Results 81 to 90 of about 36,471 (278)
On Radon Transforms on Tori [PDF]
Journal of Fourier Analysis and Applications, 2014 We show injectivity of the X-ray transform and the $d$-plane Radon transform for distributions on the $n$-torus, lowering the regularity assumption in the recent work by Abouelaz and Rouvi re. We also show solenoidal injectivity of the X-ray transform on the $n$-torus for tensor fields of any order, allowing the tensors to have distribution valued ...
openaire +5 more sources
Advanced Science, EarlyView.A multifunctional injectable microsphere system is fabricated via UV‐assisted microfluidic cross‐linking, integrating nanozyme‐based ROS scavenging, sustained dexamethasone release, and stem cell delivery. Upon IA injection, the microspheres adapt to joint stress, suppress inflammation, and promote cartilage regeneration, offering a minimally invasive ...
Xiaochen Feng +10 more
wiley +1 more source
Advanced Science, EarlyView.6 nm iron oxide nanoparticles (IONP6) exhibit enzyme‐like activities that scavenge reactive oxygen and nitrogen species (RONS), including nitric oxide (NO). In stroke models, IONP6 promotes microglial polarization toward the M2 phenotype, reduces neuroinflammation, and improves neurological outcomes, offering a promising drug‐free approach to mitigate ...
Yilin Qi +12 more
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The X-ray Transform and its Application in Nano Crystallography [PDF]
Journal of Optoelectronical Nanostructures, 2017 In this article a review on the definition of the X- ray transform and some ofits applications in Nano crystallography is presented. We shall show that the X- raytransform is a special case of the Radon transform on homogeneous spaces when thetopological
tajedin derikvand +2 more
doaj
IEEE Access, 2019 Rotation and scale estimation of images are fundamental tasks in image registration. The conventional estimation method uses log-polar transform and 1D shift estimation to estimate rotation and scale regardless of the shift of images.
Takanori Fujisawa, Masaaki Ikehara
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Biomechanics‐Driven 3D Architecture Inference from Histology Using CellSqueeze3D
Advanced Science, EarlyView.CellSqueeze3D reconstructs 3D cellular architecture from standard 2D histology images using biomechanical constraints and optimization. Validated on clinical datasets, it enables accurate tissue phenotyping, predicts gene mutations, and reveals significant correlations between nuclear‐cytoplasmic ratio entropy and tumor progression.
Yan Kong, Hui Lu
wiley +1 more source
The Mathematical Foundations of 3D Compton Scatter Emission Imaging
International Journal of Biomedical Imaging, 2007 The mathematical principles of tomographic imaging using detected (unscattered) X- or gamma-rays are based on the two-dimensional Radon transform and many of its variants.
T. T. Truong, M. K. Nguyen, H. Zaidi
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Inversion of the V-line transform for breast cancer detection with Compton camera
Biomath, 2017 In the recent past, Compton camera became an attractive alternative to the Anger camera in scintimammography, known as nuclear medicine breast imaging or molecular breast imaging.
Rim Gouia-Zarrad
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Defect‐Rich 2D Layered Double Hydroxides Enhance Sonodynamic Antibacterial Therapy
Advanced Science, EarlyView.This study develops defect‐rich ultrathin ZnCuW‐LDH nanosheets (DR‐ZnCuW‐LDH) via acid etching. DR‐ZnCuW‐LDH exhibits fourfold enhanced US‐triggered ROS production due to oxygen defects and electronic modulation, demonstrating potent antibacterial efficacy in vitro/vivo.
Qian Liu +6 more
wiley +1 more source
Analysis of the weighted conical Radon transform
Journal of Physics CommunicationsIn this article, we consider the weighted conical Radon transform—the transform is motivated by Compton camera imaging as well as optical tomography. Our contribution involves introducing new inversion formulas for the weighted conical Radon transform ...
Nguyen Ngoc Duy
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