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Herold, Julia: A data mining approach for high-content fluorescence microscopy images of tissue samples. 2010
Inhalt
Introduction
Organization of the Thesis
Imaging for Protein Colocation Studies
Multi Protein Fluorescence Microscopy
Image Data
Pancreas Tissue Samples
Brain Tissue Samples
Summary
An Exploration System for Multivariate Fluorescence Tissue Images
Existing Methods for the Exploration of Multivariate TIS Data
Demands on an Object-Based Analysis Strategy for Non-Binary Multivariate Images
Semantic Image Annotation
Extraction of Object-Specific Features
Data Interpretation
Summary
Supervised Learning-Based Object Detection in Tissue Micrographs
Accuracy Assessment
Human Synapse Detection Performance
Discussion
Requirements Posed on a Supervised Learning-Based Object Detection Strategy
SVM Theory
Linear Support Vector Machines
Non Linear Support Vector Machines
Parameter Selection
Probabilistic Outputs for SVMs
The i3S for Object Detection
Image Preprocessing
Training Set Generation
i3S Training
Computation of Object Positions
Estimating a Constant Confidence Threshold
Case study I: Brain Tissue
The Influence of Training Set and Threshold Choice
The Influence of the Labeling Strategy and Constant Thresholds in an Inter-Image Detection Setup
i3S Performance in a Multi Protein Detection Setup
Discussion
Case study II: Pancreas Tissue
Results
Discussion
Summary
A Direct Visual Data Mining Tool for Three-Channel High-Content Micrographs
Image Preprocessing
Feature Extraction
Interactive Visual Data Exploration and Cell Type Classification
Results
Discussion
An Unsupervised Learning Approach for Data Mining d-dimensional Fluorescence Images
Feature Calculation
Image Enhancement and Normalization
Synapse Specific Feature Calculation
Cluster Analysis
Online K-means
Neural Gas
Hierarchically Growing Hyperbolic Self Organizing Maps (H2SOM)
Cluster Validation
Selecting a Distance Function
Visualizations of the Feature Domain for TIS Data Exploration
Prototype Visualization
Prototype Visualization via Combinatorial Intensity Profile Archetypes
Cluster Visualization
Visualizations in the Image Domain
Dimensionality Reduction Methods
Color Assignment
Statistical Comparison of Image Stacks
Pearson's Correlation Coefficient
Spearman's Rank Correlation Coefficient
Results
Estimating the Appropriate Number of Clusters
Stability of Cluster Results
Analysis of Protein Colocation and Inter Image Correlation
Comparison of Cluster Results of K-means, NG and H2SOM
Analysis of the Whole Protein Set
The Impact of Feature Calculation
The Impact of Semantic Image Annotation
Discussion
Summary
Statistical Synapse Distribution Analysis
Ripley's K and O-Ring Statistic
Ripley's K Statistic
O-ring Statistic
Numerical Estimation
Null Models for Univariate and Bivariate Point Patterns
Univariate Null Models
Bivariate Null Models
Sample Application
Analysis of Synapse Distribution
Class Specific Synapse Distribution
Discussion
Conclusion and Outlook
Appendix
Acronyms
Technical Abbreviations
Supplementary Figures
Supplementary Tables
Bibliography