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Shrink Class

Shrink an image by removing specified color from its boundaries.
Inheritance Hierarchy
SystemObject
  Accord.Imaging.FiltersBaseTransformationFilter
    Accord.Imaging.FiltersShrink

Namespace:  Accord.Imaging.Filters
Assembly:  Accord.Imaging (in Accord.Imaging.dll) Version: 3.6.0
Syntax
public class Shrink : BaseTransformationFilter
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The Shrink type exposes the following members.

Constructors
  NameDescription
Public methodShrink
Initializes a new instance of the Shrink class.
Public methodShrink(Color)
Initializes a new instance of the Shrink class.
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Properties
  NameDescription
Public propertyColorToRemove
Color to remove from boundaries.
Public propertyFormatTranslations
Format translations dictionary.
(Overrides BaseTransformationFilterFormatTranslations.)
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Methods
  NameDescription
Public methodApply(Bitmap)
Apply filter to an image.
(Inherited from BaseTransformationFilter.)
Public methodApply(BitmapData)
Apply filter to an image.
(Inherited from BaseTransformationFilter.)
Public methodApply(UnmanagedImage)
Apply filter to an image in unmanaged memory.
(Inherited from BaseTransformationFilter.)
Public methodApply(UnmanagedImage, UnmanagedImage)
Apply filter to an image in unmanaged memory.
(Inherited from BaseTransformationFilter.)
Protected methodCalculateNewImageSize
Calculates new image size.
(Overrides BaseTransformationFilterCalculateNewImageSize(UnmanagedImage).)
Public methodEquals
Determines whether the specified object is equal to the current object.
(Inherited from Object.)
Protected methodFinalize
Allows an object to try to free resources and perform other cleanup operations before it is reclaimed by garbage collection.
(Inherited from Object.)
Public methodGetHashCode
Serves as the default hash function.
(Inherited from Object.)
Public methodGetType
Gets the Type of the current instance.
(Inherited from Object.)
Protected methodMemberwiseClone
Creates a shallow copy of the current Object.
(Inherited from Object.)
Protected methodProcessFilter
Process the filter on the specified image.
(Overrides BaseTransformationFilterProcessFilter(UnmanagedImage, UnmanagedImage).)
Public methodToString
Returns a string that represents the current object.
(Inherited from Object.)
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Extension Methods
  NameDescription
Public Extension MethodHasMethod
Checks whether an object implements a method with the given name.
(Defined by ExtensionMethods.)
Public Extension MethodIsEqual
Compares two objects for equality, performing an elementwise comparison if the elements are vectors or matrices.
(Defined by Matrix.)
Public Extension MethodToT
Converts an object into another type, irrespective of whether the conversion can be done at compile time or not. This can be used to convert generic types to numeric types during runtime.
(Defined by ExtensionMethods.)
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Remarks

Removes pixels with specified color from image boundaries making the image smaller in size.

The filter accepts 8 bpp grayscale and 24 bpp color images for processing.

Sample usage:

// create filter
Shrink filter = new Shrink( Color.Black );
// apply the filter
Bitmap newImage = filter.Apply( image );

Initial image:

Result image:

See Also