| Abstract: | The objective of this study was to develop a digital procedure to measure the amount of urban change that has occurred in an area since the publication of its corresponding 1:24,000-scale topographic map. Traditional change detection techniques are dependent upon the visual comparison of high-altitude aerial photographs or, more recently, satellite image data to a corresponding map. Analytical change detection techniques typically involve the digital comparison of satellite images to one another. As a result of this investigation, a new technique has been developed that analytically compares the most recently published map to a corresponding digital satellite image. Scanned cartographic and satellite image data are combined in a single file with a structural component derived from the satellite image. This investigation determined that with this combination of data the spectral characteristics of urban change are predictable. A supervised classification was used to detect and delimit urban change. Although it was not intended to identify the specific nature of any change, this procedure does provide a means of differentiating between areas that have or have not experienced urbanization to determine appropriate map revision strategies. |
| Genre: | Conference Paper |
| ProdID: | 70016466 |
| Citation Author: | Spooner, Jeffrey, D. |
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| Citation Language: | English |
| Citation Larger Work Title: | GIS/LIS 1991 ACSM-ASPRS Fall Convention |
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| Citation Publisher: | Publ by ASPRS |
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| Citation Search Results Text: | Automated urban change detection using scanned cartographic and satellite image data; 1991; Conference Paper; GIS/LIS 1991 ACSM-ASPRS Fall Convention; Spooner, Jeffrey, D. |
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| Citation Year: | 1991 |
| Type: | citation/reference |
| Text: | Automated urban change detection using scanned cartographic and satellite image data; 1991; Conference Paper; GIS/LIS 1991 ACSM-ASPRS Fall Convention; Spooner, Jeffrey, D. |
| URL (THUMBNAIL): | http://pubs.er.usgs.gov/thumbnails/outside_thumb.jpg |
| Date Other: | Tue, 1 Jan 1991 00:00 -0600 |
| Publisher: | Publ by ASPRS |
