Use of the variable gain settings on SPOT
Photogrammetric Engineering and Remote Sensing
By: P.S. Chavez Jr.
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Abstract
Often the brightness or digital number (DN) range of satellite image data is less than optimal and uses only a portion of the available values (0 to 255) because the range of reflectance values is small. Most imaging systems have been designed with only two gain settings, normal and high. The SPOT High Resolution Visible (HRV) imaging system has the capability to collect image data using one of eight different gain settings. With the proper procedure this allows the brightness or reflectance resolution, which is directly related to the range of DN values recorded, to be optimized for any given site as compared to using a single set of gain settings everywhere. -from Author
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Use of the variable gain settings on SPOT |
| Series title | Photogrammetric Engineering and Remote Sensing |
| Volume | 55 |
| Issue | 2 |
| Year Published | 1989 |
| Language | English |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Photogrammetric Engineering and Remote Sensing |
| First page | 195 |
| Last page | 201 |
| Google Analytic Metrics | Metrics page |