Digital image film generation: from the photoscientist's perspective
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Abstract
The technical sophistication of photoelectronic transducers, integrated circuits, and laser-beam film recorders has made digital imagery an alternative to traditional analog imagery for remote sensing. Because a digital image is stored in discrete digital values, image enhancement is possible before the data are converted to a photographic image. To create a special film-reproduction curve - which can simulate any desired gamma, relative film speed, and toe/shoulder response - the digital-to-analog transfer function of the film recorder is uniquely defined and implemented by a lookup table in the film recorder. Because the image data are acquired in spectral bands, false-color composites also can be given special characteristics by selecting a reproduction curve tailored for each band.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Digital image film generation: from the photoscientist's perspective |
| Series title | Journal of Applied Photographic Engineering |
| Volume | 8 |
| Issue | 1 |
| Year Published | 1982 |
| Language | English |
| Publisher | Society for Imaging Science and Technology |
| Contributing office(s) | Earth Resources Observation and Science (EROS) Center |
| Description | 8 p. |
| First page | 15 |
| Last page | 22 |
| Online Only (Y/N) | N |
| Additional Online Files (Y/N) | N |
| Google Analytic Metrics | Metrics page |