| Introduction to Applications and Methods | p. 1 |
| Introduction | p. 1 |
| Transformation and Data Representation | p. 3 |
| Fourier Analysis | p. 5 |
| Time-Frequency Representation | p. 6 |
| Time-Scale Representation: The Wavelet Transform | p. 9 |
| The Radon Transform | p. 12 |
| Mathematical Morphology | p. 12 |
| Edge Detection | p. 15 |
| First Order Derivative Edge Detection | p. 15 |
| Second Order Derivative Edge Detection | p. 19 |
| Segmentation | p. 20 |
| Pattern Recognition | p. 21 |
| Summary | p. 25 |
| Filtering | p. 27 |
| Introduction | p. 27 |
| Multiscale Transforms | p. 29 |
| The à Trous Isotropic Wavelet Transform | p. 29 |
| Multiscale Transforms Compared to Other Data Transforms | p. 30 |
| Choice of Multiscale Transform | p. 32 |
| The Multiresolution Support | p. 34 |
| Significant Wavelet Coefficients | p. 35 |
| Definition | p. 35 |
| Noise Modeling | p. 36 |
| Automatic Estimation of Gaussian Noise | p. 37 |
| Filtering and Wavelet Coefficient Thresholding | p. 45 |
| Thresholding | p. 45 |
| Iterative Filtering | p. 46 |
| Experiments | p. 47 |
| Iterative Filtering with a Smoothness Constraint | p. 49 |
| Haar Wavelet Transform and Poisson Noise | p. 51 |
| Haar Wavelet Transform | p. 52 |
| Poisson Noise and Haar Wavelet Coefficients | p. 52 |
| Experiments | p. 55 |
| Summary | p. 58 |
| Deconvolution | p. 59 |
| Introduction | p. 59 |
| The Deconvolution Problem | p. 60 |
| Linear Regularized Methods | p. 63 |
| Least Squares Solution | p. 63 |
| Tikhonov Regularization | p. 63 |
| Generalization | p. 64 |
| CLEAN | p. 65 |
| Bayesian Methodology | p. 66 |
| Definition | p. 66 |
| Maximum Likelihood with GaussianNoise | p. 66 |
| Gaussian Bayes Model | p. 67 |
| Maximum Likelihood with Poisson Noise | p. 67 |
| Poisson Bayes Model | p. 68 |
| Maximum Entropy Method | p. 68 |
| Other Regularization Models | p. 69 |
| Iterative Regularized Methods | p. 70 |
| Constraints | p. 70 |
| Jansson-Van Cittert Method | p. 71 |
| Other Iterative Methods | p. 71 |
| Wavelet-Based Deconvolution | p. 72 |
| Introduction | p. 72 |
| Wavelet-Vaguelette Decomposition | p. 73 |
| Regularization from the Multiresolution Support | p. 75 |
| Wavelet CLEAN | p. 79 |
| Multiscale Entropy | p. 84 |
| Deconvolution and Resolution | p. 86 |
| Super-Resolution | p. 87 |
| Definition | p. 87 |
| Gerchberg-Saxon-Papoulis Method | p. 87 |
| Deconvolution with Interpolation | p. 88 |
| Undersampled Point Spread Function | p. 89 |
| Multiscale Support Constraint | p. 90 |
| Conclusions and Summary | p. 90 |
| Detection | p. 93 |
| Introduction | p. 93 |
| From Images to Catalogs | p. 94 |
| Multiscale Vision Model | p. 98 |
| Introduction | p. 98 |
| Multiscale Vision Model Definition | p. 99 |
| From Wavelet Coefficients to Object Identification | p. 99 |
| Partial Reconstruction | p. 102 |
| Examples | p. 104 |
| Application to ISOCAM Data Calibration | p. 106 |
| Detection and Deconvolution | p. 110 |
| Conclusion | p. 112 |
| Summary | p. 113 |
| Image Compression | p. 115 |
| Introduction | p. 115 |
| Lossy Image Compression Methods | p. 117 |
| The Principle | p. 117 |
| Compression with Pyramidal Median Transform | p. 118 |
| PMT and Image Compression | p. 120 |
| Compression Packages | p. 123 |
| Remarks on These Methods | p. 124 |
| Comparison | p. 126 |
| Quality Assessment | p. 126 |
| Visual Quality | p. 127 |
| First Aladin Project Study | p. 128 |
| Second Aladin Project Study | p. 131 |
| Computation Time | p. 136 |
| Conclusion | p. 136 |
| Loss less Image Compression | p. 138 |
| Introduction | p. 138 |
| The Lifting Scheme | p. 139 |
