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 |