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imagick_unsharpmask
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imagick_unsharpmask

(PECL)

imagick_unsharpmask -- Sharpen image

Description

bool imagick_unsharpmask ( resource image, float radius, float sigma, float amount, float threshold )

Warning

This function is currently not documented; only the argument list is available.

Parameters

image

Image handle

radius

Radius of the pixel neighborhood not counting the center pixel

sigma

Standard deviation of the Gaussian in pixels

amount

Percentage of the difference between the original and the blur image that is added back into the original

threshold

Threshold in pixels needed to apply the diffence amount

Return Values

Returns TRUE on success or FALSE on failure.

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