| Comparison | p. 143 |
| Large Images: Compression and Visualization | p. 144 |
| Large Image Visualization Environment: LIVE | p. 144 |
| Decompression by Scale and by Region | p. 146 |
| TheSAO-DS9 LIVE Implementation | p. 146 |
| Summary | p. 149 |
| Multichannel Data | p. 151 |
| Introduction | p. 151 |
| The Wavelet-Karhunen-Loeve Transform | p. 151 |
| Definition | p. 151 |
| Correlation Matrix and Noise Modeling | p. 152 |
| Scale and Karhunen-Loaeve Transform | p. 153 |
| The WT-KLT Transform | p. 154 |
| TheWT-KLT Reconstruction Algorithm | p. 155 |
| Noise Modeling in the WT-KLT Space | p. 155 |
| Multichannel Data Filtering | p. 156 |
| Introduction | p. 156 |
| Reconstruction from a Subset of Eigenvectors | p. 156 |
| WT-KLT Coefficient Thresholding | p. 157 |
| Example: Astronomical Source Detection | p. 158 |
| The Haar-Multichannel Transform | p. 158 |
| Independent Component Analysis | p. 159 |
| Summary | p. 160 |
| An Entropic Tour of Astronomical Data Analysis | p. 163 |
| Introduction | p. 163 |
| The Concept of Entropy | p. 166 |
| Multiscale Entropy | p. 172 |
| Definition | p. 172 |
| Signal and Noise Information | p. 174 |
| Multiscale Entropy Filtering | p. 176 |
| Filtering | p. 176 |
| The Regularization Parameter | p. 177 |
| Use of a Model | p. 179 |
| The Multiscale Entropy Filtering Algorithm | p. 180 |
| Optimization | p. 181 |
| Examples | p. 181 |
| Deconvolution | p. 185 |
| The Principle | p. 185 |
| The Parameters | p. 186 |
| Examples | p. 187 |
| Multichannel Data Filtering | p. 187 |
| Background Fluctuation Analysis | p. 190 |
| Relevant Information in an Image | p. 191 |
| Multiscale Entropy and Optimal Compressibility | p. 192 |
| Conclusions and Summary | p. 194 |
| Astronomical Catalog Analysis | p. 197 |
| Introduction | p. 197 |
| Two-Point Correlation Function | p. 198 |
| Introduction | p. 198 |
| Determiningthe2-PointCorrelationFunction | p. 199 |
| Error Analysis | p. 200 |
| Correlation Length Determination | p. 201 |
| Creation of Random Catalogs | p. 201 |
| Examples | p. 202 |
| Fractal Analysis | p. 206 |
| Introduction | p. 206 |
| The Hausdorff and Minkowski Measures | p. 207 |
| The Hausdorff and Minkowski Dimensions | p. 208 |
| Multifractality | p. 209 |
| Generalized Fractal Dimension | p. 210 |
| Wavelet and Multifractality | p. 210 |
| Spanning Trees and Graph Clustering | p. 214 |
| Voronoi Tessellation and Percolation | p. 216 |
| Model-Based Clustering | p. 216 |
| Modeling of Signal and Noise | p. 217 |
| Application to Thresholding | p. 218 |
| Wavelet Analysis | p. 219 |
| Nearest Neighbor Clutter Removal | p. 221 |
| Summary | p. 222 |
| Multiple Resolution in Data Storage and Retrieval | p. 223 |
| Introduction | p. 223 |
| Wavelets in Database Management | p. 223 |
| Fast Cluster Analysis | p. 225 |
| Nearest Neighbor Finding on Graphs | p. 227 |
| Cluster-Based User Interfaces | p. 228 |
| Images from Data | p. 230 |
| Matrix Sequencing | p. 230 |
| Filtering Hypertext | p. 233 |
| Clustering Document-TermData | p. 235 |
| Summary | p. 239 |
| Towards the Virtual Observatory | p. 241 |
| Data and Information | p. 241 |
| The Information Handling Challenges Facing Us | p. 243 |
| à Trous Wavelet Transform | p. 245 |
| Picard Iteration | p. 251 |
| Wavelet Transform Using the Fourier Transform | p. 253 |
| Derivative Needed for the Minimization | p. 257 |
| Generalization of the Derivative Needed for the Minimization | p. 261 |
| Software and Related Developments | p. 263 |
| Bibliography | p. 265 |
| Index | p. 284 |
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