ISIS Application Documentation
thmvisflat | Standard View | TOC | Home |
This program applies a flat field correction to Themis VIS Images
Description
Categories
Groups
Examples
History
Description
Categories
Parameter Groups
Files
| Name | Description |
|---|---|
| FROM | Input Themis VIS image |
| TO | Output Themis VIS Imagw |
Files: FROM
Description
This is the non-flat-field corrected, unprojected themis cube
| Type | cube |
|---|---|
| File Mode | input |
| Filter | *.cub |
Files: TO
Description
This is the flat-field corrected themis cube
| Type | cube |
|---|---|
| File Mode | output |
| Pixel Type | real |
| Filter | *.cub |
Examples
Example 1
Running this program on a themis vis image
Description
Command Line
Input Image
![Raw Data](javascript:popUpNewWindow ("assets/images/raw.jpg",154, 550)) 
Raw Data
|
Input Cube Data This is the raw input data; notice the bottom of each framelet is darker than the rest (fades to black). This is a consistent problem with the camera. |
Output Image
![Corrected Output](javascript:popUpNewWindow ("assets/images/out.jpg",154, 550)) 
Corrected Output
|
The corrected image This is the output from this program; notice each framelet ends sharply now. Other minor corrections exist, but the most noticable correction is data from the darker area is brightened. |
History
| Steven Lambright | 2008-06-13 | Original version |
| U.S. Department of the Interior | U.S. Geological Survey ISIS | Privacy & Disclaimers | Astrogeology Research Program To contact us, please post comments and questions on the USGS Astrogeology Discussion Board To report a bug, or suggest a feature go to: ISIS Github File Modified: 02/21/2025 20:06:00 |