Road Extraction
Function Overview
Automatically extract road lines from a 3-channel image file.
Usage
Click Classification > Deep Learning Road Extraction
Parameter Settings
- Douglas Simplification: Check to simplify the road contours.
- Length Threshold: The larger this value, the more significant the simplification effect.
- Delete Length Less Than: Delete road contour lines shorter than the specified value to filter out incorrectly identified roads.
- Output Path: Set the output path and format for the resulting vector file.
Input
High-resolution imagery (10-25 cm) with 8-bit depth and at least three bands.
Model Architecture
The model is built on the PP-LiteSeg architecture from the PaddleSeg package.
Accuracy Metrics
The model achieves a mean Intersection over Union (mIoU) of 81%.