020-06-09 Abhishek Gupta , Shaohan Hu , Weida Zhong , Adel Sadek , Lu Su , Chunming Qiao

We present parameter learning in a Gaussian variational inference setting using only noisy measurements (i.e., no groundtruth). This is demonstrated in the context of vehicle trajectory estimation, although the method we propose is general.…

Robotics · Computer Science 2020-07-13 Jeremy N. Wong , David J. Yoon , Angela P. Schoellig , Timothy D. Barfoot

Inertial Velocity-Aided Attitude (VAA), the estimation of the velocity and attitude of a vehicle using gyroscope, accelerometer, and inertial-frame velocity (e.g. GPS velocity) measurements, is an important problem in the control of…

Systems and Control · Electrical Eng. & Systems 2026-01-19 Pieter van Goor , Tarek Hamel , Robert Mahony

Winter conditions pose several challenges for automated driving applications. A key challenge during winter is accurate assessment of road surface condition, as its impact on friction is a critical parameter for safely and reliably…

Computer Vision and Pattern Recognition · Computer Science 2024-04-29 Risto Ojala , Alvari Seppänen

The current fusion positioning systems are mainly based on filtering algorithms, such as Kalman filtering or particle filtering. However, the system complexity of practical application scenarios is often very high, such as noise modeling in…

Signal Processing · Electrical Eng. & Systems 2022-09-29 Luchi Hua , Jun Yang

Depth estimation is critical in autonomous driving for interpreting 3D scenes accurately. Recently, radar-camera depth estimation has become of sufficient interest due to the robustness and low-cost properties of radar. Thus, this paper…

Computer Vision and Pattern Recognition · Computer Science 2024-09-02 Huawei Sun , Hao Feng , Julius Ott , Lorenzo Servadei , Robert Wille

This work aims to present a three-dimensional vehicle dynamics state estimation under varying signal quality. Few researchers have investigated the impact of three-dimensional road geometries on the state estimation and, thus, neglect road…

Robotics · Computer Science 2025-01-30 Sven Goblirsch , Marcel Weinmann , Johannes Betz

Vision-based locomotion in outdoor environments presents significant challenges for quadruped robots. Accurate environmental prediction and effective handling of depth sensor noise during real-world deployment remain difficult, severely…

Robotics · Computer Science 2025-09-12 Yueqi Zhang , Quancheng Qian , Taixian Hou , Peng Zhai , Xiaoyi Wei , Kangmai Hu , Jiafu Yi , Lihua Zhang

Rotation speed is a key metric for many applications, such as calibrating electric motors in a factory, monitoring a car's engine health, detecting faults in electrical appliances, and more. However, existing measurement techniques have…

Networking and Internet Architecture · Computer Science 2025-03-17 Rahul Hoskeri , Hua Huang

This paper presents a state-estimation solution for legged robots that uses a set of low-cost, compact, and lightweight sensors to achieve low-drift pose and velocity estimation under challenging locomotion conditions. The key idea is to…

Robotics · Computer Science 2025-07-23 Shuo Yang , Zixin Zhang , John Z. Zhang , Ibrahima Sory Sow , Zachary Manchester

Learning contextual and spatial environmental representations enhances autonomous vehicle's hazard anticipation and decision-making in complex scenarios. Recent perception systems enhance spatial understanding with sensor fusion but often…

Robotics · Computer Science 2024-01-18 Shoaib Azam , Farzeen Munir , Ville Kyrki , Moongu Jeon , Witold Pedrycz

Depth Estimation and Object Detection Recognition play an important role in autonomous driving technology under the guidance of deep learning artificial intelligence. We propose a hybrid structure called RealNet: a co-design method…

Computer Vision and Pattern Recognition · Computer Science 2022-04-26 Zhuohao Li , Fandi Gou , Qixin De , Leqi Ding , Yuanhang Zhang , Yunze Cai

In this paper, we extend the recent body of work on planning under uncertainty to include the fact that sensors may not provide any measurement owing to misdetection. This is caused either by adverse environmental conditions that prevent…

Robotics · Computer Science 2013-09-17 Shaunak D. Bopardikar , Brendan J. Englot , Alberto Speranzon
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