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Millimeter wave radar can measure distances, directions, and Doppler velocity for objects in harsh conditions such as fog. The 4D imaging radar with both vertical and horizontal data resembling an image can also measure objects' height.…

Robotics · Computer Science 2023-04-04 Yuan Zhuang , Binliang Wang , Jianzhu Huai , Miao Li

We present GeGnn, a learning-based method for computing the approximate geodesic distance between two arbitrary points on discrete polyhedra surfaces with constant time complexity after fast precomputation. Previous relevant methods either…

Computer Vision and Pattern Recognition · Computer Science 2023-10-05 Bo Pang , Zhongtian Zheng , Guoping Wang , Peng-Shuai Wang

For effective autonomous navigation,estimation of the pose of the robot is essential at every sampling time. For computing an accurate estimation,odometric error needs to be reduced with the help of data from external sensor. In this work,…

Computer Vision and Pattern Recognition · Computer Science 2012-12-07 Debajyoti Banerji , Ranjit Ray , Jhankar Basu , Indrajit Basak

With the development of smart cities, the demand for continuous pedestrian navigation in large-scale urban environments has significantly increased. While global navigation satellite systems (GNSS) provide low-cost and reliable positioning…

Computer Vision and Pattern Recognition · Computer Science 2024-12-17 Liqiang Zhang , Ye Tian , Dongyan Wei

Accurate localization represents a fundamental challenge in robotic navigation. Traditional methodologies, such as Lidar or QR-code based systems, suffer from inherent scalability and adaptability con straints, particularly in complex…

Computer Vision and Pattern Recognition · Computer Science 2025-08-11 Dominik Brämer , Diana Kleingarn , Oliver Urbann

Existing deep embedding methods in vision tasks are capable of learning a compact Euclidean space from images, where Euclidean distances correspond to a similarity metric. To make learning more effective and efficient, hard sample mining is…

Computer Vision and Pattern Recognition · Computer Science 2016-10-28 Chen Huang , Chen Change Loy , Xiaoou Tang

Deployment of legged robots for navigating challenging terrains (e.g., stairs, slopes, and unstructured environments) has gained increasing preference over wheel-based platforms. In such scenarios, accurate odometry estimation is a…

Robotics · Computer Science 2025-11-18 Chiyun Noh , Sangwoo Jung , Hanjun Kim , Yafei Hu , Laura Herlant , Ayoung Kim

This article presents a method for grasping novel objects by learning from experience. Successful attempts are remembered and then used to guide future grasps such that more reliable grasping is achieved over time. To generalise the learned…

Robotics · Computer Science 2020-09-18 Timothy Patten , Kiru Park , Markus Vincze

This paper presents an algorithm that relies on a series of dense and deep neural networks for passive microwave retrieval of precipitation. The neural networks learn from coincidences of brightness temperatures from the Global…

Machine Learning · Computer Science 2022-12-06 Reyhaneh Rahimi , Sajad Vahedizadeh , Ardeshir Ebtehaj

Accurate estimation of subsurface material properties, such as soil moisture, is critical for wildfire risk assessment and precision agriculture. Ground-penetrating radar (GPR) is a non-destructive geophysical technique widely used to…

Signal Processing · Electrical Eng. & Systems 2025-12-22 Zixin Wang , Ishfaq Aziz , Mohamad Alipour

Traditional myoelectric pattern recognition (MPR) systems excel within controlled laboratory environments but they are interfered when confronted with anomaly or novel motions not encountered during the training phase. Utilizing metric ways…

Signal Processing · Electrical Eng. & Systems 2024-06-26 ZongYe Hu , Ge Gao , Xiang Chen , Xu Zhang

LiDAR odometry plays an important role in self-localization and mapping for autonomous navigation, which is usually treated as a scan registration problem. Although having achieved promising performance on KITTI odometry benchmark, the…

Robotics · Computer Science 2022-06-20 Xin Zheng , Jianke Zhu

We consider the problem of positioning a cloud of points in the Euclidean space $\mathbb{R}^d$, using noisy measurements of a subset of pairwise distances. This task has applications in various areas, such as sensor network localization and…

Statistics Theory · Mathematics 2012-11-22 Adel Javanmard , Andrea Montanari

Most mobile robots for indoor use rely on 2D laser scanners for localization, mapping and navigation. These sensors, however, cannot detect transparent surfaces or measure the full occupancy of complex objects such as tables. Deep Neural…

Robotics · Computer Science 2020-09-04 Francesco Verdoja , Jens Lundell , Ville Kyrki

Modern robotic platforms need a reliable localization system to operate daily beside humans. Simple pose estimation algorithms based on filtered wheel and inertial odometry often fail in the presence of abrupt kinematic changes and wheel…

Robotics · Computer Science 2024-02-27 Alessandro Navone , Mauro Martini , Simone Angarano , Marcello Chiaberge

This work presents a comparative study of existing and new techniques to detect knee injuries by leveraging Stanford's MRNet Dataset. All approaches are based on deep learning and we explore the comparative performances of transfer learning…

Image and Video Processing · Electrical Eng. & Systems 2020-10-06 David Azcona , Kevin McGuinness , Alan F. Smeaton

For autonomous ground vehicles (AGVs) deployed in suburban neighborhoods and other human-centric environments the problem of localization remains a fundamental challenge. There are well established methods for localization with GPS, lidar,…

Robotics · Computer Science 2024-05-02 Andrew J. Kramer , Christoffer Heckman

Visual odometry techniques typically rely on feature extraction from a sequence of images and subsequent computation of optical flow. This point-to-point correspondence between two consecutive frames can be costly to compute and suffers…

Computer Vision and Pattern Recognition · Computer Science 2025-12-02 Chenqi Zhu , Levi Burner , Yiannis Aloimonos

The 3D depth estimation and relative pose estimation problem within a decentralized architecture is a challenging problem that arises in missions that require coordination among multiple vision-controlled robots. The depth estimation…

Robotics · Computer Science 2019-08-02 Romulo T. Rodrigues , Pedro Miraldo , Dimos V. Dimarogonas , A. Pedro Aguiar

LiDAR-based place recognition plays a crucial role in Simultaneous Localization and Mapping (SLAM) and LiDAR localization. Despite the emergence of various deep learning-based and hand-crafting-based methods, rotation-induced place…

Computer Vision and Pattern Recognition · Computer Science 2023-08-25 Gengxuan Tian , Junqiao Zhao , Yingfeng Cai , Fenglin Zhang , Wenjie Mu , Chen Ye