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Abstract

This paper describes work in progress at the JRC on the potential for automatic revision of land cover maps using remote sensing data for the whole of Europe at 1:100,000 scale. The research on the automatic updating is concerned with a number of important issues in thematic mapping such as high accuracy image classification, image data generalisation, correspondences between image classes and pre-defined mapping classes. Studies are reported which have been undertaken in Portugal on inter-comparisons between first edition and revised land cover maps, which reveal considerable subjectivity problems in the conventional mapping procedures. Some conclusions are drawn on the implications of these subjectivity issues for automatic updating via remote sensing, and some possible approaches involving the possibility of knowledge-based decision-making are described.

Additional information

Authors: WILKINSON G, JRC Ispra (IT);FOLVING S, JRC Ispra (IT);FULLERTON K, JRC Ispra (IT);MÉGIER J, JRC Ispra (IT)
Bibliographic Reference: Paper presented: Congress of the International Society for Photogrammetry and Remote Sensing, Washington D.C. (US), August 2-14, 1992
Availability: Available from (1) as Paper EN 36946 ORA
Record Number: 199210994 / Last updated on: 1994-12-02
Category: PUBLICATION
Original language: en
Available languages: en