Contrast

You can use the GUI, code, or APIs to configure the contrast of an image.

Table 1 lists the parameters in detail.

Operation name: contrast

**Table 1** Contrast description
Parameter	Value Description	Code Example
value	Contrast of images, ranging [-100, 100]. The original contrast value is 0. The contrast becomes stronger as the value increases from -100 to 100.	image/contrast,-50

https://obs.region.example.com/image-demo/example.jpg?x-image-process=image/contrast,-50

Click to enlarge

Parent topic: Setting Image Effects

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