Class FaceDetector

Face detector.

Inheritance
Object
FaceDetector
Implements
Inherited Members
Namespace: VisioForge.Core.CV
Assembly: VisioForge.Core.CV.dll
Syntax
public class FaceDetector : IDisposable

Constructors

FaceDetector()

Initializes a new instance of the FaceDetector class.

Declaration
public FaceDetector()

Properties

DrawColor

Gets or sets the draw color.

Declaration
public SKColor DrawColor { get; set; }
Property Value
Type Description
SKColor

DrawEnabled

Gets or sets a value indicating whether draw enabled.

Declaration
public bool DrawEnabled { get; set; }
Property Value
Type Description
Boolean

DrawShapeType

Gets or sets the draw shape type.

Declaration
public CVShapeType DrawShapeType { get; set; }
Property Value
Type Description
CVShapeType

FramesToSkip

Gets or sets the frames to skip. Use this value to improve performance. Default is 5.

Declaration
public int FramesToSkip { get; set; }
Property Value
Type Description
Int32
Remarks

Usually you can analyze 5 frames per second video. For example is you have 30 fps video you can set this value to (30 / 5) - 1 = 5.

Initialized

Gets a value indicating whether initialized.

Declaration
public bool Initialized { get; }
Property Value
Type Description
Boolean

MaxFaceSize

Gets or sets the maximal face size. Objects larger than that are ignored.

Declaration
public Size MaxFaceSize { get; set; }
Property Value
Type Description
Size

MinFaceSize

Gets or sets the minimal face size. Objects smaller than that are ignored.

Declaration
public Size MinFaceSize { get; set; }
Property Value
Type Description
Size

MinNeighbors

Gets or sets the minimal neighbors count, specifying how many neighbors each candidate rectangle should have to retain it.

Declaration
public int MinNeighbors { get; set; }
Property Value
Type Description
Int32

ScaleFactor

Gets or sets the scale factor, specifying how much the image size is reduced at each image scale.

Declaration
public float ScaleFactor { get; set; }
Property Value
Type Description
Single

VideoScale

Gets or sets the video scale value. 1.0 by default.

Declaration
public double VideoScale { get; set; }
Property Value
Type Description
Double

Methods

Clear()

Clears.

Declaration
public void Clear()

Dispose()

Dispose.

Declaration
public void Dispose()

Dispose(Boolean)

Dispose.

Declaration
protected virtual void Dispose(bool disposing)
Parameters
Type Name Description
Boolean disposing

Disposing parameter.

Finalize()

Finalizes an instance of the FaceDetector class.

Declaration
protected void Finalize()

Init(String, String, String, String, Boolean)

Init.

Declaration
public void Init(string faceCascadeFile, string eyeCascadeFile, string noseFileName, string mouthFileName, bool gpu)
Parameters
Type Name Description
String faceCascadeFile

Face cascade file.
String eyeCascadeFile

Eye cascade file.
String noseFileName

Nose cascade file.
String mouthFileName

Mouth cascade file.
Boolean gpu

True to use CUDA.

Process(RAWImage, TimeSpan)

Process.

Declaration
public CVFace[] Process(RAWImage frame, TimeSpan timestamp)
Parameters
Type Name Description
RAWImage frame

The frame.
TimeSpan timestamp

Timestamp.
Returns
Type Description
CVFace[]

The CVFace.

Process(VideoFrame)

Process.

Declaration
public CVFace[] Process(VideoFrame frame)
Parameters
Type Name Description
VideoFrame frame

The frame.
Returns
Type Description
CVFace[]

The CVFace.

UpdateSettings()

Updates settings.

Declaration
public void UpdateSettings()

Events

OnFaceDetected

Face detected event.

Declaration
public event EventHandler<CVFaceDetectedEventArgs> OnFaceDetected
Event Type
Type Description
EventHandler<CVFaceDetectedEventArgs>

Implements

IDisposable