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相关论文: PtyRAD: A High-performance and Flexible Ptychograp…

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Traditional TCAD simulation has succeeded in predicting and optimizing the device performance; however, it still faces a massive challenge - a high computational cost. There have been many attempts to replace TCAD with deep learning, but it…

信号处理 · 电气工程与系统科学 2022-04-21 Sanghoon Myung , Wonik Jang , Seonghoon Jin , Jae Myung Choe , Changwook Jeong , Dae Sin Kim

Three-dimensional atomic resolution imaging using transmission electron microscopes is a unique capability that requires challenging experiments. Linear electron tomography methods are limited by the missing wedge effect, requiring a high…

计算物理 · 物理学 2024-07-30 Shengboy You , Andrey Romanov , Philipp Pelz

Four-dimensional Scanning Transmission Electron Microscopy (4D STEM) with data acquired using a defocused electron probe is a promising tool for characterising complex biological specimens and materials through a phase retrieval process…

信号处理 · 电气工程与系统科学 2025-05-15 Amirafshar Moshtaghpour , Angus I. Kirkland

Muon scattering tomography is a well-established, non-invasive imaging technique using cosmic-ray muons. Simple algorithms, such as PoCA (Point of Closest Approach), are often utilized to reconstruct the volume of interest from the observed…

高能物理 - 实验 · 物理学 2025-11-10 Jean-Marco Alameddine , Felix Sattler , Maurice Stephan , Sarah Barnes

The measurement of optical ultrafast laser pulses is done indirectly because the required bandwidth to measure these pulses exceeds the bandwidth of current electronics. As a result, this measurement problem is often posed as a 1-D phase…

光学 · 物理学 2023-04-28 Daniel J Kane , Andrei B. Vakhtin

Ptychography has risen as a reference X-ray imaging technique: it achieves resolutions of one billionth of a meter, macroscopic field of view, or the capability to retrieve chemical or magnetic contrast, among other features. A…

最优化与控制 · 数学 2019-06-10 Huibin Chang , Pable Enfedaque , Stefano Marchesini

The earlier works in the context of low-rank-sparse-decomposition (LRSD)-driven stationary synthetic aperture radar (SAR) imaging have shown significant improvement in the reconstruction-decomposition process. Neither of the proposed…

图像与视频处理 · 电气工程与系统科学 2025-12-12 Hamid Reza Hashempour , Majid Moradikia , Hamed Bastami , Ahmed Abdelhadi , Mojtaba Soltanalian

Background and Objective: Deep learning enables tremendous progress in medical image analysis. One driving force of this progress are open-source frameworks like TensorFlow and PyTorch. However, these frameworks rarely address issues…

图像与视频处理 · 电气工程与系统科学 2021-04-29 Alain Jungo , Olivier Scheidegger , Mauricio Reyes , Fabian Balsiger

Materials science is undergoing profound changes due to advances in characterization instrumentation that have resulted in an explosion of data in terms of volume, velocity, variety and complexity. Harnessing these data for scientific…

Ptychographic extreme ultraviolet (EUV) diffractive imaging has emerged as a promising candidate for the next-generation metrology solutions in the semiconductor industry, as it can image wafer samples in reflection geometry at the…

图像与视频处理 · 电气工程与系统科学 2023-11-28 Yifeng Shao , Sven Weerdenburg , Jacob Seifert , H. Paul Urbach , Allard P. Mosk , Wim Coene

We present Progressively Deblurring Radiance Field (PDRF), a novel approach to efficiently reconstruct high quality radiance fields from blurry images. While current State-of-The-Art (SoTA) scene reconstruction methods achieve…

计算机视觉与模式识别 · 计算机科学 2022-08-18 Cheng Peng , Rama Chellappa

Photoacoustic tomography is a hybrid imaging technique that combines high optical tissue contrast with high ultrasound resolution. Direct reconstruction methods such as filtered backprojection, time reversal and least squares suffer from…

Stable diffusion, a generative model used in text-to-image synthesis, frequently encounters resolution-induced composition problems when generating images of varying sizes. This issue primarily stems from the model being trained on pairs of…

计算机视觉与模式识别 · 计算机科学 2023-09-12 Qingping Zheng , Yuanfan Guo , Jiankang Deng , Jianhua Han , Ying Li , Songcen Xu , Hang Xu

We present PacTure, a novel framework for generating physically-based rendering (PBR) material textures for an untextured 3D mesh from a text description. Existing 2D generation-based texturing approaches either generate textures…

计算机视觉与模式识别 · 计算机科学 2026-05-15 Fan Fei , Jiajun Tang , Fei-Peng Tian , Boxin Shi , Ping Tan

PyRadiomics-cuda is a GPU-accelerated extension of the PyRadiomics library, designed to address the computational challenges of extracting three-dimensional shape features from medical images. By offloading key geometric computations to GPU…

分布式、并行与集群计算 · 计算机科学 2026-02-20 Jakub Lisowski , Piotr Tyrakowski , Szymon Zyguła , Krzysztof Kaczmarski

Existing super-resolution models for pathology images can only work in fixed integer magnifications and have limited performance. Though implicit neural network-based methods have shown promising results in arbitrary-scale super-resolution…

图像与视频处理 · 电气工程与系统科学 2023-04-11 Linhao Qu , Minghong Duan , Zhiwei Yang , Manning Wang , Zhijian Song

Determining crystal structures from powder X-ray diffraction (PXRD) has been a significant challenge in materials science, particularly when experimental data contain noise or the target structure has a high complexity. While recent AI…

材料科学 · 物理学 2026-05-26 Kaixiang Su , Osman Goni Ridwan , Hongfei Xue , Qiang Zhu

Coherent imaging techniques such as ptychography offer powerful capabilities for 3D resolution of nanoscale structures. By application in grazing incidence, such techniques may achieve exceptional surface sensitivity as demonstrated by…

We propose a new approach for 3D shape matching of deformable human shapes. Our approach is based on the joint adoption of three different tools: an intrinsic spectral matching pipeline, a morphable model, and an extrinsic details…

计算机视觉与模式识别 · 计算机科学 2020-09-22 Riccardo Marin , Simone Melzi , Emanuele Rodolà , Umberto Castellani

We introduce PyTorch Geometric, a library for deep learning on irregularly structured input data such as graphs, point clouds and manifolds, built upon PyTorch. In addition to general graph data structures and processing methods, it…

机器学习 · 计算机科学 2019-04-26 Matthias Fey , Jan Eric Lenssen