ALBERT

Note: Contents About the editors Foreword 1 Introduction / Gerardo Di Martino and Antonio Iodice 1.1 Maritime surveillance 1.2 Synthetic aperture radar systems 1.2.1 SAR principles and main SAR missions 1.2.2 Coherent nature of SAR systems: polarimetry, interferometry, and speckle 1.3 Book organization 1.3.1 Part I: Models and techniques 1.3.2 Part II: Applications References Part I: Models and techniques 2 Scattering models / Daniele Riccio, Giuseppe Ruello, Pasquale Iervolino and Raffaella Guida 2.1 Introduction 2.2 Sea surface models 2.2.1 Spectral representation 2.2.2 First order representation 2.3 Electromagnetic scattering from the sea surface 2.4 Scattering models for a ship 2.4.1 RCS estimation of a canonical ship 2.4.2 RCS distribution 2.4.3 Uncertainty budget analysis 2.4.4 Model inaccuracy and validation References 3 Acquisition modes / Gerardo Di Martino, Antonio Iodice and Andrea Monti-Guarnieri 3.1 Introduction 3.2 Stripmap mode 3.3 Staring spotlight mode 3.4 Sliding spotlight mode 3.5 ScanSAR mode 3.6 TOPSAR mode 3.7 Wave mode 3.8 Experimental modes 3.8.1 Low-PRF mode 3.8.2 Coprime SAR 3.8.3 Compressive sensing SAR 3.8.4 Staggered SAR 3.9 Summary References 4 SAR polarimetry / Maurizio Migliaccio, Ferdinando Nunziata and Andrea Buono 4.1 Introduction 4.2 Polarimetric SARs 4.3 Radar polarimetry 4.4 Target scattering decomposition 4.5 Polarimetric sea surface scattering 4.6 Conclusions Acknowledgments List of acronyms References 5 Ambiguity problems and their mitigation / Gerardo Di Martino, Antonio Iodice and Domenico Velotto 5.1 Introduction 5.2 Azimuth ambiguity modeling 5.3 Azimuth ambiguity mitigation in single channel SAR images 5.3.1 Point-like targets 5.3.2 Distributed targets 5.4 Azimuth ambiguity mitigation in polarimetric SAR images 5.4.1 Method based on polarimetric analysis 5.4.2 Methods based on relation between channels 5.5 Summary Acknowledgments References Part II: Applications 6 Ship detection / Gui Gao, Sheng Gao, Juan He and Kazuo Ouchi 6.1 Introduction 6.2 Ship detection in single-channel SAR images 6.2.1 Sublook spectral analysis 6.2.2 CFAR 6.2.3 Adaptive threshold 6.3 Statistical models of sea clutter 6.3.1 Brief survey of state-of-the-art models 6.3.2 Several known models 6.4 Ship detection in multichannel SAR images 6.4.1 Brief survey on detection methods of conventional multipolarization 6.4.2 Several recent methods of conventional multipolarization 6.4.3 Brief survey on detection methods of compact polarization 6.4.4 Brief survey on detection methods of along-track interferometry References 7 Monitoring of intertidal areas and coastal habitats / Martin Gade 7.1 Introduction 7.2 Signatures of sea bottom topography 7.3 Monitoring of temporal changes 7.4 Derivation of roughness parameters 7.5 Detection of habitats 7.6 Archaeological surveys 7.7 Summary References 8 Sea ice and icebergs / Wolfgang Dierking 8.1 Introduction 8.2 Microwave response of ice 8.3 Operational sea ice mapping 8.3.1 Manual generation of ice charts 8.3.2 Toward automated segmentation and classification 8.3.3 Incidence angle sensitivity 8.3.4 Melting conditions 8.4 Advanced measurement techniques 8.4.1 Polarimetry 8.4.2 Multifrequency 8.4.3 Interferometry 8.5 Ice displacement and deformation 8.6 Icebergs 8.7 Validation 8.8 Conclusions Acknowledgments References 9 SAR oil spill imaging, interpretation and information retrieval techniques / Camilla Brekke and Cathleen E. Jones 9.1 Information items requested and gaps 9.2 Challenges 9.2.1 Polarization diversity 9.2.2 Imaging repeat interval 9.2.3 The weather window 9.2.4 Transport and weathering of oil pollutants 9.2.5 False alarms 9.3 Interpretation and modeling 9.3.1 Contrast drivers 9.3.2 Surface scattering models 9.3.3 Influence of instrument noise 9.4 Dark slick detection and characterization techniques 9.4.1 Slick detection and segmentation 9.4.2 Slick type discrimination 9.4.3 Slick transport and evolution 9.5 Concluding remarks and outlook Acknowledgments References 10 Joint use of SAR and collaborative signals / Raffaella Guida, Pasquale Iervolino and Maximilian Rodger 10.1 Interoperability opportunities in the maritime scenario 10.2 Collaborative signals 10.2.1 Automatic identification system (AIS) 10.2.2 Vessel monitoring system (VMS) 10.2.3 Long-range identification tracking (LRIT) 10.2.4 VHF data exchange system (VDES) 10.3 Applications 10.3.1 Ship detection and tracking 10.4 Main challenges References 11 Sea state and wind speed / Gerardo Di Martino and Antonio Iodice 11.1 Introduction 11.2 Sea surface statistical description 11.2.1 Sea surface waves 11.2.2 Sea surface modeled as a stochastic process 11.3 SAR images of the sea surface 11.4 Sea surface spectra retrieval using SAR images 11.5 Wind speed retrieval using SAR images 11.6 Concluding remarks and ocean monitoring further applications References Index