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PROCESSING OF SCANNED IMAGERY FOR CARTOGRAPHIC FEATURE EXTRACTION.

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Abstract

Digital cartographic data are usually captured by manually digitizing a map or an interpreted photograph or by automatically scanning a map. Both techniques first require manual photointerpretation to describe features of interest. A new approach, bypassing the laborious photointerpretation phase, is being explored using direct digital image analysis. Aerial photographs are scanned and color separated to create raster data. These are then enhanced and classified using several techniques to identify roads and buildings. Finally, the raster representation of these features is refined and vectorized. 11 refs.

Additional Publication Details

Publication type:
Conference Paper
Publication Subtype:
Conference Paper
Title:
PROCESSING OF SCANNED IMAGERY FOR CARTOGRAPHIC FEATURE EXTRACTION.
ISBN:
081860588X
Year Published:
1984
Language:
English
Publisher:
IEEE
Publisher location:
New York, NY, USA
First page:
222
Last page:
230
Number of Pages:
9
Conference Title:
Proceedings - PECORA 9: Spatial Information Technologies for Remote Sensing Today and Tomorrow.
Conference Location:
Sioux Falls, ND, USA