HOG (Histogram-of-Oriented-Gradients) Descriptor and Object Detector
Inheritance Hierarchy
OpenCvSharpDisposableObject
OpenCvSharpDisposableCvObject
OpenCvSharp.CPlusPlusHOGDescriptor
Namespace: OpenCvSharp.CPlusPlus
Assembly: OpenCvSharp.CPlusPlus (in OpenCvSharp.CPlusPlus.dll) Version: 1.0.0.0 (1.0.0.0)
Syntax
The HOGDescriptor type exposes the following members.
Constructors
Name | Description | |
---|---|---|
HOGDescriptor |
Default constructor
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HOGDescriptor(IntPtr) |
Initializes from pointer
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HOGDescriptor(String) | Initializes a new instance of the HOGDescriptor class | |
HOGDescriptor(NullableSize, NullableSize, NullableSize, NullableSize, Int32, Int32, Double, HistogramNormType, Double, Boolean, Int32) |
Creates the HOG descriptor and detector.
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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.) | |
BlockSize | ||
BlockStride | ||
CellSize | ||
CvPtr |
Native pointer of OpenCV structure
(Inherited from DisposableCvObject.) | |
DerivAperture | ||
GammaCorrection | ||
HistogramNormType | ||
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.) | |
L2HysThreshold | ||
Nbins | ||
NLevels | ||
WinSigma | ||
WinSize |
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.) | |
CheckDetectorSize | ||
Compute | ||
ComputeGradient | ||
Detect(Mat, Double, NullableSize, NullableSize, Point) |
Performs object detection without a multi-scale window.
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Detect(Mat, Double, Double, NullableSize, NullableSize, Point) |
Performs object detection without a multi-scale window.
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DetectMultiScale(Mat, Double, NullableSize, NullableSize, Double, Int32) |
Performs object detection with a multi-scale window.
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DetectMultiScale(Mat, Double, Double, NullableSize, NullableSize, Double, Int32) |
Performs object detection with a multi-scale window.
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DetectMultiScaleROI |
evaluate specified ROI and return confidence value for each location in multiple scales
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DetectROI |
evaluate specified ROI and return confidence value for each location
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Dispose |
Releases the resources
(Inherited from DisposableObject.) | |
Dispose(Boolean) |
Clean up any resources being used.
(Overrides DisposableCvObjectDispose(Boolean).) | |
Equals | (Inherited from Object.) | |
Finalize |
Destructor
(Inherited from DisposableObject.) | |
GetDaimlerPeopleDetector |
This method returns 1981 SVM coeffs obtained from daimler's base.
To use these coeffs the detection window size should be (48,96)
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GetDefaultPeopleDetector |
Returns coefficients of the classifier trained for people detection (for default window size).
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GetDescriptorSize | ||
GetHashCode | (Inherited from Object.) | |
GetType | (Inherited from Object.) | |
GetWinSigma | ||
GroupRectangles | ||
Load | ||
MemberwiseClone | (Inherited from Object.) | |
NotifyMemoryPressure |
Notifies the allocated size of memory.
(Inherited from DisposableObject.) | |
ReadALTModel |
read/parse Dalal's alt model file
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Save | ||
SetSVMDetector | ||
ThrowIfDisposed |
If this object is disposed, then ObjectDisposedException is thrown.
(Inherited from DisposableObject.) | |
ToString | (Inherited from Object.) |
Fields
Name | Description | |
---|---|---|
DaimlerPeopleDetector |
This field returns 1981 SVM coeffs obtained from daimler's base.
To use these coeffs the detection window size should be (48,96)
| |
dataHandle |
Gets or sets a handle which allocates using cvSetData.
(Inherited from DisposableObject.) | |
DefaultNlevels | ||
DefaultPeopleDetector |
Returns coefficients of the classifier trained for people detection (for default window size).
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L2Hys | ||
ptr |
Data pointer
(Inherited from DisposableCvObject.) | |
SizeOf |
sizeof(HOGDescriptor)
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See Also