The Base Class for Background/Foreground Segmentation.
The class is only used to define the common interface for
the whole family of background/foreground segmentation algorithms.
Inheritance Hierarchy
OpenCvSharpDisposableObject
OpenCvSharpDisposableCvObject
OpenCvSharp.CPlusPlusAlgorithm
OpenCvSharp.CPlusPlusBackgroundSubtractor
OpenCvSharp.CPlusPlusBackgroundSubtractorGMG
Namespace: OpenCvSharp.CPlusPlus
Assembly: OpenCvSharp.CPlusPlus (in OpenCvSharp.CPlusPlus.dll) Version: 1.0.0.0 (1.0.0.0)
Syntax
The BackgroundSubtractorGMG type exposes the following members.
Constructors
| Name | Description | |
|---|---|---|
 | BackgroundSubtractorGMG |
the default constructor
|
Properties
| Name | Description | |
|---|---|---|
 | AllocatedMemory |
Gets or sets a memory address allocated by AllocMemory.
(Inherited from DisposableObject.) |
| AllocatedMemorySize |
Gets or sets the byte length of the allocated memory
(Inherited from DisposableObject.) |
 | BackgroundPrior |
Prior probability that any given pixel is a background pixel. A sensitivity parameter.
|
| CvPtr |
Native pointer of OpenCV structure
(Inherited from DisposableCvObject.) |
| DecisionThreshold |
Value above which pixel is determined to be FG.
|
| Info |
Algorithm information
(Inherited from Algorithm.) |
| InfoPtr |
Pointer to algorithm information (cv::AlgorithmInfo*)
(Overrides BackgroundSubtractorInfoPtr.) |
| IsDisposed |
Gets a value indicating whether this instance has been disposed.
(Inherited from DisposableObject.) |
| IsEnabledDispose |
Gets or sets a value indicating whether you permit disposing this instance.
(Inherited from DisposableObject.) |
| LearningRate |
Set between 0.0 and 1.0, determines how quickly features are "forgotten" from histograms.
|
| MaxFeatures |
Total number of distinct colors to maintain in histogram.
|
| Name |
Returns the algorithm name
(Inherited from Algorithm.) |
| NumInitializationFrames |
Number of frames of video to use to initialize histograms.
|
| QuantizationLevels |
Number of discrete levels in each channel to be used in histograms.
|
| SmoothingRadius |
Smoothing radius, in pixels, for cleaning up FG image.
|
| UpdateBackgroundModel |
Perform background model update
|
Methods
| Name | Description | |
|---|---|---|
 | AllocGCHandle |
Pins the object to be allocated by cvSetData.
(Inherited from DisposableObject.) |
| AllocMemory |
Allocates the specified size of memory.
(Inherited from DisposableObject.) |
| Dispose |
Releases the resources
(Inherited from DisposableObject.) |
| Dispose(Boolean) |
Clean up any resources being used.
(Overrides BackgroundSubtractorDispose(Boolean).) |
| Equals | (Inherited from Object.) |
| Finalize |
Destructor
(Inherited from DisposableObject.) |
| GetAlgorithm |
Returns the algorithm parameter
(Inherited from Algorithm.) |
| GetBackgroundImage |
computes a background image
(Inherited from BackgroundSubtractor.) |
| GetBool |
Returns the algorithm parameter
(Inherited from Algorithm.) |
| GetDouble |
Returns the algorithm parameter
(Inherited from Algorithm.) |
| GetHashCode | (Inherited from Object.) |
| GetInt |
Returns the algorithm parameter
(Inherited from Algorithm.) |
| GetMat |
Returns the algorithm parameter
(Inherited from Algorithm.) |
| GetMatVector |
Returns the algorithm parameter
(Inherited from Algorithm.) |
| GetParams | (Inherited from Algorithm.) |
| GetString |
Returns the algorithm parameter
(Inherited from Algorithm.) |
| GetType | (Inherited from Object.) |
| Initialize |
Validate parameters and set up data structures for appropriate image size.
Must call before running on data.
|
| MemberwiseClone | (Inherited from Object.) |
| NotifyMemoryPressure |
Notifies the allocated size of memory.
(Inherited from DisposableObject.) |
| ParamHelp | (Inherited from Algorithm.) |
| ParamType | (Inherited from Algorithm.) |
| Release |
Releases all inner buffers.
|
| Run |
Performs single-frame background subtraction and builds up a statistical background image
(Overrides BackgroundSubtractorRun(InputArray, OutputArray, Double).) |
| SetAlgorithm |
Sets the algorithm parameter
(Inherited from Algorithm.) |
| SetBool |
Sets the algorithm parameter
(Inherited from Algorithm.) |
| SetDouble |
Sets the algorithm parameter
(Inherited from Algorithm.) |
| SetInt |
Sets the algorithm parameter
(Inherited from Algorithm.) |
| SetMat |
Sets the algorithm parameter
(Inherited from Algorithm.) |
| SetMatVector |
Sets the algorithm parameter
(Inherited from Algorithm.) |
| SetString |
Sets the algorithm parameter
(Inherited from Algorithm.) |
| ThrowIfDisposed |
If this object is disposed, then ObjectDisposedException is thrown.
(Inherited from DisposableObject.) |
| ToString |
Returns a string that represents this Algorithm.
(Inherited from Algorithm.) |
Fields
| Name | Description | |
|---|---|---|
 | dataHandle |
Gets or sets a handle which allocates using cvSetData.
(Inherited from DisposableObject.) |
| ptr |
Data pointer
(Inherited from DisposableCvObject.) |
See Also