axip.ailia

Class AiliaFeatureExtractorModel

java.lang.Object

axip.ailia.AiliaFeatureExtractorModel

All Implemented Interfaces:

java.lang.AutoCloseable

public class AiliaFeatureExtractorModel
extends java.lang.Object
implements java.lang.AutoCloseable

Wrapper class for feature extractor

Constructor Summary

Constructors

Constructor and Description
AiliaFeatureExtractorModel(long netHandle, AiliaNetworkImageFormat format, AiliaNetworkImageChannel channel, AiliaNetworkImageRange range, java.lang.String layerName) Constructor

Method Summary

Modifier and Type	Method and Description
void	close() It destroys the feature extraction instance.
void	compute(float[] dst, byte[] src, int srcStride, int srcWidth, int srcHeight, AiliaImageFormat srcFormat) Performs feature extraction.
float	match(AiliaFeatureExtractorDistanceType distanceType, float[] feature1, float[] feature2) Computes distances in feature space.
float	match(int distanceType, float[] feature1, float[] feature2) Deprecated. match(AiliaFeatureExtractorDistanceType, float[], float[])

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

AiliaFeatureExtractorModel

public AiliaFeatureExtractorModel(long netHandle,
                                  AiliaNetworkImageFormat format,
                                  AiliaNetworkImageChannel channel,
                                  AiliaNetworkImageRange range,
                                  java.lang.String layerName)
                           throws AiliaException

Constructor

Parameters:

netHandle - A network instance handle

format - The network image format (AiliaNetworkImageFormat)

channel - The network image channel (AiliaNetworkImageChannel)

range - The network image range (AiliaNetworkImageRange)

layerName - The name of the layer corresponding to the feature (fc1 for VGG16 and NULL for the last layer)

Throws:

AiliaException - Exception

See Also:

AiliaFeatureExtractor.Create(long, int, int, int, String)

Method Detail

close

public void close()

It destroys the feature extraction instance.

Specified by:

close in interface java.lang.AutoCloseable

See Also:

AiliaFeatureExtractor.Destroy(long)

compute

public void compute(float[] dst,
                    byte[] src,
                    int srcStride,
                    int srcWidth,
                    int srcHeight,
                    AiliaImageFormat srcFormat)
             throws AiliaException

Performs feature extraction.

Parameters:

dst - The feature data

src - Image data (32 bpp)

srcStride - The number of bytes in 1 line

srcWidth - Image width

srcHeight - Image height

srcFormat - Image format (AiliaImageFormat)

Throws:

AiliaException - Exception

See Also:

AiliaFeatureExtractor.Compute(long, float[], int, byte[], int, int, int, int)

match

public float match(AiliaFeatureExtractorDistanceType distanceType,
                   float[] feature1,
                   float[] feature2)
            throws AiliaException

Computes distances in feature space.

Parameters:

distanceType - The type of the distance in feature space AiliaFeatureExtractorDistanceType

feature1 - The feature

feature2 - The other feature

Returns:

A distance in feature space

Throws:

AiliaException - Exception

See Also:

AiliaFeatureExtractor.Match(long, int, float[], int, float[], int)

match

@Deprecated
public float match(int distanceType,
                               float[] feature1,
                               float[] feature2)
                        throws AiliaException

Deprecated. match(AiliaFeatureExtractorDistanceType, float[], float[])

Throws:

AiliaException