Water Segmentation in QGIS

Introduction¶

Learning Objectives¶

Water Segmentation Panel Overview¶

Configuring Input Data¶

Selecting the Input Raster¶

Band Configuration¶

Running Water Segmentation¶

Patch-Based Inference Parameters¶

OpenStreetMap Integration¶

Running the Segmentation¶

Output Options¶

Raster Output¶

Vector Output¶

Post-Processing Parameters¶

Practical Considerations¶

Permanent vs. Temporary Water Features¶

Common Failure Modes¶

Combining with Other Panels¶

Key Takeaways¶

Exercises¶

Exercise 1: Water Body Mapping with Band Configuration¶

Exercise 2: OSM Integration Comparison¶

Exercise 3: Precision and Performance Trade-offs¶

Exercise 4: Multi-temporal Water Extent Analysis¶