org.openimaj.image.feature.local.keypoints.quantised

Class QuantisedKeypoint

java.lang.Object

org.openimaj.feature.local.quantised.QuantisedLocalFeature<KeypointLocation>

org.openimaj.image.feature.local.keypoints.quantised.QuantisedKeypoint

All Implemented Interfaces:

FeatureVectorProvider<IntFV>, LocalFeature<KeypointLocation,IntFV>, LocalFeatureVectorProvider<KeypointLocation,IntFV>, LocationProvider<KeypointLocation>, Readable, ReadableASCII, ReadableBinary, ReadWriteable, Writeable, WriteableASCII, WriteableBinary, Coordinate, Point2d

public class QuantisedKeypoint
extends QuantisedLocalFeature<KeypointLocation>
implements Point2d

A QuantisedKeypoint is a QuantisedLocalFeature with its location described by a KeypointLocation. It is the quantised equivalent to a Keypoint, with the feature vector replaced by a single integer assignment.

Author:

Jonathon Hare (jsh2@ecs.soton.ac.uk)

Field Summary

Fields inherited from class org.openimaj.feature.local.quantised.QuantisedLocalFeature

id, location

Constructor Summary

Constructors

Constructor and Description
QuantisedKeypoint() Construct an empty QuantisedKeypoint, located at the origin with an id of 0.
QuantisedKeypoint(KeypointLocation loc) Construct a QuantisedKeypoint, located at the given position with an id of 0.
QuantisedKeypoint(KeypointLocation loc, int id) Construct a QuantisedKeypoint, located at the given position and id.

Method Summary

Modifier and Type	Method and Description
Point2d	copy() Clone the point
void	copyFrom(Point2d p) Copy the values of the given point into this point.
int	getDimensions()
Float	getOrdinate(int dimension) Get the ordinate value for a specific dimension.
float	getX()
float	getY()
Point2d	minus(Point2d a) Take point point from another point such that return = this - a
void	setOrdinate(int dimension, Number value) Set the ordinate value for a specific dimension.
void	setX(float x) Set x coordinate of point
void	setY(float y) Set y coordinate of point
Point2d	transform(Jama.Matrix m) Transform the point by the given matrix
void	translate(float x, float y) Translate the position of the point by the given amounts
void	translate(Point2d v) Translate the position of the point by the given amounts

Methods inherited from class org.openimaj.feature.local.quantised.QuantisedLocalFeature

asciiHeader, binaryHeader, getFeatureVector, getLocation, readASCII, readBinary, writeASCII, writeBinary

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.openimaj.io.ReadableASCII

asciiHeader, readASCII

Methods inherited from interface org.openimaj.io.ReadableBinary

binaryHeader, readBinary

Methods inherited from interface org.openimaj.io.WriteableASCII

asciiHeader, writeASCII

Methods inherited from interface org.openimaj.io.WriteableBinary

binaryHeader, writeBinary

Constructor Detail

QuantisedKeypoint

public QuantisedKeypoint()

Construct an empty QuantisedKeypoint, located at the origin with an id of 0.

QuantisedKeypoint

public QuantisedKeypoint(KeypointLocation loc)

Construct a QuantisedKeypoint, located at the given position with an id of 0.

Parameters:

loc - the position

QuantisedKeypoint

public QuantisedKeypoint(KeypointLocation loc,
                         int id)

Construct a QuantisedKeypoint, located at the given position and id.

Parameters:

loc - the position

id - the id

Method Detail

getOrdinate

public Float getOrdinate(int dimension)

Description copied from interface: Coordinate

Get the ordinate value for a specific dimension.

Specified by:

getOrdinate in interface Coordinate

Parameters:

dimension - The index of the dimension we are interested in

Returns:

The value of the ordinate of the given dimension.

setOrdinate

public void setOrdinate(int dimension,
                        Number value)

Description copied from interface: Coordinate

Set the ordinate value for a specific dimension.

Specified by:

setOrdinate in interface Coordinate

Parameters:

dimension - The index of the dimension we are interested in

value - The value of the ordinate of the given dimension.

getDimensions

public int getDimensions()

Specified by:

getDimensions in interface Coordinate

Returns:

The number of dimensions in the coordinate.

getX

public float getX()

Specified by:

getX in interface Point2d

Returns:

x coordinate of point

getY

public float getY()

Specified by:

getY in interface Point2d

Returns:

y coordinate of point

setX

public void setX(float x)

Description copied from interface: Point2d

Set x coordinate of point

Specified by:

setX in interface Point2d

Parameters:

x - x-coordinate

setY

public void setY(float y)

Description copied from interface: Point2d

Set y coordinate of point

Specified by:

setY in interface Point2d

Parameters:

y - y-coordinate

copyFrom

public void copyFrom(Point2d p)

Description copied from interface: Point2d

Copy the values of the given point into this point.

Specified by:

copyFrom in interface Point2d

Parameters:

p - The point to copy values from.

copy

public Point2d copy()

Description copied from interface: Point2d

Clone the point

Specified by:

copy in interface Point2d

Returns:

a copy of the point

translate

public void translate(float x,
                      float y)

Description copied from interface: Point2d

Translate the position of the point by the given amounts

Specified by:

translate in interface Point2d

Parameters:

x - x-amount

y - y-amount

transform

public Point2d transform(Jama.Matrix m)

Description copied from interface: Point2d

Transform the point by the given matrix

Specified by:

transform in interface Point2d

Returns:

a copy

minus

public Point2d minus(Point2d a)

Description copied from interface: Point2d

Take point point from another point such that return = this - a

Specified by:

minus in interface Point2d

Returns:

a new point

translate

public void translate(Point2d v)

Description copied from interface: Point2d

Translate the position of the point by the given amounts

Specified by:

translate in interface Point2d

Parameters:

v - the vector to translate by