搜索结果: 1-15 共查到“生物医学工程 Diffusion”相关记录27条 . 查询时间(0.156 秒)
Diffusion Tensor Imaging and Its Application to Traumatic Brain Injury: Basic Principles and Recent Advances
Brain Network Connectivity High Angular Resolution Diffusion Imaging (HARDI) Diffusion Tensor Imaging (DTI) Neurocircuitry
2013/1/30
Traumatic axonal injury is a progressive process evoked by shear forces on the brain, gradually evolving from focal axonal alteration and cumulating in neural disconnection. Clinical classifiers and c...
Non-rigid registration of breast surfaces using the laplace and diffusion equations
breast surfaces the laplace diffusion equations
2010/2/25
A semi-automated, non-rigid breast surface registration method is presented that involves solving the Laplace or diffusion equations over undeformed and deformed breast surfaces. The resulting potenti...
Image Enhancement and Denoising by Complex Diffusion Processes
Scale-space image filtering image denoising image enhancement nonlinear diffusion complex diffusion edge
2010/1/7
The linear and nonlinear scale spaces, generated by the inherently real-valued diffusion equation, are generalized to complex diffusion processes, by incorporating the free Schro¨dinger equation. A fu...
Image Enhancement and Denoising by Complex Diffusion Processes
Scale-space image filtering image denoising image enhancement nonlinear diffusion complex diffusion edge
2010/1/7
The linear and nonlinear scale spaces, generated by the inherently real-valued diffusion equation, are generalized to complex diffusion processes, by incorporating the free Schro¨dinger equation. A fu...
Regularized Shock Filters and Complex Diffusion
Shock filters deblurring denoising image enhancement complex diffusion image features
2010/1/7
We address the issue of regularizing Osher and Rudin’s shock filter, used for image deblurring, in order to allow processes that are more robust against noise. Previous solutions to the problem sugges...
Regularized Shock Filters and Complex Diffusion
Shock filters deblurring denoising image enhancement complex diffusion image features
2010/1/7
We address the issue of regularizing Osher and Rudin’s shock filter, used for image deblurring, in order to allow processes that are more robust against noise. Previous solutions to the problem sugges...
Forward-and-Backward Diffusion Process for Adaptive Image Enhancement and Denoising
Adaptive denoising anisotropic diffusion Beltrami flow color processing image enhancement inverse diffusion scale–space
2010/1/7
Signal and image enhancement is considered in the context of a new type of diffusion process that simultaneously enhances,sharpens,and denoises images.The nonlinear diffusion coefficient
is locally a...
Forward-and-Backward Diffusion Process for Adaptive Image Enhancement and Denoising
Adaptive denoising anisotropic diffusion Beltrami flow color processing image enhancement inverse diffusion scale–space
2010/1/7
Signal and image enhancement is considered in the context of a new type of diffusion process that simultaneously enhances,sharpens,and denoises images.The nonlinear diffusion coefficient
is locally a...
Gabor Feature Space Diffusion via the Minimal Weighted Area Method
Gabor analysis Geometric-based algorithms Geodesic active contours Beltrami framework Anisotropic diffusion image manifolds minimal weighted area method
2010/1/7
Gabor feature space is elaborated for representation,processing and segmentation of textured images. As a first step of preprocessing of images represented in this space, we introduce an algorithm for...
Gabor Feature Space Diffusion via the Minimal Weighted Area Method
Gabor analysis Geometric-based algorithms Geodesic active contours Beltrami framework Anisotropic diffusion image manifolds minimal weighted area method
2010/1/7
Gabor feature space is elaborated for representation,processing and segmentation of textured images. As a first step of preprocessing of images represented in this space, we introduce an algorithm for...
Comprehensive approach for motion and distortion correction in diffusion weighted MRI
Comprehensive approach motion and distortion correction diffusion weighted MRI
2009/12/23
Comprehensive approach for motion and distortion correction in diffusion weighted MRI.
Partial Volume Reduction by Interpolation with Reverse Diffusion
Partial Volume Reduction Interpolation
2009/9/8
Many medical images suffer from the partial volume effect where a boundary between two structures of interest falls in the midst of a voxel giving a signal value that is a mixture of the two. We propo...
The Application of Diffusion- and Perfusion-Weighted Magnetic Resonance Imaging in the Diagnosis and Therapy of Acute Cerebral Infarction
Imaging Diagnosis Therapy of Acute Cerebral Infarction
2009/9/8
Diffusion- and perfusion-weighted magnetic resonance imaging (DWI and PWI) was applied for stroke diagnose in 120 acute (<48 h) ischemic stroke patients. At hyperacute (<6 h) stage, it is difficult to...
A Fast Reconstruction Algorithm for Fluorescence Optical Diffusion Tomography Based on Preiteration
Fluorescence Optical Diffusion Tomography Preiteration
2009/9/7
Fluorescence optical diffusion tomography in the near-infrared (NIR) bandwidth is considered to be one of the most promising ways for noninvasive molecular-based imaging. Many reconstructive approache...
Improving the Accuracy of the Diffusion Model in Highly Absorbing Media
Diffusion Model Highly Absorbing Media
2009/9/7
The diffusion approximation of the Boltzmann transport equation is most commonly used for describing the photon propagation in turbid media. It produces satisfactory results in weakly absorbing and hi...