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Parallelization of a data-driven independent component analysis to analyze large 3D-polarized light imaging data sets / vorgelegt von Dipl.-Ing. Giuseppe Teodoro Maria Tabbì aus Dortmund. Wuppertal, April 2016
Inhalt
Kurzfassung
Abstract
Introduction
Principles of 3D-Polarized Light Imaging
Histological Preparation of Brain Tissue
Polarimetric Measurement
Jones Calculus applied on 3D-PLI
Fourier Analysis of the 3D-PLI Signal
Workflow
Principles of the Independent Component Analysis
Blind Source Separation
Information Based Maximization
Ambiguities of Independent Component Analysis
Pre-processing
Constrained Independent Component Analysis for 3D-PLI
High Performance Computing
System Configuration of JuDGE
Parallel Programming Paradigms
Parallel Programming Strategies
Parallel Programming Models
Development of an Adapted Constrained Independent Component Analysis on White and Gray Matter
Experimental Setup
Methods
Results
Discussion
Parameter Optimization of the Adapted Constrained Independent Component Analysis
Methods
Results
Discussion
A New Parallelization Concept for Adapted Constrained Independent Component Analysis
Concept Development, Implementation and Procedure
Development of a Parallelized ICA Concept
Implementation
Experimental Procedure
Results
Scalability
GPU Acceleration
Validation and Consistency
Summary of Achievements
Discussion
Conclusion and Outlook
Derivation of the 3D-PLI Signal
Jones Calculus for the LAP
Jones Calculus for the PM
Derivation of the Phase Retardation
Derivation of the Natural-gradient Version of Infomax
Nongaussianity for Source Signals in Independent Component Analysis
Basis vectors
List of Figures
List of Tables
List of Algorithms
Bibliography
Acknowledgements