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This work provides a theoretical analysis for optimally solving the pose estimation problem using total least squares for vector observations from landmark features, which is central to applications involving simultaneous localization and…

Robotics · Computer Science 2022-10-24 Saeed Maleki , Adhiti Raman , Yang Cheng , John Crassidis , Matthias Schmid

This paper introduces a learning-based control framework for a soft robotic actuator system designed to modulate intracranial pressure (ICP) waveforms, which is essential for studying cerebrospinal fluid dynamics and pathological processes…

Processing point clouds using deep neural networks is still a challenging task. Most existing models focus on object detection and registration with deep neural networks using point clouds. In this paper, we propose a deep model that learns…

Computer Vision and Pattern Recognition · Computer Science 2021-03-08 Farzan Erlik Nowruzi , Dhanvin Kolhatkar , Prince Kapoor , Robert Laganiere

In this paper, we address the fusion problem in wireless sensor networks, where the cross-correlation between the estimates is unknown. To solve the problem within the Bayesian framework, we assume that the covariance matrix has a prior…

Information Theory · Computer Science 2015-09-14 Zhiyuan Weng , Petar Djuric

We present a novel approach to perform ground-based estimation and prediction of the surface solar irradiance with the view to predicting photovoltaic energy production. We propose the use of mini-batch k-means clustering to extract…

Computer Vision and Pattern Recognition · Computer Science 2018-12-27 Mehdi Zakroum , Mounir Ghogho , Mustapha Faqir , Mohamed Aymane Ahajjam

Point clouds are collected nowadays from a plethora of sensors, some having higher accuracies and higher costs, some having lower accuracies but also lower costs. Not only there is a large choice for different sensors, but also these can be…

Computer Vision and Pattern Recognition · Computer Science 2024-06-18 Francesco Pirotti , Alberto Guarnieri , Sebastiano Chiodini , Carlo Bettanini

In this paper, we propose an algorithm for registering sequential bounding boxes with point cloud streams. Unlike popular point cloud registration techniques, the alignment of the point cloud and the bounding box can rely on the properties…

Computer Vision and Pattern Recognition · Computer Science 2024-09-17 Xuesong Li , Xinge Zhu , Yuexin Ma , Subhan Khan , Jose Guivant

Despite significant progress in image-based 3D scene flow estimation, the performance of such approaches has not yet reached the fidelity required by many applications. Simultaneously, these applications are often not restricted to…

Computer Vision and Pattern Recognition · Computer Science 2019-01-08 Aseem Behl , Despoina Paschalidou , Simon Donné , Andreas Geiger

This paper presents a new recursive information consensus filter for decentralized dynamic-state estimation. No structure is assumed about the topology of the network and local estimators are assumed to have access only to local…

Systems and Control · Computer Science 2016-03-04 Amirhossein Tamjidi , Suman Chakravorty , Dylan Shell

The estimation of phase errors from digital-holography data is critical for applications such as imaging or wave-front sensing. Conventional techniques require multiple i.i.d. data and perform poorly in the presence of high noise or large…

Data Analysis, Statistics and Probability · Physics 2017-10-11 Casey J. Pellizzari , Mark F. Spencer , Charles A. Bouman

This paper presents a novel deep-learning-based approach to improve localizing radar measurements against lidar maps. This radar-lidar localization leverages the benefits of both sensors; radar is resilient against adverse weather, while…

Robotics · Computer Science 2025-05-28 Daniil Lisus , Johann Laconte , Keenan Burnett , Ziyu Zhang , Timothy D. Barfoot

While several convolution-like operators have recently been proposed for extracting features out of point clouds, down-sampling an unordered point cloud in a deep neural network has not been rigorously studied. Existing methods down-sample…

Computer Vision and Pattern Recognition · Computer Science 2020-05-27 Ehsan Nezhadarya , Ehsan Taghavi , Ryan Razani , Bingbing Liu , Jun Luo

Registration is a fundamental but critical task in point cloud processing, which usually depends on finding element correspondence from two point clouds. However, the finding of reliable correspondence relies on establishing a robust and…

Computer Vision and Pattern Recognition · Computer Science 2022-02-16 Rong Huang , Wei Yao , Yusheng Xu , Zhen Ye , Uwe Stilla

Perception modules are integral in many modern autonomous systems, but their accuracy can be subject to the vagaries of the environment. In this paper, we propose a learning-based approach that can automatically characterize the error of a…

Robotics · Computer Science 2024-03-05 Dawei Sun , Benjamin C. Yang , Sayan Mitra

Deep learning-based feature matching has shown great superiority for point cloud registration in the absence of pose priors. Although coarse-to-fine matching approaches are prevalent, the coarse matching of existing methods is typically…

Computer Vision and Pattern Recognition · Computer Science 2024-10-15 Renlang Huang , Yufan Tang , Jiming Chen , Liang Li

Linear fusion is a cornerstone of estimation theory. Implementing optimal linear fusion requires knowledge of the covariance of the vector of errors associated with all the estimators. In distributed or cooperative systems, the…

Signal Processing · Electrical Eng. & Systems 2025-01-15 Colin Cros , Pierre-Olivier Amblard , Christophe Prieur , Jean-François Da Rocha

Image reconstruction methods based on deep neural networks have shown outstanding performance, equalling or exceeding the state-of-the-art results of conventional approaches, but often do not provide uncertainty information about the…

Computer Vision and Pattern Recognition · Computer Science 2020-12-01 Riccardo Barbano , Željko Kereta , Chen Zhang , Andreas Hauptmann , Simon Arridge , Bangti Jin

The goal of this paper is to address the problem of global point cloud registration (PCR) i.e., finding the optimal alignment between point clouds irrespective of the initial poses of the scans. This problem is notoriously challenging for…

Computer Vision and Pattern Recognition · Computer Science 2024-08-15 Stefanos Pertigkiozoglou , Evangelos Chatzipantazis , Kostas Daniilidis

We present a learning-based method for 6 DoF pose estimation of rigid objects in point cloud data. Many recent learning-based approaches use primarily RGB information for detecting objects, in some cases with an added refinement step using…

Computer Vision and Pattern Recognition · Computer Science 2020-06-18 Frederik Hagelskjær , Anders Glent Buch

In this paper, we propose a novel learning-based pipeline for partially overlapping 3D point cloud registration. The proposed model includes an iterative distance-aware similarity matrix convolution module to incorporate information from…

Computer Vision and Pattern Recognition · Computer Science 2020-08-07 Jiahao Li , Changhao Zhang , Ziyao Xu , Hangning Zhou , Chi Zhang