HOGDescriptor

java.lang.Object
- org.opencv.objdetect.HOGDescriptor

public class HOGDescriptor
extends java.lang.Object

Field Summary

Fields
Modifier and Type Field and Description

static int DEFAULT_NLEVELS

static int L2Hys

Fields
Modifier and Type	Field and Description
`static int`	`DEFAULT_NLEVELS`
`static int`	`L2Hys`

Constructor Summary

Constructors
Constructor and Description
`HOGDescriptor()`
`HOGDescriptor(Size _winSize, Size _blockSize, Size _blockStride, Size _cellSize, int _nbins)`
`HOGDescriptor(Size _winSize, Size _blockSize, Size _blockStride, Size _cellSize, int _nbins, int _derivAperture, double _winSigma, int _histogramNormType, double _L2HysThreshold, boolean _gammaCorrection, int _nlevels)`
`HOGDescriptor(java.lang.String filename)`

Method Summary

Methods
Modifier and Type	Method and Description
`boolean`	`checkDetectorSize()`
`void`	`compute(Mat img, MatOfFloat descriptors)`
`void`	`compute(Mat img, MatOfFloat descriptors, Size winStride, Size padding, MatOfPoint locations)`
`void`	`computeGradient(Mat img, Mat grad, Mat angleOfs)`
`void`	`computeGradient(Mat img, Mat grad, Mat angleOfs, Size paddingTL, Size paddingBR)`
`void`	`detect(Mat img, MatOfPoint foundLocations, MatOfDouble weights)`
`void`	`detect(Mat img, MatOfPoint foundLocations, MatOfDouble weights, double hitThreshold, Size winStride, Size padding, MatOfPoint searchLocations)`
`void`	`detectMultiScale(Mat img, MatOfRect foundLocations, MatOfDouble foundWeights)`
`void`	`detectMultiScale(Mat img, MatOfRect foundLocations, MatOfDouble foundWeights, double hitThreshold, Size winStride, Size padding, double scale, double finalThreshold, boolean useMeanshiftGrouping)`
`Size`	`get_blockSize()`
`Size`	`get_blockStride()`
`Size`	`get_cellSize()`
`int`	`get_derivAperture()`
`boolean`	`get_gammaCorrection()`
`int`	`get_histogramNormType()`
`double`	`get_L2HysThreshold()`
`int`	`get_nbins()`
`int`	`get_nlevels()`
`MatOfFloat`	`get_svmDetector()`
`double`	`get_winSigma()`
`Size`	`get_winSize()`
`static MatOfFloat`	`getDaimlerPeopleDetector()`
`static MatOfFloat`	`getDefaultPeopleDetector()`
`long`	`getDescriptorSize()`
`double`	`getWinSigma()`
`boolean`	`load(java.lang.String filename)`
`boolean`	`load(java.lang.String filename, java.lang.String objname)`
`void`	`save(java.lang.String filename)`
`void`	`save(java.lang.String filename, java.lang.String objname)`
`void`	`setSVMDetector(Mat _svmdetector)`

Methods inherited from class java.lang.Object
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail
- DEFAULT_NLEVELS
```
public static final int DEFAULT_NLEVELS
```
  See Also:
  Constant Field Values
- L2Hys
```
public static final int L2Hys
```
  See Also:
  Constant Field Values

Constructor Detail

HOGDescriptor
```
public HOGDescriptor()
```

HOGDescriptor

public HOGDescriptor(Size _winSize,
             Size _blockSize,
             Size _blockStride,
             Size _cellSize,
             int _nbins)

HOGDescriptor

public HOGDescriptor(Size _winSize,
             Size _blockSize,
             Size _blockStride,
             Size _cellSize,
             int _nbins,
             int _derivAperture,
             double _winSigma,
             int _histogramNormType,
             double _L2HysThreshold,
             boolean _gammaCorrection,
             int _nlevels)

HOGDescriptor

public HOGDescriptor(java.lang.String filename)

Method Detail

checkDetectorSize
```
public boolean checkDetectorSize()
```

compute

public void compute(Mat img,
           MatOfFloat descriptors)

compute

public void compute(Mat img,
           MatOfFloat descriptors,
           Size winStride,
           Size padding,
           MatOfPoint locations)

computeGradient

public void computeGradient(Mat img,
                   Mat grad,
                   Mat angleOfs)

computeGradient

public void computeGradient(Mat img,
                   Mat grad,
                   Mat angleOfs,
                   Size paddingTL,
                   Size paddingBR)

detect

public void detect(Mat img,
          MatOfPoint foundLocations,
          MatOfDouble weights)

detect

public void detect(Mat img,
          MatOfPoint foundLocations,
          MatOfDouble weights,
          double hitThreshold,
          Size winStride,
          Size padding,
          MatOfPoint searchLocations)

detectMultiScale

public void detectMultiScale(Mat img,
                    MatOfRect foundLocations,
                    MatOfDouble foundWeights)

detectMultiScale

public void detectMultiScale(Mat img,
                    MatOfRect foundLocations,
                    MatOfDouble foundWeights,
                    double hitThreshold,
                    Size winStride,
                    Size padding,
                    double scale,
                    double finalThreshold,
                    boolean useMeanshiftGrouping)

get_blockSize
```
public Size get_blockSize()
```

get_blockStride
```
public Size get_blockStride()
```

get_cellSize
```
public Size get_cellSize()
```

get_derivAperture
```
public int get_derivAperture()
```

get_gammaCorrection
```
public boolean get_gammaCorrection()
```

get_histogramNormType
```
public int get_histogramNormType()
```

get_L2HysThreshold
```
public double get_L2HysThreshold()
```

get_nbins
```
public int get_nbins()
```

get_nlevels
```
public int get_nlevels()
```

get_svmDetector
```
public MatOfFloat get_svmDetector()
```

get_winSigma
```
public double get_winSigma()
```

get_winSize
```
public Size get_winSize()
```

getDaimlerPeopleDetector

public static MatOfFloat getDaimlerPeopleDetector()

getDefaultPeopleDetector

public static MatOfFloat getDefaultPeopleDetector()

getDescriptorSize
```
public long getDescriptorSize()
```

getWinSigma
```
public double getWinSigma()
```

load

public boolean load(java.lang.String filename)

load

public boolean load(java.lang.String filename,
           java.lang.String objname)

save

public void save(java.lang.String filename)

save

public void save(java.lang.String filename,
        java.lang.String objname)

setSVMDetector

public void setSVMDetector(Mat _svmdetector)

Class HOGDescriptor

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

DEFAULT_NLEVELS

L2Hys

Constructor Detail

HOGDescriptor

HOGDescriptor

HOGDescriptor

HOGDescriptor

Method Detail

checkDetectorSize

compute

compute

computeGradient

computeGradient

detect

detect

detectMultiScale

detectMultiScale

get_blockSize

get_blockStride

get_cellSize

get_derivAperture

get_gammaCorrection

get_histogramNormType

get_L2HysThreshold

get_nbins

get_nlevels

get_svmDetector

get_winSigma

get_winSize

getDaimlerPeopleDetector

getDefaultPeopleDetector

getDescriptorSize

getWinSigma

load

load

save

save

setSVMDetector