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Dense real-time tracking and mapping from RGB-D images is an important tool for many robotic applications, such as navigation and manipulation. The recently presented Directional Truncated Signed Distance Function (DTSDF) is an augmentation…

Computer Vision and Pattern Recognition · Computer Science 2023-01-31 Malte Splietker , Sven Behnke

Having good knowledge of terrain information is essential for improving the performance of various downstream tasks on complex terrains, especially for the locomotion and navigation of legged robots. We present a novel framework for neural…

Robotics · Computer Science 2024-03-13 Bowen Yang , Qingwen Zhang , Ruoyu Geng , Lujia Wang , Ming Liu

For the last 140 years, the mechanisms of transport and dissipation of energy in a turbulent flow have not been completely understood. Previous research has focused on analyzing the so-called coherent structures, organized flow patterns…

Fluid Dynamics · Physics 2025-10-20 Andrés Cremades , Sergio Hoyas , Ricardo Vinuesa

Point cloud analysis without pose priors is very challenging in real applications, as the orientations of point clouds are often unknown. In this paper, we propose a brand new point-set learning framework PRIN, namely, Point-wise Rotation…

Computer Vision and Pattern Recognition · Computer Science 2021-11-23 Yang You , Yujing Lou , Ruoxi Shi , Qi Liu , Yu-Wing Tai , Lizhuang Ma , Weiming Wang , Cewu Lu

Earthquake-related phenomena such as seismic waves and crustal deformation impact broad regions, requiring large-scale modeling with careful treatment of artificial outer boundaries. Physics-informed neural networks (PINNs) have been…

This article introduces a novel approach to constructing a topometric map that allows for efficient navigation and decision-making in mobile robotics applications. The method generates the topometric map from a 2D grid-based map. The…

Robotics · Computer Science 2024-06-18 Scott Fredriksson , Akshit Saradagi , George Nikolakopoulos

Hyperuniform structures are disordered, correlated systems in which density fluctuations are suppressed at large scales. Such a property generalizes the concept of order in patterns and is relevant across diverse physical systems. We…

Soft Condensed Matter · Physics 2025-09-09 Abel H. G. Milor , Otto Sumray , Heather A. Harrington , Axel Voigt , Marco Salvalaglio

Anomaly Detection involves identifying deviations from normal data distributions and is critical in fields such as medical diagnostics and industrial defect detection. Traditional AD methods typically require the availability of normal…

Computer Vision and Pattern Recognition · Computer Science 2025-08-12 Alireza Salehi , Mohammadreza Salehi , Reshad Hosseini , Cees G. M. Snoek , Makoto Yamada , Mohammad Sabokrou

The unsupervised anomaly localization task faces the challenge of missing anomaly sample training, detecting multiple types of anomalies, and dealing with the proportion of the area of multiple anomalies. A separate teacher-student feature…

Computer Vision and Pattern Recognition · Computer Science 2022-12-14 Chao Hu , Shengxin Lai

For decades, solutions to regional scale landslide prediction have mostly relied on data-driven models, by definition, disconnected from the physics of the failure mechanism. The success and spread of such tools came from the ability to…

Geophysics · Physics 2024-12-04 Ashok Dahal , Luigi Lombardo

Buildings' segmentation is a fundamental task in the field of earth observation and aerial imagery analysis. Most existing deep learning-based methods in the literature can be applied to a fixed or narrow-range spatial resolution imagery.…

Computer Vision and Pattern Recognition · Computer Science 2023-10-04 Hasan Nasrallah , Mustafa Shukor , Ali J. Ghandour

Deep features have been proven powerful in building accurate dense semantic correspondences in various previous works. However, the multi-scale and pyramidal hierarchy of convolutional neural networks has not been well studied to learn…

Computer Vision and Pattern Recognition · Computer Science 2021-08-30 Dongyang Zhao , Ziyang Song , Zhenghao Ji , Gangming Zhao , Weifeng Ge , Yizhou Yu

Image matching, which establishes correspondences between two-view images to recover 3D structure and camera geometry, serves as a cornerstone in computer vision and underpins a wide range of applications, including visual localization, 3D…

Computer Vision and Pattern Recognition · Computer Science 2025-06-06 Shihua Zhang , Zizhuo Li , Kaining Zhang , Yifan Lu , Yuxin Deng , Linfeng Tang , Xingyu Jiang , Jiayi Ma

We propose Deep Estimators of Features (DEFs), a learning-based framework for predicting sharp geometric features in sampled 3D shapes. Differently from existing data-driven methods, which reduce this problem to feature classification, we…

Computer Vision and Pattern Recognition · Computer Science 2022-05-27 Albert Matveev , Ruslan Rakhimov , Alexey Artemov , Gleb Bobrovskikh , Vage Egiazarian , Emil Bogomolov , Daniele Panozzo , Denis Zorin , Evgeny Burnaev

For uncertainty propagation of highly complex and/or nonlinear problems, one must resort to sample-based non-intrusive approaches [1]. In such cases, minimizing the number of function evaluations required to evaluate the response surface is…

Numerical Analysis · Mathematics 2017-12-04 Anindya Bhaduri , Lori Graham-Brady

Tomography is a widely used tool for analyzing microstructures in three dimensions (3D). The analysis, however, faces difficulty because the constituent materials produce similar grey-scale values. Sometimes, this prompts the image…

Materials Science · Physics 2021-09-28 Anand V. Patel , Tao Hou , Juan D. Beltran Rodriguez , Tamal K. Dey , Dunbar P. Birnie

Spatial transcriptomics clustering is pivotal for identifying cell subpopulations by leveraging spatial location information. While recent graph-based methods modeling cell-cell interactions have improved clustering accuracy, they remain…

Machine Learning · Computer Science 2026-01-21 Chenkai Guo , Yikai Zhu , Renxiang Guan , Jinli Ma , Siwei Wang , Ke Liang , Guangdun Peng , Dayu Hu

A sparse modeling approach is proposed for analyzing scanning tunneling microscopy topography data, which contains numerous peaks corresponding to surface atoms. The method, based on the relevance vector machine with $\mathrm{L}_1$…

Data Analysis, Statistics and Probability · Physics 2018-03-13 Masamichi J. Miyama , Koji Hukushima

Dense image alignment from RGB-D images remains a critical issue for real-world applications, especially under challenging lighting conditions and in a wide baseline setting. In this paper, we propose a new framework to learn a pixel-wise…

Computer Vision and Pattern Recognition · Computer Science 2020-11-30 Binbin Xu , Andrew J. Davison , Stefan Leutenegger

Landslide monitoring is essential for understanding geohazards and mitigating associated risks. Existing point cloud-based methods, however, typically rely on either geometric or radiometric information and often yield sparse or non-3D…

Computer Vision and Pattern Recognition · Computer Science 2026-01-12 Zhaoyi Wang , Jemil Avers Butt , Shengyu Huang , Tomislav Medic , Andreas Wieser