sharpen
Sharpness of the output image.
The sharpen parameter increases the definition of the edges of objects in an image.
Syntax
sharpen=a{a},r{r},t{t}Sub-parameters
| Param | Units | Description |
|---|---|---|
a | Number | Amount - Decimal number between 0 and 10. |
r | Number | Radius - Decimal number between 0.5 and 1000. |
t | Integer | Threshold - whole number between 0 and 255. |
Notes
- The sharpen parameter is an implementation of an unsharp mask.
Examples
Click the links to view the transformed image using a demo Fastly IO service.
| Example usage | Description |
|---|---|
?sharpen=a5,r2,t1 | Increase the sharpness of the image by amount:5, radius:2, and threshold:1 |