This feature allows you to adjust the contrast of a processed image.
Parameters
This table provides a description and value range of the value parameter for the contrast operation.
| Parameter | Description | Value range |
|---|---|---|
| value | Contrast adjustment. 0 indicates the original contrast. A value smaller than 0 indicates a contrast lower than the original contrast, and a value greater than 0 indicates a contrast higher than the original contrast. | [-100, 100] |
Example
- Adjust only the contrast of the source image. To see this example, follow the following link:
http://image-demo.oss-cn-hangzhou.aliyuncs.com/example.jpg?x-oss-process=image/contrast,-50
- Scale down an image to 200 in width and adjust its contrast. To see this example, follow the following link:
