| Abstract: | Remote-sensor images, including aerial and space photographs, are generally recorded on film, where the differences in density create the image of the scene. With panchromatic and multiband systems the density differences are recorded in shades of gray. On color or color infrared film, with the emulsion containing dyes sensitive to different wavelengths, a color image is created by a combination of color densities. The colors, however, can be separated by filtering or other techniques, and the color image reduced to monochromatic images in which each of the separated bands is recorded as a function of the gray scale. |
| Genre: | USGS Unnumbered Series |
| ProdID: | 7000079 |
| Citation Author: | Edson, D.; Colvocoresses, Alden P. |
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| Citation Language: | ENGLISH |
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| Citation Phsyical Description: | 7 p. : col. maps ; 23 cm. |
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| Citation Series: | General Interest Publication |
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| Citation Search Results Text: | Autographic theme extraction; 1973; USGS Unnumbered Series; GIP; Edson, D.; Colvocoresses, Alden P. |
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| Citation Year: | 1973 |
| Type: | citation/reference |
| Text: | Autographic theme extraction; 1973; USGS Unnumbered Series; GIP; Edson, D.; Colvocoresses, Alden P. |
| URL (THUMBNAIL): | http://pubs.usgs.gov/gip/7000079/report-thumb.jpg |
| URL (DOCUMENT): | http://pubs.usgs.gov/gip/7000079/report.pdf |
| Date Other: | Mon, 1 Jan 1973 00:00 -0600 |
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