SIFT implementation.
Inheritance Hierarchy
OpenCvSharpDisposableObject
OpenCvSharpDisposableCvObject
OpenCvSharp.CPlusPlusAlgorithm
OpenCvSharp.CPlusPlusFeatureDetector
OpenCvSharp.CPlusPlusFeature2D
OpenCvSharp.CPlusPlusSIFT
Namespace: OpenCvSharp.CPlusPlus
Assembly: OpenCvSharp.CPlusPlus (in OpenCvSharp.CPlusPlus.dll) Version: 1.0.0.0 (1.0.0.0)
Syntax
The SIFT type exposes the following members.
Constructors
Name | Description | |
---|---|---|
SIFT |
The SIFT 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.) | |
CvPtr |
Native pointer of OpenCV structure
(Inherited from DisposableCvObject.) | |
DescriptorSize |
returns the descriptor size in float's (64 or 128)
| |
DescriptorType |
returns the descriptor type
| |
Info |
Algorithm information
(Inherited from Algorithm.) | |
InfoPtr |
Pointer to algorithm information (cv::AlgorithmInfo*)
(Overrides FeatureDetectorInfoPtr.) | |
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.) | |
Name |
Returns the algorithm name
(Inherited from Algorithm.) |
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.) | |
BuildDoGPyramid | ||
BuildGaussianPyramid | ||
Compute(Mat, KeyPoint, Mat) |
Compute the descriptors for a set of keypoints in an image.
(Inherited from Feature2D.) | |
Compute(IEnumerableMat, KeyPoint, IEnumerableMat) |
Compute the descriptors for a keypoints collection detected in image collection.
(Inherited from Feature2D.) | |
CreateAlgorithm |
Creates a cv::Algorithm object using cv::Algorithm::create()
| |
Detect(Mat, Mat) |
Detect keypoints in an image.
(Inherited from FeatureDetector.) | |
Detect(IEnumerableMat, IEnumerableMat) |
Detect keypoints in an image set.
(Inherited from FeatureDetector.) | |
Dispose |
Releases the resources
(Inherited from DisposableObject.) | |
Dispose(Boolean) |
Releases the resources
(Overrides Feature2DDispose(Boolean).) | |
Empty |
Return true if detector object is empty
(Inherited from FeatureDetector.) | |
Equals | (Inherited from Object.) | |
Finalize |
Destructor
(Inherited from DisposableObject.) | |
FindScaleSpaceExtrema | ||
GetAlgorithm |
Returns the algorithm parameter
(Inherited from Algorithm.) | |
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.) | |
MemberwiseClone | (Inherited from Object.) | |
NotifyMemoryPressure |
Notifies the allocated size of memory.
(Inherited from DisposableObject.) | |
ParamHelp | (Inherited from Algorithm.) | |
ParamType | (Inherited from Algorithm.) | |
Release |
Clean up any resources being used.
(Inherited from Algorithm.) | |
Run(InputArray, InputArray) |
Extract features and computes their descriptors using SIFT algorithm
| |
Run(InputArray, InputArray, KeyPoint, OutputArray, Boolean) |
detects keypoints and computes the SIFT descriptors for them.
| |
Run(InputArray, InputArray, KeyPoint, Single, Boolean) |
detects keypoints and computes the SIFT descriptors for them.
| |
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