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1. A signal model for fat-suppressed T 1 -mapping and dynamic contrast-enhanced MRI with interrupted spoiled gradient-echo readout NSTL国家科技图书文献中心

Wennen, Myrte |  Stehling, Wilhelm... -  《NMR in biomedicine》 - 2025,38(1) - e5289~e5289 - 共15页

摘要:The conventional gradient-echo steady-state |  signal model is the basis of various spoiled gradient |  that improves the accuracy of VFA T-1-mapping and DCE |  for interrupted spoiled gradient-echo (I-SPGR | -mapping I-SPGR sequence in the Gold Standard T-1-phantom
关键词: dynamic contrast-enhanced MRI |  fat suppression |  spoiled gradient echo |  T-1-mapping |  variable flip angle |  dynamic contrast‐enhanced MRI |  T1‐mapping

2. EPI proton resonant frequency temperature mapping at 0.5T in the brain: Comparison to single-echo gradient recalled echo NSTL国家科技图书文献中心

Martinez, Diego F. |  Wiens, Curtis N.... -  《Magnetic resonance in medicine》 - 2025,93(4) - 1733~1740 - 共8页

摘要: gradient recalled echo (SE-GRE) and EPI approaches to |  protocols used either a gradient recalled acquisition or | Purpose: Evaluate the use of both single-echo |  creating temperature maps on a mid-field head-only |  scanner, both in vivo and on a tissue mimicking
关键词: Echo planar imaging |  gradient recalled Echo |  magnetic resonance imaging |  MRI phantom |  temperature mapping |  thermometry

3. Microstructure-Informed Myelin Mapping (MIMM) from routine multi-echo gradient echo data using multiscale physics modeling of iron and myelin effects and QSM NSTL国家科技图书文献中心

Sisman, Mert |  Nguyen, Thanh D.... -  《Magnetic resonance in medicine》 - 2025,93(4) - 1499~1515 - 共17页

摘要:-Informed Myelin Mapping (MIMM), is proposed to quantify |  multi-gradient echo sequence (mGRE) using a multiscale | Purpose: Myelin quantification is used in the |  study of demyelination in neurodegenerative diseases | . A novel noninvasive MRI method, Microstructure
关键词: hollow cylinder fiber model |  multi gradient echo |  myelin volume faction |  quantitative susceptibility mapping (QSM) |  stochastic matching pursuit

4. Myelin water fraction mapping with joint inversion of gradient-echo and spin-echo data NSTL国家科技图书文献中心

Dega, Segolene |  Ferreira, Monica... -  《Magma》 - 2025,38(2) - 317~332 - 共16页

摘要: myelin-water imaging that jointly utilizes gradient |  methodsMulti-echo gradient-echo and spin-echo data were |  imaging improves when jointly inverting gradient-echo |  information from multi-echo gradient-echo and multi-echo | ObjectiveAccurate estimation of brain myelin
关键词: Myelin water imaging |  Myelin water fraction |  T2 and T*2 relaxation spectra relaxation spectra |  Joint inversion

5. Simultaneous Multiparameter Mapping of the Liver in a Single Breath-Hold or Respiratory-Triggered Acquisition Using Multi-Inversion Spin and Gradient Echo MRI NSTL国家科技图书文献中心

Manhard, Mary Kate |  Ramaniharan, Anandh ...... -  《Journal of magnetic resonance imaging》 - 2025,61(4) - 1925~1936 - 共12页

摘要: (MOLLI, T-1 mapping), breath-hold gradient and spin |  echo (GRASE, T-2 mapping), and multiple gradient echo | Background: Quantitative parametric mapping is |  parametric mapping techniques require multiple breath-held | : To investigate a multi-inversion spin and gradient
关键词: rapid relaxometry |  free breathing |  liver |  quantitative MRI

6. Global Least Squares Algorithm for 3D Elemental Surface Topography Reconstruction Using Quad-Segment Detector in X-ray Spectrometry NSTL国家科技图书文献中心

Hatam, Ebrahim Ghola... |  Pelicon, Primoz -  《Microscopy and microanalysis》 - 2025,31(1) - 共9页

摘要: in elemental mapping across diverse fields such as |  independent gradient components, distorted by noise, to |  calculate the gradient vector from X-ray data acquired by | 2D elemental imaging techniques such as micro | -X-ray fluorescence (micro-XRF) and micro-particle
关键词: elemental mapping |  gradient measurement |  least squares |  micro-PIXE |  spectrometric analysis |  surface reconstruction

7. A novel formulation for heat conduction using non-convex meshes based on smoothed finite element method NSTL国家科技图书文献中心

Shao-Wei Wu |  Rui Yang... -  《International Journal of Heat and Mass Transfer》 - 2025,237(Feb.) - 126310.1~126310.16 - 共16页

摘要:) An inverse coordinate mapping method is proposed by |  gradient smoothing operation, using the gradient |  matrix is achieved through the gradient smoothing | A novel formulation for non-convex polygon |  mesh based on cell-based smoothed finite element
关键词: Concave polygonal elements |  Smoothed finite element method |  Inverse coordinate mapping method |  Gradient smoothing method |  Heat conduction

8. Semi-supervised learning based on temporal-spatial adaptive algorithm and its recognition mechanism for carbonate ester production process monitoring NSTL国家科技图书文献中心

Li, Yao |  Ge, Xiaolong... -  《Chemical Engineering Research & Design》 - 2025,213 - 261~274 - 共14页

摘要: techniques including Gradient Class Activation Mapping and | While reactive distillation-based technique |  achieves effective process intensification, its |  complexity leads to increase in operation risk. By fully |  utilizing dynamic process data, establishing deep learning
关键词: Fault diagnosis |  Reactive distillation |  Semi-supervised learning |  Temporal-spatial confidence measure |  Interpretability |  Gradient class activation mapping

9. A single 1-min brain MRI scan for generating multiple synthetic image contrasts in awake children from quantitative relaxometry maps NSTL国家科技图书文献中心

Anandh Kilpattu,Rama... |  Amol,Pednekar... -  《Pediatric radiology》 - 2025,55(2) - 312~323 - 共12页

摘要: imaging (EPI)–based multi-inversion spin and gradient |  those from conventional mapping sequences including | %, -4%, and 23% compared to conventional mapping |  conventional mapping methods and showed strong repeatability | Abstract Background Diagnostically adequate
关键词: Brain MRI |  Multi-inversion spin and gradient echo |  Quantitative parameter mapping |  Rapid echo planar imaging

10. Explainable Disease Classification: Exploring Grad-CAM Analysis of CNNs and ViTs NSTL国家科技图书文献中心

Ali Alqutayfi |  Wadha Almattar... -  《Journal of Advances in Information Technology》 - 2025,16(2) - 264~273 - 共10页

摘要: Gradient-weighted Class Activation Mapping (Grad-CAM | Deep learning architectures, such as |  Convolutional Neural Networks (CNNs) and Vision Transformers |  (ViTs), are playing an increasingly crucial role in |  early diagnosis and treatment across medical fields
关键词: Explainable AI |  Vision transformer (ViT) |  Convolutional neural network (CNN) |  Medical imaging |  Gradient-weighted class activation mapping (Grad-CAM)
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