This document helps you understand contrast adjustment.
Operation Scenarios
ZOS supports contrast adjustments, enabling you to modify brightness distribution or color differentiation in stored images.
Constraints and Restrictions
For general limitations on the source format, file size, and image resolution, see Image Processing Overview - Image Restrictions.
For regions supporting contrast, see Product Capability Map.
Description
Operator: contrast
Parameter Name | Purpose | Value | Required |
[value] | Adjusts the image contrast. | [-100,100]
| Yes |
Example
To decrease image contrast by 80, the specific request parameter is:
image/contrast,-80
To increase image contrast by 80, the specific request parameter is:
image/contrast,80