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This paper presents DeepI2P: a novel approach for cross-modality registration between an image and a point cloud. Given an image (e.g. from a rgb-camera) and a general point cloud (e.g. from a 3D Lidar scanner) captured at different…

计算机视觉与模式识别 · 计算机科学 2021-04-09 Jiaxin Li , Gim Hee Lee

Point Cloud Registration (PCR) is a fundamental and significant issue in photogrammetry and remote sensing, aiming to seek the optimal rigid transformation between sets of points. Achieving efficient and precise PCR poses a considerable…

计算机视觉与模式识别 · 计算机科学 2024-10-30 Rongling Zhang , Li Yan , Pengcheng Wei , Hong Xie , Pinzhuo Wang , Binbing Wang

In this paper, by modeling the point cloud registration task as a Markov decision process, we propose an end-to-end deep model embedded with the cross-entropy method (CEM) for unsupervised 3D registration. Our model consists of a sampling…

计算机视觉与模式识别 · 计算机科学 2021-09-16 Haobo Jiang , Yaqi Shen , Jin Xie , Jun Li , Jianjun Qian , Jian Yang

Inductive Conformal Prediction (ICP) provides a practical and effective approach for equipping deep learning models with uncertainty estimates in the form of set-valued predictions which are guaranteed to contain the ground truth with high…

机器学习 · 计算机科学 2023-12-11 Apoorva Sharma , Sushant Veer , Asher Hancock , Heng Yang , Marco Pavone , Anirudha Majumdar

An improved Iterative Physical Optics (IPO) image approximation method has been presented to dramatically increase the accuracy of the approximation and extend its applicability to PEC surfaces with smaller radii or larger curvatures.…

经典物理 · 物理学 2020-07-07 Shaolin Liao , Lu Ou

This paper presents a point cloud downsampling algorithm for fast and accurate trajectory optimization based on global registration error minimization. The proposed algorithm selects a weighted subset of residuals of the input point cloud…

机器人学 · 计算机科学 2023-12-27 Kenji Koide , Shuji Oishi , Masashi Yokozuka , Atsuhiko Banno

Multiview point cloud registration serves as a cornerstone of various computer vision tasks. Previous approaches typically adhere to a global paradigm, where a pose graph is initially constructed followed by motion synchronization to…

计算机视觉与模式识别 · 计算机科学 2024-07-11 Shiqi Li , Jihua Zhu , Yifan Xie , Mingchen Zhu

The use of cloud computational resources has become increasingly important for companies and researchers to access on-demand and at any moment high-performance resources. However, given the wide variety of virtual machine types, network…

分布式、并行与集群计算 · 计算机科学 2020-06-30 Vanderson Martins Do Rosario , Thais A. Silva Camacho , Otávio O. Napoli , Edson Borin

We derive a new Bayesian Information Criterion (BIC) by formulating the problem of estimating the number of clusters in an observed data set as maximization of the posterior probability of the candidate models. Given that some mild…

统计理论 · 数学 2018-08-28 Freweyni K. Teklehaymanot , Michael Muma , Abdelhak M. Zoubir

This paper introduces an effective processing framework nominated ICP (Image Cloud Processing) to powerfully cope with the data explosion in image processing field. While most previous researches focus on optimizing the image processing…

计算机视觉与模式识别 · 计算机科学 2016-07-05 Le Dong , Zhiyu Lin , Yan Liang , Ling He , Ning Zhang , Qi Chen , Xiaochun Cao , Ebroul lzquierdo

This paper presents an Improved Bayesian Optimization (IBO) algorithm to solve complex high-dimensional epidemic models' optimal control solution. Evaluating the total objective function value for disease control models with hundreds of…

统计方法学 · 统计学 2021-08-03 Yuyang Chen , Kaiming Bi , Chih-Hang J. Wu , David Ben-Arieh , Ashesh Sinha

Precise management of patients with cerebral diseases often requires intracranial pressure (ICP) monitoring, which is highly invasive and requires a specialized ICU setting. The ability to noninvasively estimate ICP is highly compelling as…

医学物理 · 物理学 2019-08-27 Jian-Xun Wang , Xiao Hu , Shawn C. Shadden

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…

In this paper we present a novel joint approach for optimising surface curvature and pose alignment. We present two implementations of this joint optimisation strategy, including a fast implementation that uses two frames and an offline…

计算机视觉与模式识别 · 计算机科学 2017-07-17 Andrew Spek , Tom Drummond

We present a novel differentiable weighted generalized iterative closest point (WGICP) method applicable to general 3D point cloud data, including that from Lidar. Our method builds on differentiable generalized ICP (GICP), and we propose…

机器人学 · 计算机科学 2022-10-05 Sanghyun Son , Jing Liang , Ming Lin , Dinesh Manocha

In the Canadian's lumber industry, simulators are used to predict the lumbers resulting from the sawing of a log at a given sawmill. Giving a log or several logs' 3D scans as input, simulators perform a real-time job to predict the lumbers.…

计算机视觉与模式识别 · 计算机科学 2017-10-24 Cyrine Selma , Hind Haouzi , Philippe Thomas , Jonathan Gaudreault , Michael Morin

Based on the framework of Conformal Prediction (CP), we study the online construction of confidence sets given a black-box machine learning model. By converting the target confidence levels into quantile levels, the problem can be reduced…

机器学习 · 统计学 2025-05-23 Zhiyu Zhang , Zhou Lu , Heng Yang

Computational simulation is increasingly relied upon for high-consequence engineering decisions, and a foundational element to solid mechanics simulations, such as finite element analysis (FEA), is a credible constitutive or material model.…

计算工程、金融与科学 · 计算机科学 2023-10-30 Denielle Ricciardi , Tom Seidl , Brian Lester , Amanda Jones , Elizabeth Jones

We provide a bird's eye view onto the area of sequential change-point detection. We focus on the discrete-time case with known pre- and post-change data distributions and offer a summary of the forefront asymptotic results established in…

统计理论 · 数学 2013-10-15 Aleksey S. Polunchenko , Grigory Sokolov , Wenyu Du

Computer models, aiming at simulating a complex real system, are often calibrated in the light of data to improve performance. Standard calibration methods assume that the optimal values of calibration parameters are invariant to the model…

统计方法学 · 统计学 2017-09-01 Georgios Karagiannis , Bledar A. Konomi , Guang Lin