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    Gmagick::medianfilterimage

    (PECL gmagick >= Unknown)

    Gmagick::medianfilterimage — Applies a digital filter

    Descrizione

    public Gmagick::medianfilterimage(float $radius): void

    Applies a digital filter that improves the quality of a noisy image. Each pixel is replaced by the median in a set of neighboring pixels as defined by radius.

    Elenco dei parametri

    radius

    The radius of the pixel neighborhood.

    Valori restituiti

    Gmagick object with median filter applied.

    Errori/Eccezioni

    Throws an GmagickException on error.

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    User Contributed Notes 1 note

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    jeff at arizonacoders dot com
    9 years ago
    For people like me who like a quick reference, the filters are:

    FILTER_UNDEFINED => UndefinedFilter
    FILTER_POINT => PointFilter
    FILTER_BOX => BoxFilter
    FILTER_TRIANGLE => TriangleFilter
    FILTER_HERMITE => HermiteFilter
    FILTER_HANNING => HanningFilter
    FILTER_HAMMING => HammingFilter
    FILTER_BLACKMAN => BlackmanFilter
    FILTER_GAUSSIAN => GaussianFilter
    FILTER_QUADRATIC => QuadraticFilter
    FILTER_CUBIC => CubicFilter
    FILTER_CATROM => CatromFilter
    FILTER_MITCHELL => MitchellFilter
    FILTER_LANCZOS => LanczosFilter
    FILTER_BESSEL => BesselFilter
    FILTER_SINC => SincFilter

    Ref: https://github.com/vitoc/gmagick/blob/master/gmagick_helpers.c
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