1. Automated extraction of coastline from satellite imagery
H.Liu and K.C. Jezek

2. Introduction Why? Autonomous Navigation Geographical Exploration
Coastal Erosion Monitoring and Modelling
Coastal Resource Inventory and Management.
Boundary Detection Problem
Edge Detection
Image Segmentation

3. Methodology Overview
Pre-segmentation
Segmentation
Post-segmentation

4. Pre-segmentation Processing Algorithms
Noise Removal
Edge Enhancement

5. Image Segmentation
Local Thresholds
Bimodal Gaussian Curve

6. Image Segmentation
PDF
Lenvenberg-Margardt method
Canny Edge Detector

7. Image Segmentation

8. Image Segmentation Where to start? Solve the quadratic

9. Post Segmentation Processing
Region Grouping and Labelling
Delineating
Vectorization

10. Application Example
Antarctic Imaging Campaign in 1997
SAR Images

11. Discussion and Conclusions
Image Quality
Improvements
Liu & Jezek 2004