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    Class BinaryThresholdFilter

    A filter to binarize an image.

    Inheritance
    System.Object
    BinaryThresholdFilter
    Implements
    IImageFilter
    Namespace: IronBarCode
    Assembly: IronBarCode.dll
    Syntax
    public class BinaryThresholdFilter : Object, IImageFilter

    Constructors

    BinaryThresholdFilter()

    Initializes a new instance of the BinaryThresholdFilter class.

    Declaration
    public BinaryThresholdFilter()

    BinaryThresholdFilter(BinarizationMethod)

    Initializes a new instance of the BinaryThresholdFilter class with the specified threshold and binarization method to use.

    Declaration
    public BinaryThresholdFilter(BinarizationMethod binarizationMethod)
    Parameters
    Type Name Description
    BinarizationMethod binarizationMethod

    Binarization method to use.

    BinaryThresholdFilter(Color, Color, Single)

    Initializes a new instance of the BinaryThresholdFilter class with the specified upper and lower colors, and threshold.

    Declaration
    public BinaryThresholdFilter(Color upper, Color lower, float threshold)
    Parameters
    Type Name Description
    IronSoftware.Drawing.Color upper

    The color to use for pixels that are above the threshold.

    IronSoftware.Drawing.Color lower

    The color to use for pixels that are below the threshold.

    System.Single threshold

    Threshold limit (0.0-1.0) to consider for binarization.

    BinaryThresholdFilter(Color, Color, Single, BinarizationMethod)

    Initializes a new instance of the BinaryThresholdFilter class with the specified upper and lower colors, threshold, and binarization method.

    Declaration
    public BinaryThresholdFilter(Color upper, Color lower, float threshold, BinarizationMethod binarizationMethod)
    Parameters
    Type Name Description
    IronSoftware.Drawing.Color upper

    The color to use for pixels that are above the threshold.

    IronSoftware.Drawing.Color lower

    The color to use for pixels that are below the threshold.

    System.Single threshold

    Threshold limit (0.0-1.0) to consider for binarization.

    BinarizationMethod binarizationMethod

    Binarization method to use.

    BinaryThresholdFilter(Color, Color, Single, Rectangle)

    Initializes a new instance of the BinaryThresholdFilter class with the specified Upper, Lower, Threshold and Rectangle.

    Declaration
    public BinaryThresholdFilter(Color upper, Color lower, float threshold, Rectangle rectangle)
    Parameters
    Type Name Description
    IronSoftware.Drawing.Color upper

    The color to use for pixels that are above the threshold.

    IronSoftware.Drawing.Color lower

    The color to use for pixels that are below the threshold.

    System.Single threshold

    Threshold limit (0.0-1.0) to consider for binarization.

    IronSoftware.Drawing.Rectangle rectangle

    Rectangle region to apply the filter on.

    BinaryThresholdFilter(Color, Color, Single, Rectangle, BinarizationMethod)

    Initializes a new instance of the BinaryThresholdFilter class with the specified upper and lower colors, threshold, rectangle, and binarization method.

    Declaration
    public BinaryThresholdFilter(Color upper, Color lower, float threshold, Rectangle rectangle, BinarizationMethod binarizationMethod)
    Parameters
    Type Name Description
    IronSoftware.Drawing.Color upper

    The color to use for pixels that are above the threshold.

    IronSoftware.Drawing.Color lower

    The color to use for pixels that are below the threshold.

    System.Single threshold

    Threshold limit (0.0-1.0) to consider for binarization.

    IronSoftware.Drawing.Rectangle rectangle

    Rectangle region to apply the filter on.

    BinarizationMethod binarizationMethod

    Binarization method to use.

    BinaryThresholdFilter(Single)

    Initializes a new instance of the BinaryThresholdFilter class with the specified threshold.

    Declaration
    public BinaryThresholdFilter(float threshold)
    Parameters
    Type Name Description
    System.Single threshold

    Threshold to apply for binarization. Must be between [0.0-1.0].

    BinaryThresholdFilter(Single, BinarizationMethod)

    Initializes a new instance of the BinaryThresholdFilter class with the specified threshold and binarization.

    Declaration
    public BinaryThresholdFilter(float threshold, BinarizationMethod binarizationMethod)
    Parameters
    Type Name Description
    System.Single threshold

    Threshold to apply for binarization. Must be between [0.0-1.0].

    BinarizationMethod binarizationMethod

    Binarization method to use.

    Properties

    BinarizationMethod

    Binarization method to use. Default = Otsu's Method.

    Declaration
    public BinarizationMethod BinarizationMethod { get; set; }
    Property Value
    Type Description
    BinarizationMethod

    Lower

    The color to use for pixels that are below the threshold.

    Declaration
    public Color Lower { get; set; }
    Property Value
    Type Description
    IronSoftware.Drawing.Color

    Rectangle

    Rectangle region to apply the filter on.

    Declaration
    public Rectangle Rectangle { get; set; }
    Property Value
    Type Description
    IronSoftware.Drawing.Rectangle

    Threshold

    The threshold to apply binarization of the image. Must be between [0.0-1.0]. Default = 0.4. With Otsu's method, this value is not used.

    Declaration
    public float Threshold { get; set; }
    Property Value
    Type Description
    System.Single

    Upper

    The color to use for pixels that are above the threshold.

    Declaration
    public Color Upper { get; set; }
    Property Value
    Type Description
    IronSoftware.Drawing.Color

    Implements

    IImageFilter
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