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Electron tomography has achieved higher resolution and quality at reduced doses with recent advances in compressed sensing. Compressed sensing (CS) theory exploits the inherent sparse signal structure to efficiently reconstruct…

Computational Physics · Physics 2020-12-02 Jonathan Schwartz , Huihuo Zheng , Marcus Hanwell , Yi Jiang , Robert Hovden

Increasingly there is a need to develop astronomical visualisation and manipulations tools which allow viewers to interact with displayed data directly, in real time and across a range of platforms. In addition, increases in dynamic range…

Instrumentation and Methods for Astrophysics · Physics 2016-01-05 P. Mohan , C. Hawkins , R. Klapaukh , M. Johnston-Hollitt

Efficient acquisition of real-world embodied data has been increasingly critical. However, large-scale demonstrations captured by remote operation tend to take extremely high costs and fail to scale up the data size in an efficient manner.…

Robotics · Computer Science 2025-08-05 Xinhai Li , Jialin Li , Ziheng Zhang , Rui Zhang , Fan Jia , Tiancai Wang , Haoqiang Fan , Kuo-Kun Tseng , Ruiping Wang

Recent research on Simultaneous Localization and Mapping (SLAM) based on implicit representation has shown promising results in indoor environments. However, there are still some challenges: the limited scene representation capability of…

Computer Vision and Pattern Recognition · Computer Science 2024-03-19 Wenhua Wu , Guangming Wang , Ting Deng , Sebastian Aegidius , Stuart Shanks , Valerio Modugno , Dimitrios Kanoulas , Hesheng Wang

We present a new method for emulating the halo mass function (HMF) and other distribution functions in large effective volumes, down to low halo masses, whilst simultaneously modifying large ranges of parameters, for a fraction of the cost…

Cosmology and Nongalactic Astrophysics · Physics 2026-04-21 Christopher C. Lovell , Max E. Lee , William J. Roper , Daniel Anglés-Alcázar , Shy Genel , Shivam Pandey , Francisco Villaescusa-Navarro

Subhaloes are critical in distinguishing dark matter models, yet their evolution within galactic haloes, particularly in the Fuzzy Dark Matter (FDM) model, remains challenging to fully investigate in numerical simulations. In this work, we…

Cosmology and Nongalactic Astrophysics · Physics 2025-05-20 Hei Yin Jowett Chan , Hsi-Yu Schive , Victor H. Robles , Alexander Kunkel , Guan-Ming Su , Pin-Yu Liao

The vision-based semantic scene completion task aims to predict dense geometric and semantic 3D scene representations from 2D images. However, the presence of dynamic objects in the scene seriously affects the accuracy of the model…

Computer Vision and Pattern Recognition · Computer Science 2025-05-06 Meng Wang , Fan Wu , Yunchuan Qin , Ruihui Li , Zhuo Tang , Kenli Li

We introduce Coordinate Condensation, a variant of coordinate descent that accelerates physics-based simulation by augmenting local coordinate updates with a Schur-complement-based subspace correction. Recent work by Lan et al. 2025 (JGS2)…

Graphics · Computer Science 2025-10-15 Ty Trusty

High-speed turbulent flows are encountered in most space-related applications (including exploration, tourism and defense fields) and represent a subject of growing interest in the last decades. A major challenge in performing high-fidelity…

Fluid Dynamics · Physics 2021-03-31 Luca Sciacovelli , Donatella Passiatore , Paola Cinnella , Giuseppe Pascazio

Thanks to the ever increasing computational power and the development of more sophisticated algorithms, numerical N-body simulations are now uncovering several phenomenological relations between the physical properties of dark matter haloes…

Astrophysics · Physics 2009-11-13 Yago Ascasibar , Stefan Gottloeber

We present a new numerical dissipation algorithm, which can be efficiently used in combination with centered finite-difference methods. We start from a formulation of centered finite-volume methods for Numerical Relativity, in which…

General Relativity and Quantum Cosmology · Physics 2009-11-13 Daniela Alic , Carles Bona , Carles Bona-Casas

The DBSCAN method for spatial clustering has received significant attention due to its applicability in a variety of data analysis tasks. There are fast sequential algorithms for DBSCAN in Euclidean space that take $O(n\log n)$ work for two…

Data Structures and Algorithms · Computer Science 2021-01-29 Yiqiu Wang , Yan Gu , Julian Shun

Compared with flatbed scanners, portable smartphones provide more convenience for physical document digitization. However, such digitized documents are often distorted due to uncontrolled physical deformations, camera positions, and…

Computer Vision and Pattern Recognition · Computer Science 2022-12-27 Hao Feng , Wengang Zhou , Jiajun Deng , Qi Tian , Houqiang Li

Dynamic Object-aware SLAM (DOS) exploits object-level information to enable robust motion estimation in dynamic environments. Existing methods mainly focus on identifying and excluding dynamic objects from the optimization. In this paper,…

Robotics · Computer Science 2022-11-15 Yuheng Qiu , Chen Wang , Wenshan Wang , Mina Henein , Sebastian Scherer

Due to the domain gap between real-world and synthetic hazy images, current data-driven dehazing algorithms trained on synthetic datasets perform well on synthetic data but struggle to generalize to real-world scenarios. To address this…

Computer Vision and Pattern Recognition · Computer Science 2025-11-18 Shijun Zhou , Xing Xie , Baojie Fan , Jiandong Tian

Strong Lensing is a powerful probe of the matter distribution in galaxies and clusters and a relevant tool for cosmography. Analyses of strong gravitational lenses with Deep Learning have become a popular approach due to these astronomical…

We present an unsupervised data processing workflow that is specifically designed to obtain a fast conformational clustering of long molecular dynamics simulation trajectories. In this approach we combine two dimensionality reduction…

Chemical Physics · Physics 2023-08-09 Simon Hunkler , Kay Diederichs , Oleksandra Kukharenko , Christine Peter

We present a novel methodology based on geometric approach to simulate magnification lens effects. Our aim is to promote new applications of powerful geometric modeling techniques in visual computing. Conventional image…

Graphics · Computer Science 2013-08-05 Bo Li , Xin Zhao

Context. Accurate model predictions including the physics of baryons are required to make the most of the upcoming large cosmological surveys devoted to gravitational lensing. The advent of hydrodynamical cosmological simulations enables…

Cosmology and Nongalactic Astrophysics · Physics 2019-06-19 C. Gouin , R. Gavazzi , C. Pichon , Y. Dubois , C. Laigle , N. E. Chisari , S. Codis , J. Devriendt , S. Peirani

Diffusion models have recently achieved remarkable performance in image super-resolution (SR), but their high computational cost limits practical deployment in remote sensing applications. To address this issue, we propose SlimDiffSR, a…

Computer Vision and Pattern Recognition · Computer Science 2026-05-19 Ce Wang , Zhenyu Hu , Wanjie Sun
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