org.openimaj.image.text.extraction.swt

Class LetterCandidate

java.lang.Object

org.openimaj.image.text.extraction.swt.LetterCandidate

public class LetterCandidate
extends Object

This class models a candidate textual letter/character from the SWTTextDetector.

Author:

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

Field Summary

Fields

Modifier and Type	Field and Description
protected float	averageBrightness
protected org.openimaj.image.pixel.PixelSet	cc
protected org.openimaj.image.pixel.Pixel	centroid
protected LineCandidate	line
protected float	medianStrokeWidth
protected org.openimaj.math.geometry.shape.Rectangle	regularBoundingBox The regular, axis-oriented bounds of this candidate.
protected WordCandidate	word

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	LetterCandidate(org.openimaj.image.pixel.PixelSet cc, float medianStrokeWidth, org.openimaj.image.FImage image)

Method Summary

Modifier and Type	Method and Description
static org.openimaj.math.geometry.shape.Rectangle	computeBounds(List<LetterCandidate> letters) Compute the regular bounding rectangle of the given list of letter candidates
protected static List<LetterCandidate>	findLetters(List<org.openimaj.image.pixel.ConnectedComponent> components, org.openimaj.image.FImage swt, org.openimaj.image.FImage image, SWTTextDetector.Options options) Filter the components to find likely letter candidates.
org.openimaj.math.geometry.shape.Rectangle	getRegularBoundingBox() Get the regular (axis-oriented) bounding box around this object
String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

word

protected WordCandidate word

line

protected LineCandidate line

cc

protected org.openimaj.image.pixel.PixelSet cc

averageBrightness

protected float averageBrightness

centroid

protected org.openimaj.image.pixel.Pixel centroid

medianStrokeWidth

protected float medianStrokeWidth

regularBoundingBox

protected org.openimaj.math.geometry.shape.Rectangle regularBoundingBox

The regular, axis-oriented bounds of this candidate.

Constructor Detail

LetterCandidate

protected LetterCandidate(org.openimaj.image.pixel.PixelSet cc,
                          float medianStrokeWidth,
                          org.openimaj.image.FImage image)

Method Detail

computeBounds

public static org.openimaj.math.geometry.shape.Rectangle computeBounds(List<LetterCandidate> letters)

Compute the regular bounding rectangle of the given list of letter candidates

Parameters:

letters - the letter candidates

Returns:

the bounds rectangle

toString

public String toString()

Overrides:

toString in class Object

findLetters

protected static List<LetterCandidate> findLetters(List<org.openimaj.image.pixel.ConnectedComponent> components,
                                                   org.openimaj.image.FImage swt,
                                                   org.openimaj.image.FImage image,
                                                   SWTTextDetector.Options options)

Filter the components to find likely letter candidates.

Parameters:

components - the components to filter

swt - the swt image

image - the original image

Returns:

the potential letter candidates

getRegularBoundingBox

public org.openimaj.math.geometry.shape.Rectangle getRegularBoundingBox()

Get the regular (axis-oriented) bounding box around this object

Returns:

the bounding box