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A major limitation of two-dimensional scanning electron microscopy (SEM) in imaging porous membranes is its inability to resolve three-dimensional pore architecture and interconnectivity, which are critical factors governing membrane…

To understand the nature of a cell, one needs to understand the structure of its genome. For this purpose, experimental techniques such as Hi-C detecting chromosomal contacts are used to probe the three-dimensional genomic structure. These…

Quantitative Methods · Quantitative Biology 2019-09-23 Andreas Hofmann , Fatema Zahra Rashid , Frédéric Crémazy , Remus T. Dame , Dieter W. Heermann

Aiming at inferring 3D shapes from 2D images, 3D shape reconstruction has drawn huge attention from researchers in computer vision and deep learning communities. However, it is not practical to assume that 2D input images and their…

Computer Vision and Pattern Recognition · Computer Science 2018-11-30 Yi-Lun Liao , Yao-Cheng Yang , Yu-Chiang Frank Wang

We present a novel adaptive machine-learning based approach for reconstructing three-dimensional (3D) crystals from coherent diffraction imaging (CDI). We represent the crystals using spherical harmonics (SH) and generate corresponding…

Computational Physics · Physics 2020-12-02 Alexander Scheinker , Reeju Pokharel

Panoramic radiograph (PR) is fundamentally used in routine dental care, but it inherently provides only a two-dimensional (2D) projection of complex three-dimensional (3D) craniofacial anatomy. Most existing learning-based methods attempt…

Computer Vision and Pattern Recognition · Computer Science 2026-05-21 Yaoyao Yue , Jérôme Schmid , Xiaoshuang Li , Eduardo Delamare , Jinman Kim

Single particle cryo-electron microscopy (EM) is an increasingly popular method for determining the 3-D structure of macromolecules from noisy 2-D images of single macromolecules whose orientations and positions are random and unknown. One…

Computer Vision and Pattern Recognition · Computer Science 2017-04-11 Roy R. Lederman , Amit Singer

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…

Computer Vision and Pattern Recognition · Computer Science 2021-08-09 Denis Volkhonskiy , Ekaterina Muravleva , Oleg Sudakov , Denis Orlov , Boris Belozerov , Evgeny Burnaev , Dmitry Koroteev

3D scene reconstruction from 2D images is one of the most important tasks in computer graphics. Unfortunately, existing datasets and benchmarks concentrate on idealized synthetic or meticulously captured realistic data. Such benchmarks fail…

Computer Vision and Pattern Recognition · Computer Science 2025-06-10 Weronika Smolak-Dyżewska , Dawid Malarz , Grzegorz Wilczyński , Rafał Tobiasz , Joanna Waczyńska , Piotr Borycki , Przemysław Spurek

Three-dimensional shape reconstruction of 2D landmark points on a single image is a hallmark of human vision, but is a task that has been proven difficult for computer vision algorithms. We define a feed-forward deep neural network…

Computer Vision and Pattern Recognition · Computer Science 2016-09-29 Ruiqi Zhao , Yan Wang , Aleix Martinez

Cryogenic electron tomography is a technique for imaging biological samples in 3D. A microscope collects a series of 2D projections of the sample, and the goal is to reconstruct the 3D density of the sample called the tomogram.…

Computer Vision and Pattern Recognition · Computer Science 2024-08-13 Simon Wiedemann , Reinhard Heckel

We propose a three-dimensional holographic reconstruction procedure applicable with no a priori knowledge about the recording conditions enabling distortion-free three-dimensional object reconstruction.

While 3D head reconstruction is widely used for modeling, existing neural reconstruction approaches rely on high-resolution multi-view images, posing notable privacy issues. Individuals are particularly sensitive to facial features, and…

Computer Vision and Pattern Recognition · Computer Science 2025-05-02 Jiayi Kong , Xurui Song , Shuo Huai , Baixin Xu , Jun Luo , Ying He

Three-dimensional ultrasound enables real-time volumetric visualization of anatomical structures. Unlike traditional 2D ultrasound, 3D imaging reduces reliance on precise probe orientation, potentially making ultrasound more accessible to…

Image and Video Processing · Electrical Eng. & Systems 2026-05-05 Tristan S. W. Stevens , Oisín Nolan , Oudom Somphone , Jean-Luc Robert , Ruud J. G. van Sloun

2D display is a fast and economical way of visualizing polymorphism and comparing genomes, which is based on the separation of DNA fragments in two steps, according first to their size and then to their sequence composition. In this paper,…

Biomolecules · Quantitative Biology 2009-10-29 Ana-Maria Florescu , Marc Joyeux , Benedicte Lafay

We propose an holographic microscopy reconstruction method, which propagates the hologram, in the object half space, in the vicinity of the object. The calibration yields reconstructions with an undistorted reconstruction grid i.e. with…

Optics · Physics 2015-06-16 Nicolas Verrier , Danier Alexandre , Gilles Tessier , Michel Gross

We investigate the problem of 3D complex field reconstruction corresponding to unstained red blood cells (RBCs) with a single defocused off-axis digital hologram. We employ recently introduced mean gradient descent (MGD) optimization…

Image and Video Processing · Electrical Eng. & Systems 2023-03-22 Sunaina Rajora , Mansi Butola , Kedar Khare

3D reconstruction is to recover 3D signals from the sampled discrete 2D pixels, with the goal to converge continuous 3D spaces. In this paper, we revisit 3D reconstruction from the perspective of signal processing, identifying the periodic…

Computer Vision and Pattern Recognition · Computer Science 2026-01-27 Shengjun Zhang , Min Chen , Yibo Wei , Mingyu Dong , Yueqi Duan

Background Analyzing images to accurately estimate the number of different cell types in the brain using automatic methods is a major objective in neuroscience. The automatic and selective detection and segmentation of neurons would be an…

Image and Video Processing · Electrical Eng. & Systems 2024-10-07 Antonio LaTorre , Lidia Alonso-Nanclares , José María Peña , Javier De Felipe

Creating geometric abstracted models from image-based scene reconstructions is difficult due to noise and irregularities in the reconstructed model. In this paper, we present a geometric modeling method for noisy reconstructions dominated…

Computer Vision and Pattern Recognition · Computer Science 2014-04-22 Thomas Holzmann , Christof Hoppe , Stefan Kluckner , Horst Bischof

Reconstructing 3D objects from 2D images is both challenging for our brains and machine learning algorithms. To support this spatial reasoning task, contextual information about the overall shape of an object is critical. However, such…

Computer Vision and Pattern Recognition · Computer Science 2022-09-19 Dominik J. E. Waibel , Scott Atwell , Matthias Meier , Carsten Marr , Bastian Rieck
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