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相关论文: GPU accelerated image reconstruction in a two-stri…

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Recent advances in 3D Gaussian Splatting (3DGS) have enabled efficient free-viewpoint rendering and photorealistic scene reconstruction. While on-the-fly extensions of 3DGS have shown promise for real-time reconstruction from monocular RGB…

计算机视觉与模式识别 · 计算机科学 2025-12-10 Yijia Guo , Tong Hu , Zhiwei Li , Liwen Hu , Keming Qian , Xitong Lin , Shengbo Chen , Tiejun Huang , Lei Ma

We present a method for Sparse view reconstruction with surface element splatting that runs within 3 minutes on a consumer grade GPU. While few methods address sparse radiance field learning from noisy or unposed sparse cameras, shape…

计算机视觉与模式识别 · 计算机科学 2025-08-01 Shubhendu Jena , Amine Ouasfi , Mae Younes , Adnane Boukhayma

This paper presents a GPU-accelerated simulation package, TRED, for next-generation neutrino detectors with pixelated charge readout, leveraging community-driven software ecosystems to ensure sustainability and extensibility. We introduce…

仪器与探测器 · 物理学 2026-02-13 Yousen Zhang , Brett Viren , Mary Bishai , Sergey Martynenko , Xin Qian , Rado Razakamiandra , Brooke Russell

X-ray tomographic reconstruction typically uses voxel basis functions to represent volumetric images. Due to the structure in voxel basis representations, efficient ray-tracing methods exist allowing fast, GPU accelerated implementations.…

分布式、并行与集群计算 · 计算机科学 2019-08-20 Ander Biguri , Hossein Towsyfyan , Richard Boardman , Thomas Blumensath

Learning Bird's Eye View (BEV) representation from surrounding-view cameras is of great importance for autonomous driving. In this work, we propose a Geometry-guided Kernel Transformer (GKT), a novel 2D-to-BEV representation learning…

计算机视觉与模式识别 · 计算机科学 2022-06-10 Shaoyu Chen , Tianheng Cheng , Xinggang Wang , Wenming Meng , Qian Zhang , Wenyu Liu

This paper focuses on minimizing the time requirement for CT capture through innovative simultaneous x-ray capture method. The state-of-the-art CT imaging methodology captures a sequence of projections during which the internal organ…

医学物理 · 物理学 2014-04-03 Sajib Saha , Murat Tahtali , Andrew Lambert , Mark Pickering

We present GIGA-Lens: a gradient-informed, GPU-accelerated Bayesian framework for modeling strong gravitational lensing systems, implemented in TensorFlow and JAX. The three components, optimization using multi-start gradient descent,…

天体物理仪器与方法 · 物理学 2022-08-16 A. Gu , X. Huang , W. Sheu , G. Aldering , A. S. Bolton , K. Boone , A. Dey , A. Filipp , E. Jullo , S. Perlmutter , D. Rubin , E. F. Schlafly , D. J. Schlegel , Y. Shu , S. H. Suyu

We present an end-to-end reconstruction algorithm to build particle candidates from detector hits in next-generation granular calorimeters similar to that foreseen for the high-luminosity upgrade of the CMS detector. The algorithm exploits…

Reconstructing dynamic, time-varying scenes with computed tomography (4D-CT) is a challenging and ill-posed problem common to industrial and medical settings. Existing 4D-CT reconstructions are designed for sparse sampling schemes that…

图像与视频处理 · 电气工程与系统科学 2021-04-26 Albert W. Reed , Hyojin Kim , Rushil Anirudh , K. Aditya Mohan , Kyle Champley , Jingu Kang , Suren Jayasuriya

We present a simple but powerful architecture of convolutional neural network, which has a VGG-like inference-time body composed of nothing but a stack of 3x3 convolution and ReLU, while the training-time model has a multi-branch topology.…

