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High-quality 3D human body reconstruction requires high-fidelity and large-scale training data and appropriate network design that effectively exploits the high-resolution input images. To tackle these problems, we propose a simple yet…

计算机视觉与模式识别 · 计算机科学 2023-03-28 Sang-Hun Han , Min-Gyu Park , Ju Hong Yoon , Ju-Mi Kang , Young-Jae Park , Hae-Gon Jeon

This paper presents an innovative approach to computational acoustic imaging of biperiodic surfaces, exploiting the capabilities of an acoustic superlens to overcome the diffraction limit. We address the challenge of imaging physical…

偏微分方程分析 · 数学 2026-01-05 Yuliang Wang

The rapid advancement of diffusion models has significantly improved high-quality image generation, making generated content increasingly challenging to distinguish from real images and raising concerns about potential misuse. In this…

计算机视觉与模式识别 · 计算机科学 2025-11-04 Beilin Chu , Xuan Xu , Xin Wang , Yufei Zhang , Weike You , Linna Zhou

In many branches of earth sciences, the problem of rock study on the micro-level arises. However, a significant number of representative samples is not always feasible. Thus the problem of the generation of samples with similar properties…

计算机视觉与模式识别 · 计算机科学 2021-08-09 Denis Volkhonskiy , Ekaterina Muravleva , Oleg Sudakov , Denis Orlov , Boris Belozerov , Evgeny Burnaev , Dmitry Koroteev

In 3-D reconstruction problems, the image data obtained from cryo electron microscopy is the projection of many heterogeneous instances of the object under study (e.g., a virus). When the object is heterogeneous but has an overall symmetry,…

定量方法 · 定量生物学 2016-11-22 Nan Xu , Peter C. Doershuck

Deconvolution phase microscopy enables high-contrast visualization of transparent samples through reconstructions of their transmitted phases or refractive indexes. Herein, we propose a method to extend 2D deconvolution phase microscopy to…

光学 · 物理学 2022-04-20 Herve Hugonnet , Mahn Jae Lee , Yongkeun Park

Computed Tomography (CT) reconstruction is a fundamental component to a wide variety of applications ranging from security, to healthcare. The classical techniques require measuring projections, called sinograms, from a full 180$^\circ$…

计算机视觉与模式识别 · 计算机科学 2018-07-12 Rushil Anirudh , Hyojin Kim , Jayaraman J. Thiagarajan , K. Aditya Mohan , Kyle Champley , Timo Bremer

Magnetic Resonance Imaging (MRI) is a powerful, non-invasive diagnostic tool; however, its clinical applicability is constrained by prolonged acquisition times. Whilst present deep learning-based approaches have demonstrated potential in…

图像与视频处理 · 电气工程与系统科学 2024-09-24 Anurag Malyala , Zhenlin Zhang , Chengyan Wang , Chen Qin

Recently N. Garcia et al. (Phys. Rev. E 67, 046606 (2003)) theoretically studied several acoustic devices with dimensions on de order of several wavelenghts. The authors discussed on experimental results previously reported by several of us…

材料科学 · 物理学 2009-11-10 A. Hakansson , J. Sanchez-Dehesa , F. Cervera , F. Meseguer , L. Sanchis , J. Llinares

Deep learning-based 3D imaging, in particular magnetic resonance imaging (MRI), is challenging because of limited availability of 3D training data. Therefore, 2D diffusion models trained on 2D slices are starting to be leveraged for 3D MRI…

计算机视觉与模式识别 · 计算机科学 2024-12-25 Anselm Krainovic , Stefan Ruschke , Reinhard Heckel

Robust and accurate camera calibration is essential for 3D reconstruction in light microscopy under circular motion. Conventional methods require either accurate key point matching or precise segmentation of the axial-view images. Both…

计算机视觉与模式识别 · 计算机科学 2019-10-31 Yuanhao Guo , Fons J. Verbeek , Ge Yang

Reconstructing the geometry and appearance of objects from photographs taken in different environments is difficult as the illumination and therefore the object appearance vary across captured images. This is particularly challenging for…

计算机视觉与模式识别 · 计算机科学 2024-12-20 Hadi Alzayer , Philipp Henzler , Jonathan T. Barron , Jia-Bin Huang , Pratul P. Srinivasan , Dor Verbin

Single-view 3D shape reconstruction is an important but challenging problem, mainly for two reasons. First, as shape annotation is very expensive to acquire, current methods rely on synthetic data, in which ground-truth 3D annotation is…

计算机视觉与模式识别 · 计算机科学 2019-08-27 Pedro O. Pinheiro , Negar Rostamzadeh , Sungjin Ahn

Reconstructing 3D objects from a single image remains challenging, especially under real-world occlusions. While recent diffusion-based view synthesis models can generate consistent novel views from a single RGB image, they typically assume…

计算机视觉与模式识别 · 计算机科学 2025-07-01 Yansong Qu , Shaohui Dai , Xinyang Li , Yuze Wang , You Shen , Liujuan Cao , Rongrong Ji

We propose a novel method to accurately reconstruct a set of images representing a single scene from few linear multi-view measurements. Each observed image is modeled as the sum of a background image and a foreground one. The background…

计算机视觉与模式识别 · 计算机科学 2013-09-19 Gilles Puy , Pierre Vandergheynst

Almost all known image reconstruction algorithms for photoacoustic and thermoacoustic tomography assume that the acoustic waves leave the region of interest after a finite time. This assumption is reasonable if the reflections from the…

偏微分方程分析 · 数学 2015-06-16 L. Kunyansky , B. Holman , B. T. Cox

Reconstructing 3D models from single-view images is a long-standing problem in computer vision. The latest advances for single-image 3D reconstruction extract a textual description from the input image and further utilize it to synthesize…

计算机视觉与模式识别 · 计算机科学 2024-11-20 Yu Liu , Ruowei Wang , Jiaqi Li , Zixiang Xu , Qijun Zhao

Convergent beam electron diffraction (CBED) performed on two-dimensional (2D) materials recently emerged as a powerful tool to study structural and stacking defects, adsorbates, atomic 3D displacements in the layers, and the interlayer…

介观与纳米尺度物理 · 物理学 2022-01-25 Tatiana Latychevskaia , Sarah Haigh , Kostya Novoselov

The Differential Fourier Holography (DFH) gives an exact mathematical solution of the inverse problem of diffraction in the Fraunhofer regime. After the first publication [1] the Differential Fourier Holography was successfully applied in…

光学 · 物理学 2016-04-20 Sergey G. Podorov , Eckhart Förster

Pipe inspection is a critical task for many industries and infrastructure of a city. The 3D information of a pipe can be used for revealing the deformation of the pipe surface and position of the camera during the inspection. In this paper,…

计算机视觉与模式识别 · 计算机科学 2020-07-06 Sho kagami , Hajime Taira , Naoyuki Miyashita , Akihiko Torii , Masatoshi Okutomi