Interactive Image Feature Compilation For Geographic Information Systems

Robert A Schowengerdt; Richard A Pries

doi:10.1117/12.945699

12 October 1988 Interactive Image Feature Compilation For Geographic Information Systems

Robert A Schowengerdt, Richard A Pries

Proceedings Volume 0924, Recent Advances in Sensors, Radiometry, and Data Processing for Remote Sensing; (1988) https://doi.org/10.1117/12.945699
Event: 1988 Technical Symposium on Optics, Electro-Optics, and Sensors, 1988, Orlando, FL, United States

Abstract

Image processing techniques are described that assist an operator in delineating planimetric features in digital imagery. The techniques are simple, robust and highly efficient, allowing the processing to occur at interactive rates. The operator defines a general path for the feature, for example a road, by moving a cursor along the road. Simultaneously, the computer processes a moving window of pixel data along the direction defined by the operator and produces a centerline for the road. These data are converted into vector form and entered into line sets for subsequent GIS Processing or mapping applications. By combining manual and computer-assisted feature delineation, an efficient, less labor-intensive, more objective feature extraction approach results. An example application of this approach to road mapping in a rural area is presented.

Citation Download Citation

Robert A Schowengerdt and Richard A Pries "Interactive Image Feature Compilation For Geographic Information Systems", Proc. SPIE 0924, Recent Advances in Sensors, Radiometry, and Data Processing for Remote Sensing, (12 October 1988); https://doi.org/10.1117/12.945699

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