计算机视觉与模式识别 · 计算机科学 2021-03-30 Xiaohan Ding , Xiangyu Zhang , Ningning Ma , Jungong Han , Guiguang Ding , Jian Sun

Stereo vision technique has been widely used in robotic systems to acquire 3-D information. In recent years, many researchers have applied bilateral filtering in stereo vision to adaptively aggregate the matching costs. This has greatly…

计算机视觉与模式识别 · 计算机科学 2018-08-16 Rui Fan , Yanan Liu , Mohammud Junaid Bocus , Lujia Wang , Ming Liu

Adaptive Mesh Refinement (AMR) is becoming a prevalent data representation for scientific visualization. Resulting from large fluid mechanics simulations, the data is usually cell centric, imposing a number of challenges for high quality…

图形学 · 计算机科学 2023-12-05 Stefan Zellmann , Qi Wu , Alper Sahistan , Kwan-Liu Ma , Ingo Wald

To reconstruct a radioactive tracer distribution with positron emission tomography (PET), the background attenuation correction is needed to eliminate image artifacts. Recent research shows that time-of-flight (TOF) PET data determine the…

医学物理 · 物理学 2013-12-30 Qingsong Yang , Wenxiang Cong , Ge Wang

Computational Pangenomics is an emerging field that studies genetic variation using a graph structure encompassing multiple genomes. Visualizing pangenome graphs is vital for understanding genome diversity. Yet, handling large graphs can be…

分布式、并行与集群计算 · 计算机科学 2026-05-29 Jiajie Li , Jan-Niklas Schmelzle , Yixiao Du , Simon Heumos , Andrea Guarracino , Giulia Guidi , Pjotr Prins , Erik Garrison , Zhiru Zhang

The conservative Post-Newtonian (PN) Hamiltonian formulation of spinning compact binaries has six integrals of motion including the total energy, the total angular momentum and the constant unit lengths of spins. The manifold correction…

天体物理仪器与方法 · 物理学 2018-03-21 Chong-xi Ran , Song Liu , Shuang-ying Zhong

This paper presents PlanarSplatting, an ultra-fast and accurate surface reconstruction approach for multiview indoor images. We take the 3D planes as the main objective due to their compactness and structural expressiveness in indoor…

计算机视觉与模式识别 · 计算机科学 2024-12-05 Bin Tan , Rui Yu , Yujun Shen , Nan Xue

We demonstrate a new attosecond pulse reconstruction modality which uses an algorithm that is derived from ptychography. In contrast to other methods, energy and delay sampling are not correlated, and as a result, the number of electron…

光学 · 物理学 2015-11-17 M. Lucchini , M. H. Brügmann , A. Ludwig , L. Gallmann , U. Keller , T. Feurer

The maximum entropy method (MEM) is a well known deconvolution technique in radio-interferometry. This method solves a non-linear optimization problem with an entropy regularization term. Other heuristics such as CLEAN are faster but highly…

天体物理仪器与方法 · 物理学 2022-10-27 M. Cárcamo , P. Román , S. Casassus , V. Moral , F. R. Rannou

Reconstruction of rigid motion over large spatiotemporal scales remains a challenging task due to limitations in modeling paradigms, severe motion blur, and insufficient physical consistency. In this work, we propose PEGS, a framework that…

计算机视觉与模式识别 · 计算机科学 2025-11-24 Yijun Xu , Jingrui Zhang , Hongyi Liu , Yuhan Chen , Yuanyang Wang , Qingyao Guo , Dingwen Wang , Lei Yu , Chu He

Computational temporal ghost imaging (CTGI) allows the reconstruction of a fast signal from a two dimensional detection with no temporal resolution. High speed spatial modulation is implemented to encode temporal detail of the signal into…

图像与视频处理 · 电气工程与系统科学 2019-07-24 Wenjie Jiang , Xianye Li , Shan Jiang , Yupeng Wang , Zexin Zhang , Guanbai He , Baoqing Sun