This topic describes the parameters and examples to blur an image.

Parameters

Operation name: blur

The following table lists the parameters.

Parameter Description Valid value
r The blur radius. [1,50]

A greater value indicates a blurrier image.

s The standard deviation of a normal distribution. [1,50]

A greater value indicates a blurrier image.

Examples

  • Set the radius to 3 px and standard deviation to 2 px.

    The URL used to process the image is in the following format: <Source image URL>? x-oss-process=image/blur,r_3,s_2

  • Scale down an image to 200 px in width. Blur it by setting the radius to 3 px and standard deviation to 2 px.

    The URL used to process the image is in the following format: <Source image URL>? x-oss-process=image/resize,w_200/blur,r_3,s_2