imagingbook.pub.sift

Class SiftDetector

java.lang.Object

imagingbook.pub.sift.SiftDetector

public class SiftDetector
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	SiftDetector.NeighborhoodType Types of 3D neighborhoods used in min/max detection
static class	SiftDetector.Parameters

Constructor Summary

Constructors

Constructor and Description
SiftDetector(ij.process.FloatProcessor fp)
SiftDetector(ij.process.FloatProcessor fp, SiftDetector.Parameters params)

Method Summary

Modifier and Type	Method and Description
List<Double>	findPeakOrientationIndices(float[] oh) Used for debugging/illustrations only!
List<KeyPoint>	getKeyPoints()
List<SiftDescriptor>	getSiftFeatures() THE REAL STUFF: Creating the SIFT Descriptors
List<KeyPoint>	makeRichKeypoints(List<KeyPoint> keypoints) Only used for debugging: produces key points with orientation histograms attached for display purposes.
void	printGaussianScaleSpace()

Methods inherited from class java.lang.Object

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

Constructor Detail

SiftDetector

public SiftDetector(ij.process.FloatProcessor fp)

SiftDetector

public SiftDetector(ij.process.FloatProcessor fp,
                    SiftDetector.Parameters params)

Method Detail

makeRichKeypoints

public List<KeyPoint> makeRichKeypoints(List<KeyPoint> keypoints)

Only used for debugging: produces key points with orientation histograms attached for display purposes.

Parameters:

keypoints - the sequence of original key points

Returns:

a sequence of enhanced key points

findPeakOrientationIndices

public List<Double> findPeakOrientationIndices(float[] oh)

Used for debugging/illustrations only!

Parameters:

oh - orientation histogram

Returns:

list of histogram indices for the peak orientations

getSiftFeatures

public List<SiftDescriptor> getSiftFeatures()

THE REAL STUFF: Creating the SIFT Descriptors

Returns:

the sequence of extracted SIFT descriptors

getKeyPoints

public List<KeyPoint> getKeyPoints()

printGaussianScaleSpace

public void printGaussianScaleSpace()