Automatic Line Network Extraction from Aerial Imagery of Urban Areas through Knowledge Based Image Analysis.
Abstract
The whole process will consist of the following major processing steps: application of procedures for starting point search of the road network; application of procedures for road extraction from the image by setting out from the starting points; application of procedures for subimage segmentation on the basis of general contrast evaluation; compilation of all resulting objects, object sections, and image segments into a data base for image segments; application of procedures for structure analysis of image segments; compilation of a model of a typical suburban area: objects, features, relations and hierarchies between objects to be stored in a semantic net; comparison of object structures found in the image with model structures to achieve labeling; data dependent iterative improvement and refinement of object structure labeling via prediction and verification, and selection of road structures for display and assessment.
Document Details
- Document Type
- Technical Report
- Publication Date
- Jan 20, 1987
- Accession Number
- ADA192314
Entities
People
- H. Kazmierczak