org.openimaj.video.tracking.klt

Class Feature

java.lang.Object

org.openimaj.video.tracking.klt.Feature

All Implemented Interfaces:

Cloneable, Readable, ReadableASCII, ReadableBinary, ReadWriteable, Writeable, WriteableASCII, WriteableBinary, Coordinate, Point2d

public class Feature
extends Object
implements Point2d, Cloneable

A tracked feature

Author:

Stan Birchfield, Jonathon Hare (jsh2@ecs.soton.ac.uk)

Field Summary

Fields

Modifier and Type	Field and Description
int	val value of feature
float	x x ordinate of feature
float	y y ordinate of feature

Constructor Summary

Constructors

Constructor and Description
Feature()

Method Summary

Modifier and Type	Method and Description
String	asciiHeader() Header for ascii input.
byte[]	binaryHeader() Header for binary input.
Feature	clone()
Feature	copy() Clone the point
void	copyFrom(Point2d p) Copy the values of the given point into this point.
boolean	equals(Object o)
int	getDimensions()
Float	getOrdinate(int dimension) Get the ordinate value for a specific dimension.
float	getX()
float	getY()
int	hashCode()
Point2d	minus(Point2d a) Take point point from another point such that return = this - a
void	readASCII(Scanner in) Read internal state from in.
void	readBinary(DataInput in) Read internal state from in.
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
String	toString()
String	toString(String format, String type) Convert to string representation with the given format
Feature	transform(Jama.Matrix transform) 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
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.
void	writeFeatureBin(DataOutputStream os) Write feature as binary data

Methods inherited from class java.lang.Object

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

Field Detail

x

public float x

x ordinate of feature

y

public float y

y ordinate of feature

val

public int val

value of feature

Constructor Detail

Feature

public Feature()

Method Detail

toString

public String toString(String format,
                       String type)

Convert to string representation with the given format

Parameters:

format -

type -

Returns:

formatted string

writeFeatureBin

public void writeFeatureBin(DataOutputStream os)
                     throws IOException

Write feature as binary data

Parameters:

os -

Throws:

IOException

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

clone

public Feature clone()

Overrides:

clone in class Object

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class Object

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.

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.

getDimensions

public int getDimensions()

Specified by:

getDimensions in interface Coordinate

Returns:

The number of dimensions in the coordinate.

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 Feature transform(Jama.Matrix transform)

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

readASCII

public void readASCII(Scanner in)
               throws IOException

Description copied from interface: ReadableASCII

Read internal state from in.

Specified by:

readASCII in interface ReadableASCII

Parameters:

in - source to read from.

Throws:

IOException - an error reading input

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

Returns:

header

readBinary

public void readBinary(DataInput in)
                throws IOException

Description copied from interface: ReadableBinary

Read internal state from in.

Specified by:

readBinary in interface ReadableBinary

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

Returns:

header

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

Parameters:

out - sink to write to

Throws:

IOException - an error writing to out

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

Parameters:

out - sink to write to

Throws:

IOException - an error writing to out

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

copy

public Feature copy()

Description copied from interface: Point2d

Clone the point

Specified by:

copy in interface Point2d

Returns:

a copy of the point

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.