org.openimaj.image.feature.local.keypoints

Class InterestPointKeypoint<T extends InterestPointData>

java.lang.Object

org.openimaj.image.feature.local.keypoints.Keypoint

org.openimaj.image.feature.local.keypoints.InterestPointKeypoint<T>

Type Parameters:

T - The type of InterestPointData

All Implemented Interfaces:

Serializable, Cloneable, FeatureVectorProvider<ByteFV>, LocalFeature<KeypointLocation,ByteFV>, LocalFeatureVectorProvider<KeypointLocation,ByteFV>, LocationProvider<KeypointLocation>, Readable, ReadableASCII, ReadableBinary, ReadWriteable, VariableLength, Writeable, WriteableASCII, WriteableBinary, Coordinate, Point2d, ScaleSpacePoint

Direct Known Subclasses:

AffineInterestPointKeypoint, CircularInterestPointKeypoint

public abstract class InterestPointKeypoint<T extends InterestPointData>
extends Keypoint

An oriented feature with at a location defined by an InterestPointData.

Author:

Sina Samangooei (ss@ecs.soton.ac.uk)

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
T	location The feature location

Fields inherited from class org.openimaj.image.feature.local.keypoints.Keypoint

ivec, ori, scale, x, y

Constructor Summary

Constructors

Constructor and Description
InterestPointKeypoint() Construct with a null location and default length feature
InterestPointKeypoint(int length) Construct with a null location and feature of the given length
InterestPointKeypoint(OrientedFeatureVector featureVector, T point)

Method Summary

Modifier and Type	Method and Description
String	asciiHeader() Header for ascii input.
byte[]	binaryHeader() Header for binary input.
abstract T	createEmptyLocation()
void	readASCII(Scanner in) Read internal state from in.
void	readBinary(DataInput in) Read internal state from in.
void	writeASCII(PrintWriter out) Write the content of this as ascii to out.
void	writeBinary(DataOutput out) Write the content of this as binary to out.

Methods inherited from class org.openimaj.image.feature.local.keypoints.Keypoint

addGaussianNoise, clone, copy, copyFrom, equals, getDimensions, getFeatureVector, getLocation, getOrdinate, getRelativeKeypoints, getScale, getScaledKeypoints, getX, getY, hashCode, locationEquals, minus, setLocation, setOrdinate, setScale, setX, setY, toString, transform, translate, translate

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

location

public T extends InterestPointData location

The feature location

Constructor Detail

InterestPointKeypoint

public InterestPointKeypoint()

Construct with a null location and default length feature

InterestPointKeypoint

public InterestPointKeypoint(int length)

Construct with a null location and feature of the given length

Parameters:

length - the feature length

InterestPointKeypoint

public InterestPointKeypoint(OrientedFeatureVector featureVector,
                             T point)

Parameters:

featureVector - the feature vector containing orientation and the byte[]

point - the location and shape of the interest point

Method Detail

createEmptyLocation

public abstract T createEmptyLocation()

Returns:

create a new InterestPointData compatible with this feature

readBinary

public void readBinary(DataInput in)
                throws IOException

Description copied from interface: ReadableBinary

Read internal state from in.

Specified by:

readBinary in interface ReadableBinary

Overrides:

readBinary in class Keypoint

Parameters:

in - source to read from.

Throws:

IOException - an error reading input

readASCII

public void readASCII(Scanner in)
               throws IOException

Description copied from interface: ReadableASCII

Read internal state from in.

Specified by:

readASCII in interface ReadableASCII

Overrides:

readASCII in class Keypoint

Parameters:

in - source to read from.

Throws:

IOException - an error reading input

binaryHeader

public byte[] binaryHeader()

Description copied from interface: ReadableBinary

Header for binary input. Will be automatically read by IOUtils when using readBinary().

Specified by:

binaryHeader in interface ReadableBinary

Specified by:

binaryHeader in interface WriteableBinary

Overrides:

binaryHeader in class Keypoint

Returns:

header

asciiHeader

public String asciiHeader()

Description copied from interface: ReadableASCII

Header for ascii input. Will be automatically read by IOUtils when using readASCII().

Specified by:

asciiHeader in interface ReadableASCII

Specified by:

asciiHeader in interface WriteableASCII

Overrides:

asciiHeader in class Keypoint

Returns:

header

writeBinary

public void writeBinary(DataOutput out)
                 throws IOException

Description copied from interface: WriteableBinary

Write the content of this as binary to out.

Specified by:

writeBinary in interface WriteableBinary

Overrides:

writeBinary in class Keypoint

Parameters:

out - sink to write to

Throws:

IOException - an error writing to out

writeASCII

public void writeASCII(PrintWriter out)
                throws IOException

Description copied from interface: WriteableASCII

Write the content of this as ascii to out.

Specified by:

writeASCII in interface WriteableASCII

Overrides:

writeASCII in class Keypoint

Parameters:

out - sink to write to

Throws:

IOException - an error writing to out