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BOWImgDescriptorExtractor Class

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Class to compute an image descriptor using the bag of visual words. Such a computation consists of the following steps: 1. Compute descriptors for a given image and its key points set. 2. Find the nearest visual words from the vocabulary for each key point descriptor. 3. Compute the bag-of-words image descriptor as is a normalized histogram of vocabulary words encountered in the image. The i-th bin of the histogram is a frequency of i-th word of the vocabulary in the given image.
Inheritance Hierarchy

Namespace:  Emgu.CV.Features2D
Assembly:  Emgu.CV.World (in Emgu.CV.World.dll) Version: 4.1.1.3497 (4.1.1.3497)
Syntax
public class BOWImgDescriptorExtractor : UnmanagedObject

The BOWImgDescriptorExtractor type exposes the following members.

Constructors
  NameDescription
Public methodBOWImgDescriptorExtractor
Create a BOWImgDescriptorExtractor
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Properties
  NameDescription
Public propertyPtr
Pointer to the unmanaged object
(Inherited from UnmanagedObject.)
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Methods
  NameDescription
Public methodCompute
Computes an image descriptor using the set visual vocabulary.
Public methodDispose
The dispose function that implements IDisposable interface
(Inherited from DisposableObject.)
Protected methodDisposeObject
Release all the unmanaged memory associated with this object
(Overrides DisposableObjectDisposeObject.)
Public methodEquals (Inherited from Object.)
Protected methodFinalize
Destructor
(Inherited from DisposableObject.)
Public methodGetHashCode (Inherited from Object.)
Public methodGetType (Inherited from Object.)
Protected methodMemberwiseClone (Inherited from Object.)
Protected methodReleaseManagedResources
Release the managed resources. This function will be called during the disposal of the current object. override ride this function if you need to call the Dispose() function on any managed IDisposable object created by the current object
(Inherited from DisposableObject.)
Public methodSetVocabulary
Sets a visual vocabulary.
Public methodToString (Inherited from Object.)
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Fields
  NameDescription
Protected field_ptr
A pointer to the unmanaged object
(Inherited from UnmanagedObject.)
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See Also