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Dense depth cues are important and have wide applications in various computer vision tasks. In autonomous driving, LIDAR sensors are adopted to acquire depth measurements around the vehicle to perceive the surrounding environments. However,…

Computer Vision and Pattern Recognition · Computer Science 2020-02-21 Zixuan Huang , Junming Fan , Shenggan Cheng , Shuai Yi , Xiaogang Wang , Hongsheng Li

Rapid retreat of ice in the Amundsen Sea sector of West Antarctica may cause drastic sea level rise, posing significant risks to populations in low-lying coastal regions. Calibration of computer models representing the behavior of the West…

Applications · Statistics 2016-05-23 Won Chang , Murali Haran , Patrick Applegate , David Pollard

Modern science and industry rely on computational models for simulation, prediction, and data analysis. Spatial blind source separation (SBSS) is a model used to analyze spatial data. Designed explicitly for spatial data analysis, it is…

Human-Computer Interaction · Computer Science 2024-04-12 Nikolaus Piccolotto , Markus Bögl , Christoph Muehlmann , Klaus Nordhausen , Peter Filzmoser , Johanna Schmidt , Silvia Miksch

Intelligent reflecting surface (IRS) is of low-cost and energy-efficiency and will be a promising technology for the future wireless communications like sixth generation. To address the problem of conventional directional modulation (DM)…

Information Theory · Computer Science 2020-08-13 Feng Shu , Jiayu Li , Mengxing Huang , Weiping Shi , Yin Teng , Jun Li , Yongpeng Wu , Jiangzhou Wang

We describe a method to infer dense depth from camera motion and sparse depth as estimated using a visual-inertial odometry system. Unlike other scenarios using point clouds from lidar or structured light sensors, we have few hundreds to…

Computer Vision and Pattern Recognition · Computer Science 2021-07-22 Alex Wong , Xiaohan Fei , Stephanie Tsuei , Stefano Soatto

Accurate navigation is essential for autonomous robots and vehicles. In recent years, the integration of the Global Navigation Satellite System (GNSS), Inertial Navigation System (INS), and camera has garnered considerable attention due to…

Robotics · Computer Science 2023-11-14 Cheng Chi , Xin Zhang , Jiahui Liu , Yulong Sun , Zihao Zhang , Xingqun Zhan

Lidar-based simultaneous localization and mapping (SLAM) approaches have obtained considerable success in autonomous robotic systems. This is in part owing to the high-accuracy of robust SLAM algorithms and the emergence of new and…

Robotics · Computer Science 2022-10-04 Ha Sier , Li Qingqing , Yu Xianjia , Jorge Peña Queralta , Zhuo Zou , Tomi Westerlund

Retrogressive Thaw Slumps (RTS) in Arctic regions are distinct permafrost landforms with significant environmental impacts. Mapping these RTS is crucial because their appearance serves as a clear indication of permafrost thaw. However,…

Computer Vision and Pattern Recognition · Computer Science 2025-04-28 Wenwen Li , Chia-Yu Hsu , Sizhe Wang , Zhining Gu , Yili Yang , Brendan M. Rogers , Anna Liljedahl

We have released an open dataset with global coverage on road surface characteristics (paved or unpaved) derived utilising 105 million images from the world's largest crowdsourcing-based street view platform, Mapillary, leveraging…

Computer Vision and Pattern Recognition · Computer Science 2024-10-30 Sukanya Randhawa , Eren Aygun , Guntaj Randhawa , Benjamin Herfort , Sven Lautenbach , Alexander Zipf

Many observational records critically rely on our ability to merge different (and not necessarily overlapping) observations into a single composite. We provide a novel and fully-traceable approach for doing so, which relies on a multi-scale…

Solar and Stellar Astrophysics · Physics 2017-02-09 Thierry Dudok de Wit , Greg Kopp , Claus Fröhlich , Micha Schöll

Knowledge of ocean circulation is important for understanding and predicting weather and climate, and managing the blue economy. This circulation can be estimated through Sea Surface Height (SSH) observations, but requires decomposing the…

Atmospheric and Oceanic Physics · Physics 2024-09-27 Jingwen Lyu , Yue Wang , Christian Pedersen , Spencer Jones , Dhruv Balwada

Most previous works of outdoor instance segmentation for images only use color information. We explore a novel direction of sensor fusion to exploit stereo cameras. Geometric information from disparities helps separate overlapping objects…

Computer Vision and Pattern Recognition · Computer Science 2024-01-18 Cho-Ying Wu , Xiaoyan Hu , Michael Happold , Qiangeng Xu , Ulrich Neumann

The Boltzmann-Shannon Index (BSI) for clustered continuous data is introduced as a normalized measure that captures the relationship between geometry-based and frequency-based probability distributions defined over the clusters. In essence,…

Information Theory · Computer Science 2025-12-18 Emanuele Bossi , C. Tyler Diggans , Abd AlRahman R. AlMomani

Multiresolution image fusion is a key problem for real-time satellite imaging and plays a central role in detecting and monitoring natural phenomena such as floods. It aims to solve the trade-off between temporal and spatial resolution in…

Image and Video Processing · Electrical Eng. & Systems 2025-09-17 Haoqing Li , Ricardo Borsoi , Tales Imbiriba , Pau Closas

Multibeam echo-sounder (MBES) is the de-facto sensor for bathymetry mapping. In recent years, cheaper MBES sensors and global mapping initiatives have led to exponential growth of available data. However, raw MBES data contains 1-25% of…

Machine Learning · Computer Science 2024-09-23 Li Ling , Yiping Xie , Nils Bore , John Folkesson

Recently, neural network (NN)-based image compression studies have actively been made and has shown impressive performance in comparison to traditional methods. However, most of the works have focused on non-scalable image compression…

Image and Video Processing · Electrical Eng. & Systems 2026-01-06 Jongmin Park , Jooyoung Lee , Munchurl Kim

This paper introduces a reconfigurable intelligent surface (RIS) to support parameter estimation in machine-type communications (MTC). We focus on a network where single-antenna sensors transmit spatially correlated measurements to a…

Signal Processing · Electrical Eng. & Systems 2026-01-28 Sergi Liesegang , Antonio Pascual-Iserte , Olga Muñoz

We propose SNI-SLAM, a semantic SLAM system utilizing neural implicit representation, that simultaneously performs accurate semantic mapping, high-quality surface reconstruction, and robust camera tracking. In this system, we introduce…

Robotics · Computer Science 2024-03-29 Siting Zhu , Guangming Wang , Hermann Blum , Jiuming Liu , Liang Song , Marc Pollefeys , Hesheng Wang

Large-scale multi-session LiDAR mapping is essential for a wide range of applications, including surveying, autonomous driving, crowdsourced mapping, and multi-agent navigation. However, existing approaches often struggle with data…

Robotics · Computer Science 2024-08-08 Xiangcheng Hu , Jin Wu , Jianhao Jiao , Binqian Jiang , Wei Zhang , Wenshuo Wang , Ping Tan

Big earth science data offers the scientific community great opportunities. Many more studies at large-scales, over long-terms and at high resolution can now be conducted using the rich information collected by remote sensing satellites,…

Computers and Society · Computer Science 2024-03-25 Wenwen Li , Hu Shao , Sizhe Wang , Xiran Zhou , Sheng Wu