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This paper develops a comprehensive target modeling, beamforming optimization, and parameter estimation framework for extended-target sensing in wideband MIMO-OFDM integrated sensing and communication systems. We propose a parametric…

Signal Processing · Electrical Eng. & Systems 2026-03-17 Rang Liu , Ming Li , A. Lee Swindlehurst

Accurate estimation of sea ice drift is critical for Arctic navigation, climate research, and operational forecasting. While optical flow, a computer vision technique for estimating pixel wise motion between consecutive images, has advanced…

Computer Vision and Pattern Recognition · Computer Science 2025-10-31 Daniela Martin , Joseph Gallego

Accurate Point Cloud Registration (PCR) is an important task in 3D data processing, involving the estimation of a rigid transformation between two point clouds. While deep-learning methods have addressed key limitations of traditional…

Computer Vision and Pattern Recognition · Computer Science 2026-04-13 Yasaman Kashefbahrami , Erkut Akdag , Panagiotis Meletis , Evgeniya Balmashnova , Dip Goswami , Egor Bondarau

The optical data transport system of the KM3NeT neutrino telescope at the bottom of the Mediterranean Sea will provide each of the more than 6000 optical modules in the detector arrays with a point-to-point optical connection to the control…

Instrumentation and Methods for Astrophysics · Physics 2023-01-10 The KM3NeT collaboration

We have designed and built a new type of CCD that we call an orthogonal transfer CCD (OTCCD), which permits parallel clocking horizontally as well as vertically. The device has been used successfully to remove image motion caused by…

Astrophysics · Physics 2007-05-23 John L. Tonry , Barry E. Burke , Paul L. Schechter

Visual Simultaneous Localization and Mapping (vSLAM) systems encounter substantial challenges in dynamic environments where moving objects compromise tracking accuracy and map consistency. This paper introduces PCR-ORB (Point Cloud…

Robotics · Computer Science 2025-12-30 Sheng-Kai Chen , Jie-Yu Chao , Jr-Yu Chang , Po-Lien Wu , Po-Chiang Lin

Most modern solar observatories deliver data products formatted as 3D spatio-temporal data cubes, that contain additional, higher dimensions with spectral and/or polarimetric information. This multi-dimensional complexity presents a major…

Instrumentation and Methods for Astrophysics · Physics 2022-08-02 Malcolm K. Druett , Alexander G. M. Pietrow , Gregal J. M. Vissers , Carolina Robustini , Flavio Calvo

The wavefront sensor (WFS), equipped with an electron-multiplying charge-coupled device (EMCCD) detector, is a critical component of the Cool Planets Imaging Coronagraph (CPI-C) on the Chinese Space Station Telescope (CSST). Precise…

Instrumentation and Methods for Astrophysics · Physics 2025-11-26 Jiangpei Dou , Bingli Niu , Gang Zhao , Xi Zhang , Gang Wang , Baoning Yuan , Di Wang , Xingguang Qian

Recently, coherent digital subcarrier multiplexing (DSCM) technology has become an attractive solution for next-generation ultra-high-speed datacenter interconnects (DCIs). To meet the requirements of low-cost and low-power consumption in…

Signal Processing · Electrical Eng. & Systems 2024-07-16 Wei Wang , Dongdong Zou , Weihao Ni , Fan Li

Full 3D inversion of time-domain Airborne ElectroMagnetic (AEM) data requires specialists' expertise and a tremendous amount of computational resources, not readily available to everyone. Consequently, quasi-2D/3D inversion methods are…

Geophysics · Physics 2022-11-18 Wouter Deleersnyder , David Dudal , Thomas Hermans

In this paper, a color edge detection strategy based on collaborative filtering combined with multiscale gradient fusion is proposed. The block-matching and 3D (BM3D) filter are used to enhance the sparse representation in the transform…

Computer Vision and Pattern Recognition · Computer Science 2024-09-04 Zhuoyue Wang , Yiyi Tao , Danqing Ma , Jiajing Chen

This study reviews the design and signal processing of ship borne ultrasonic altimeter wave measurements. The system combines a downward facing ultrasonic altimeter to capture the sea surface elevation as a time series, and an inertial…

Recent advancements in radiance field rendering, exemplified by Neural Radiance Fields (NeRF) and 3D Gaussian Splatting (3DGS), have significantly progressed 3D modeling and reconstruction. The use of multiple 360-degree omnidirectional…

Computer Vision and Pattern Recognition · Computer Science 2025-05-27 Shintaro Ito , Natsuki Takama , Toshiki Watanabe , Koichi Ito , Hwann-Tzong Chen , Takafumi Aoki

The increasing volume and velocity of science data necessitate the frequent movement of enormous data volumes as part of routine research activities. As a result, limited wide-area bandwidth often leads to bottlenecks in research progress.…

Distributed, Parallel, and Cluster Computing · Computer Science 2023-07-12 Yuanjian Liu , Sheng Di , Kyle Chard , Ian Foster , Franck Cappello

Remote sensing image processing is so important in geo-sciences. Images which are obtained by different types of sensors might initially be unrecognizable. To make an acceptable visual perception in the images, some pre-processing steps…

Computer Vision and Pattern Recognition · Computer Science 2017-04-11 Mohammad Reza Khosravi , Habib Rostami , Gholam Reza Ahmadi , Suleiman Mansouri , Ahmad Keshavarz

In this letter, we have carried out an independent validation of the Gaia EDR3 photometry using about 10,000 Landolt standard stars from Clem & Landolt (2013). Using a machine learning technique, the UBVRI magnitudes are converted into the…

Solar and Stellar Astrophysics · Physics 2021-02-24 Lin Yang , Haibo Yuan , Ruoyi Zhang , Zexi Niu , Yang Huang , Fuqing Duan , Yi Fang

Context: The unprecedented astrometric precision of the Gaia mission relies on accurate estimates of the locations of sources in the Gaia data stream. This is ultimately performed by point spread function (PSF) fitting, which in turn…

Satellite-based remote sensing has revolutionised the way we address global challenges. Huge quantities of Earth Observation (EO) data are generated by satellite sensors daily, but processing these large datasets for use in ML pipelines is…

Computer Vision and Pattern Recognition · Computer Science 2024-11-01 Matthew J Allen , Francisco Dorr , Joseph Alejandro Gallego Mejia , Laura Martínez-Ferrer , Anna Jungbluth , Freddie Kalaitzis , Raúl Ramos-Pollán

In operating rooms (OR), world-scale multi-view 3D tracking supports downstream applications such as surgeon behavior recognition, where physically meaningful quantities such as distances and motion statistics must be measured in meters.…

Computer Vision and Pattern Recognition · Computer Science 2026-03-03 Yihua Shao , Kang Chen , Feng Xue , Siyu Chen , Long Bai , Hongyuan Yu , Hao Tang , Jinlin Wu , Nassir Navab

One of the major bottlenecks in high-resolution Earth Observation (EO) space systems is the downlink between the satellite and the ground. Due to hardware limitations, on-board power limitations or ground-station operation costs, there is a…

Machine Learning · Computer Science 2023-11-21 Cédric Gernigon , Silviu-Ioan Filip , Olivier Sentieys , Clément Coggiola , Mickaël Bruno