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1. Spherical echo-planar time-resolved imaging (sEPTI) for rapid 3D quantitative T 2 * and susceptibility imaging NSTL国家科技图书文献中心

Wang, Nan |  Liao, Congyu... -  《Magnetic resonance in medicine》 - 2025,93(1) - 121～137 - 共17页

摘要： iterative rank-shrinking B-0 estimation and odd-even high |  from field imperfections. A physics-informed unrolled | Purpose: To develop a 3D spherical EPTI (sEPTI | ) acquisition and a comprehensive reconstruction pipeline for |  rapid high-quality whole-brain submillimeter T-2* and
关键词： spherical EPTI (sEPTI) |  eddy current phase correction |  field inhomogeneity estimation |  submillimeter neuroimaging |  ultrafast T(2)(& lowast;)mapping and quantitative susceptibility mapping (QSM) |  ultrafast T2*$$ {mathrm{T}}_2^{ast } $$ mapping and quantitative susceptibility mapping (QSM)
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2. Joint B0 and Image Reconstruction in Low-Field MRI by Physics-Informed Deep-Learning NSTL国家科技图书文献中心

David Schote |  Lukas Winter... -  《IEEE Transactions on Biomedical Engineering》 - 2024,71(10) - 2842～2853 - 共12页

摘要： corrects for image distortion and noise in low-field |  estimation of spherical harmonic coefficients to guarantee |  a spatially smooth field map estimate. The SH-Net |  which jointly estimates the $B_{0}$ -field map as |  retrospectively simulated low-field data of human knees
关键词： Magnetic resonance imaging |  Image reconstruction |  Nonhomogeneous media |  Signal to noise ratio |  Biomedical engineering |  Image segmentation
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3. Disparity Distribution Equalization: An Effective Data Enhancement for Stereo Matching NSTL国家科技图书文献中心

Jiaxuan Zheng |  Jiayu Wu... -  《2024 6th International Conference on Pattern Analysis and Intelligent Systems: PAIS 2024, El Oued, Algeria, 24-25 April 2024》 -  International Conference on Pattern Analysis and Intelligent Systems - 2024, - 1～6 - 共6页

摘要： inhomogeneity of dataset disparity distribution in the field |  of binocular depth estimation. We performed | With the continuous development of |  convolutional neural networks(CNN), stereo matching algorithms |  have made great achievements. However, existing
关键词： Training |  Analytical models |  Statistical analysis |  Estimation |  Data augmentation |  Nonhomogeneous media |  Inference algorithms
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4. Robust T2 estimation with balanced steady state free precession NSTL国家科技图书文献中心

Oliver Bieri |  Claudia Weidensteine...... -  《Magnetic resonance in medicine: official journal of the Society of Magnetic Resonance in Medicine》 - 2024,91(6) - 2257～2265 - 共9页 - 被引量：1

摘要： flip angle, B1 field inhomogeneity, and the RF pulse |  performed to assess T2 estimation precision. Results | ) appears to directly affect the estimation of the |  enter T2 estimation, making it a potentially robust | Abstract Purpose To develop a novel signal
关键词： balanced steady‐state free precession |  bSSFP |  MRI |  phase‐cycling |  relaxometry |  T2
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5. Optimal design of adaptive neuro-fuzzy inference system using PSO and ant colony optimization for estimation of uncertain observed values NSTL国家科技图书文献中心

Danesh Mahdi |  Danesh Sedigheh -  《Soft computing: A fusion of foundations, methodologies and applications》 - 2024,28(1) - 135～152 - 共18页

摘要： observations and measurements have nature of inhomogeneity |  environment and presents fuzzy parameter estimation of fuzzy |  estimation methods are obtained by new learning algorithms |  practical examples in the field of machining process are |  have the nature of inhomogeneity, randomness, and
关键词： Uncertainty |  Fuzzy regression |  Linear programming |  Machining process |  Adaptive neuro-fuzzy inference system |  Ant colony |  Particle swarm
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6. Slice‐specific B1+ shimming improves the repeatability of multishot DWI at 7 T NSTL国家科技图书文献中心

Belinda Ding |  Sydney Nicole Willia...... -  《Magnetic resonance in medicine: official journal of the Society of Magnetic Resonance in Medicine》 - 2024,92(6) - 2560～2570 - 共11页

摘要：Abstract Purpose Compared with lower field |  increased distortion and blurring due to B0 inhomogeneity | + inhomogeneity. This study addresses the B1+ limitations using |  quantitative ADC estimation with regard to the improvement in |  strengths, DWI at 7 T faces the combined challenges of
关键词： diffusion imaging |  parallel transmission |  repeatability |  RF shimming |  ultra‐high‐field
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7. Influence of a Horizontally Polarized Wave Incidence on DOA Estimation by a Dipole Array Antenna in a Borehole NSTL国家科技图书文献中心

Satoshi Ebihara |  Kai Toyozawa... -  《IEEE Transactions on Geoscience and Remote Sensing》 - 2024,62 - 1～16 - 共16页 - 被引量：2

摘要： is caused by cylindrical inhomogeneity around the |  electromagnetic field from an incident plane wave depends on the |  a medium inside a borehole. Unique field |  estimation of an inclined conducting cylinder direction has | In this article, we claim that a vertical
关键词： Dipole antennas |  Antenna arrays |  Radar antennas |  Radar |  Directive antennas |  Radar polarimetry |  Direction-of-arrival estimation
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8. Multiscale and anisotropic characterization of images based on complexity: An application to turbulence NSTL国家科技图书文献中心

Granero-Belinchon, C... |  Roux, Stephane G.... -  《Physica, D. Nonlinear phenomena》 - 2024,459 - ARTN 134027～ - 共13页

摘要： images based on the estimation of the skewness |  non -linear dependencies of the field across scales |  flow where boundaries induce inhomogeneity and | This article presents a multiscale, non |  -linear and directional statistical characterization of
关键词： Turbulence |  Anisotropy |  Multiscale analysis |  High-order statistics |  Information theory |  Image processing |  INFORMATION-THEORY |  TEXTURE ANALYSIS |  LOCAL-STRUCTURE |  ENTROPY...
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9. Effect of nonlocality on the dispersion relations of mechanical metamaterials NSTL国家科技图书文献中心

Sinha, Rohit |  Varma, T. Venkatesh... -  《International Journal of Mechanical Sciences》 - 2024,279 - 109489～ - 共19页

摘要： revolutionised the field of engineering across length scales | , such as finer scale inhomogeneity like defects |  solving an inverse problem, similar to the estimation of | The advent of mechanical metamaterials, with |  their unconventional and programmable properties, has
关键词： Nonlocality |  Homogenisation |  Dispersion diagram |  Frequency bandgaps |  Transfer matrix |  ELASTICITY |  STATISTICS
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10. Anisotropic effect of regular particle distribution in elastic-plastic composites: The modified tangent cluster model and numerical homogenization NSTL国家科技图书文献中心

K. Bieniek |  M. Majewski... -  《International journal of engineering science》 - 2024,203(Oct.) - 104118.1～104118.27 - 共27页

摘要：Estimation of macroscopic properties of |  examine the anisotropy induced by regular inhomogeneity | -field models of thermoelastic media by taking into |  results of micromechanical mean-field modeling are |  heterogeneous materials has always posed significant problems
关键词： Periodic composite |  Micro-mechanics |  Effective properties |  Elasto-plasticity |  Particle interactions
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