The use of digital map data in the segmentation and classification of remotely-sensed images
- 1 January 1988
- journal article
- research article
- Published by Taylor & Francis in International Journal of Geographical Information Science
- Vol. 2 (3) , 195-215
- https://doi.org/10.1080/02693798808927896
Abstract
Remotely-sensed data constitute a major potential source of input to geographical information systems (GIS)However, these data often have a relatively poor classification accuracy compared with that of the cartographic data from maps with which they may be combined in the course of GIS analysis. The possibility exists of using data sets (in the form of digital maps) resident within a GIS in order to improve this accuracy, before the classified image is incorporated into the GIS. Results are discussed from a British Alvey Information Technology project to develop a system for the knowledge-based segmentation and classification of remotely-sensed terrain images, in which the knowledge contained in digital mapKeywords
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