Difference between revisions of "File:Fafo2test0.gif"
| Line 6: | Line 6: | ||
The lightness of the gray level is proportional to the amplitude of the function, |
The lightness of the gray level is proportional to the amplitude of the function, |
||
| + | |||
| + | [[Category:Draft]] |
||
| + | [[Category:Fourier transform]] |
||
Latest revision as of 10:32, 21 June 2013
Test function used for the demonstration of filtering of images with the Fourier transform.
The function is defined as zero everywhere except the interior of ellipsis in vicinity of the origin of coordinates. This center is marked with the red cross.
Values inside the ellipsis are set to unity, but the additional 3 rectangles with zero values are added.
The lightness of the gray level is proportional to the amplitude of the function,
File history
Click on a date/time to view the file as it appeared at that time.
| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 17:50, 20 June 2013 |  | 642 × 642 (4 KB) | Maintenance script (talk | contribs) | Importing image file |
- You cannot overwrite this file.
File usage
There are no pages that link to this file.
