| Abstract: | The U.S. Geological Survey is converting its primary map production and revision operations to use digital photogrammetric techniques. The primary source of data for these operations is the digital orthophoto quadrangle derived from National Aerial Photography Program images. These digital orthophotos are used on workstations that permit comparison of existing vector and raster data with the orthophoto and interactive collection and revision of the vector data. |
| Genre: | Conference Paper |
| ProdID: | 70018850 |
| Citation Author: | Greve, Clifford, W. |
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| Citation End Page: | 139 |
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| Citation Language: | English |
| Citation Larger Work Title: | Proceedings of SPIE - The International Society for Optical Engineering |
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| Citation Number Of Pages: | 4 |
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| Citation Publisher: | Society of Photo-Optical Instrumentation Engineers |
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| Citation Search Results Text: | Digital photogrammetry at the U.S. Geological Survey; 1995; Conference Paper; Proceedings of SPIE - The International Society for Optical Engineering; Greve, Clifford, W. |
| Citation Start Page: | 136 |
| Citation Volume: | 2486 |
| Citation Year: | 1995 |
| Type: | citation/reference |
| Text: | Digital photogrammetry at the U.S. Geological Survey; 1995; Conference Paper; Proceedings of SPIE - The International Society for Optical Engineering; Greve, Clifford, W. |
| URL (THUMBNAIL): | http://pubs.er.usgs.gov/thumbnails/outside_thumb.jpg |
| Date Other: | Sun, 1 Jan 1995 00:00 -0600 |
| Publisher: | Society of Photo-Optical Instrumentation Engineers |
