Results 21 to 30 of about 13,263 (160)

Three-Dimensional Single Random Phase Encryption

open access: yesSensors
In this paper, we propose a new optical encryption technique that uses the single random phase mask. In conventional optical encryptions such as double random phase encryption (DRPE), two different random phase masks are required to encrypt the primary ...
Byungwoo Cho, Myungjin Cho
doaj   +1 more source

Novel Low Cost 3D Surface Model Reconstruction System for Plant Phenotyping

open access: yesJournal of Imaging, 2017
Accurate high-resolution three-dimensional (3D) models are essential for a non-invasive analysis of phenotypic characteristics of plants. Previous limitations in 3D computer vision algorithms have led to a reliance on volumetric methods or expensive ...
Suxing Liu   +3 more
doaj   +1 more source

In-silico clearing approach for deep refractive index tomography by partial reconstruction and wave-backpropagation

open access: yesLight: Science & Applications, 2023
Refractive index (RI) is considered to be a fundamental physical and biophysical parameter in biological imaging, as it governs light-matter interactions and light propagation while reflecting cellular properties.
Osamu Yasuhiko, Kozo Takeuchi
doaj   +1 more source

CutFEM forward modeling for EEG source analysis

open access: yesFrontiers in Human Neuroscience, 2023
IntroductionSource analysis of Electroencephalography (EEG) data requires the computation of the scalp potential induced by current sources in the brain.
Tim Erdbrügger   +20 more
doaj   +1 more source

Principal component analysis for three-dimensional structured illumination microscopy (PCA-3DSIM)

open access: yesLight: Science & Applications
Three-dimensional structured illumination microscopy (3DSIM) is an essential super-resolution imaging technique for visualizing volumetric subcellular structures at the nanoscale, capable of doubling both lateral and axial resolution beyond the ...
Jiaming Qian   +5 more
doaj   +1 more source

Pilot Study: Algorithm-Based Assessment of Maxillary Sinus Volume in Zygomatic and Pterygoid Implant Planning

open access: yesDentistry Journal
Background/Objetives: Zygomatic implants are an effective solution for the prosthetic rehabilitation of atrophic maxillae, but their placement can alter maxillary sinus anatomy and influence surgical outcomes.
Pablo García Roza   +5 more
doaj   +1 more source

Photonics Breakthroughs 2025: Three-Dimensional Holographic Incoherent Imaging Through Scattering Media

open access: yesIEEE Photonics Journal
High-resolution three-dimensional (3D) imaging through optically complex media remains a highly desirable yet persistent challenge for numerous applications.
YoonSeok Baek   +2 more
doaj   +1 more source

The Hill-Sachs Lesion: Volumetric modeling using Three-Dimensional Computed Tomography Reconstructions

open access: yesOrthopaedic Journal of Sports Medicine, 2014
Objectives: The purposes of our study were to identify the volume and relative location of Hill-Sachs lesions, measure the amount of glenoid bone loss in patients who have existing Hill-Sachs lesions, and finally draw any correlations that exist between increased glenoid bone loss and increased Hill-Sachs volume.
Bernhardson, Andrew, Provencher, Matthew
openaire   +1 more source

Patient-specific reconstruction of volumetric computed tomography images from a single projection view via deep learning [PDF]

open access: yesNature Biomedical Engineering, 2019
Tomographic imaging using penetrating waves generates cross-sectional views of the internal anatomy of a living subject. For artefact-free volumetric imaging, projection views from a large number of angular positions are required. Here we show that a deep-learning model trained to map projection radiographs of a patient to the corresponding 3D anatomy ...
Liyue Shen, Wei Zhao, Lei Xing
openaire   +2 more sources

Neural Vessel Segmentation and Gaussian Splatting for 3D Reconstruction of Cerebral Angiography

open access: yesAI
Cerebrovascular diseases are a leading cause of global mortality, underscoring the need for objective and quantitative 3D visualization of cerebral vasculature from dynamic imaging modalities.
Oleh Kryvoshei   +2 more
doaj   +1 more source

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