Zettabyte Object Storage

Brightness Adjustment

2026-01-26 02:43:16

This document helps you understand brightness adjustment.

 

Operation Scenarios

ZOS supports brightness adjustment. You can adjust the overall brightness of the source image using brightness parameters.

 

Constraints and Restrictions

 

Description

Operator: bright

Parameter Name

Purpose

Value

Required

[value]

Adjusts the image brightness.

[-100,100]

  • Values < 0: Brightness decreases progressively.

  • Value = 0: Brightness remains unchanged.

  • Values > 0: Brightness increases progressively.

Yes

 

Example

  • To decrease image brightness by 50, the specific request parameter is:

image/bright,-50

  • To increase image brightness by 50, the specific request parameter is:

image/bright,50



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