ExtractBiggestBlob Class

Extract the biggest blob from image.

Inheritance Hierarchy

SystemObject
Accord.Imaging.FiltersExtractBiggestBlob

Namespace: Accord.Imaging.Filters
Assembly: Accord.Imaging (in Accord.Imaging.dll) Version: 3.8.0

Syntax

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public class ExtractBiggestBlob : IFilter, 
	IFilterInformation

Public Class ExtractBiggestBlob
	Implements IFilter, IFilterInformation

Request Example View Source

The ExtractBiggestBlob type exposes the following members.

Constructors

	Name	Description
	ExtractBiggestBlob	Initializes a new instance of the ExtractBiggestBlob class

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Properties

	Name	Description
	BlobPosition	Position of the extracted blob.
	FormatTranslations	Format translations dictionary.
	OriginalImage	Original image, which is the source of the processed image where the biggest blob is searched for.

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Methods

	Name	Description
	Apply(Bitmap)	Apply filter to an image.
	Apply(BitmapData)	Apply filter to an image.
	Apply(UnmanagedImage)	Apply filter to an image (not implemented).
	Apply(UnmanagedImage, UnmanagedImage)	Apply filter to an image (not implemented).
	Equals	Determines whether the specified object is equal to the current object. (Inherited from Object.)
	Finalize	Allows an object to try to free resources and perform other cleanup operations before it is reclaimed by garbage collection. (Inherited from Object.)
	GetHashCode	Serves as the default hash function. (Inherited from Object.)
	GetType	Gets the Type of the current instance. (Inherited from Object.)
	MemberwiseClone	Creates a shallow copy of the current Object. (Inherited from Object.)
	ToString	Returns a string that represents the current object. (Inherited from Object.)

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Extension Methods

	Name	Description
	HasMethod	Checks whether an object implements a method with the given name. (Defined by ExtensionMethods.)
	IsEqual	Compares two objects for equality, performing an elementwise comparison if the elements are vectors or matrices. (Defined by Matrix.)
	To(Type)	Overloaded. 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.)
	ToT	Overloaded. 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

The filter locates the biggest blob in the source image and extracts it. The filter also can use the source image for the biggest blob's location only, but extract it from another image, which is set using OriginalImage property. The original image usually is the source of the processed image.

The filter accepts 8 bpp grayscale images and 24/32 color images for processing as source image passed to Apply(Bitmap) method and also for the OriginalImage.

Sample usage:

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// create filter
var filter = new ExtractBiggestBlob();

// apply the filter
Bitmap biggestBlobsImage = filter.Apply(image);

Initial image:

Result image:

Reference

Accord.Imaging.Filters Namespace