'Anisotropic diffusion' diaporamas de présentation

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Sparse Representations and the Basis Pursuit Algorithm*

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Anisotropic Diffusion

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Chandrajit Bajaj cs.utexas/~bajaj

Lecture 11: Multiscale Bio-Modeling and Visualization Organ Models I: Synapses and Transport Mechanisms. Chandrajit Bajaj http://www.cs.utexas.edu/~bajaj. The Brain Organ System I. Axonal transport of membranous organelles. Action Potentials. Neuronal Synapses.

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Advanced MRI Methods

Advanced MRI Methods. Atam P Dhawan. Functional MRI (fMRI). fMRI aims to measure the hemodynamic response related to neural activity. Can measures changes in blood oxygenation levls in neural tissue (in brain or nervous systems).

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Despeckle Filtering in Medical Ultrasound Imaging

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Filtering

Filtering. Objective improve SNR and CNR Challenges blurs object boundaries and smears out important structures. Averaging using rotating mask. Consider each image pixel (i,j). Calculate dispersion in the mask for all possible mask rotations about (i,j).

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A New Approach of Anisotropic Diffusion: M edical I mage Application

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LCIS: A Boundary Hierarchy For Detail-Preserving Contrast Reduction

LCIS: A Boundary Hierarchy For Detail-Preserving Contrast Reduction. Jack Tumblin and Greg Turk Georgia Institute of Technology SIGGRAPH 1999 Presented by Rob Glaubius. Motivation. Detail visible almost everywhere in a scene Difficult to capture rich detail in high-contrast scenes

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Contourlet Transforms For Feature Detection Literature Review

Contourlet Transforms For Feature Detection Literature Review. Wei-shi Tsai March 6th, 2008. Feature Detection. Focus will be on edge detection Gradient operators (Sobel, Roberts) Laplacian operators LoG (Laplacian of Gaussian) DoG (Difference of Gaussians) Canny method

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Math 3360: Mathematical Imaging

Math 3360: Mathematical Imaging. Lecture 14: Illustration of Isotropic diffusion & Anisotropic diffusion Image denoising through energy minimization. Prof. Ronald Lok Ming Lui Department of Mathematics, The Chinese University of Hong Kong. Isotropic diffusion. Original image.

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Karl Krissian (collaborator) James Miller (GE)

Flux Diffusion in ITK Implement in ITK a specific version of anisotropic diffusion for noise removal. Team. Plan/Expected Challenges. Algorithms: noise removal in 3D. Karl Krissian (collaborator) James Miller (GE).

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