Imagick
PHP Manual

Imagick::setImageBiasQuantum

Sets the image bias

Warning

This function has been DEPRECATED as of Imagick 3.4.4. Relying on this function is highly discouraged.

Description

public void Imagick::setImageBiasQuantum(float $bias)

Sets the image bias. Bias should be scaled with 0 (no adjustment) to 1 (quantum value).

Parameters

bias

Return Values