Package cz.vutbr.fit.layout.cormier

Class CormierProvider

java.lang.Object

cz.vutbr.fit.layout.impl.BaseService

cz.vutbr.fit.layout.impl.BaseParametrizedOperation

cz.vutbr.fit.layout.impl.BaseArtifactService

cz.vutbr.fit.layout.cormier.CormierProvider

All Implemented Interfaces:

ArtifactService, ParametrizedOperation, Service

public class CormierProvider
extends BaseArtifactService

Provider of the Cormier web segmentation method implemented within CormierSegmentation.

Author:

František Maštera

See Also:

Michael Cormier (2018). Computer Vision on Web Pages: A Study of Man-Made Images. UWSpace.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	CormierProvider.CormierParameter	Parameters of the algorithm provided by this service.

Constructor Summary

Constructors

Constructor	Description
CormierProvider()

Method Summary

Modifier and Type	Method	Description
AreaTree	createAreaTree(byte[] imageData, org.eclipse.rdf4j.model.IRI iri)
AreaTree	createAreaTree(Page page)
List<Parameter>	defineParams()
org.eclipse.rdf4j.model.IRI	getConsumes()
String	getDescription()
float	getEdgeProbabilityThreshold()
int	getHalfWindowWidth()
String	getId()
int	getMaxLineLength()
int	getMinSegmentLength()
int	getMonteCarloTrials()
String	getName()
float	getPriorEdgeProbability()
org.eclipse.rdf4j.model.IRI	getProduces()	X-Y tree represented via the AreaTree interface.
int	getPyramidLevels()
float	getSignLineProbThreshold()
float	getStandardDeviation()
Artifact	process(Artifact input)
void	setEdgeProbabilityThreshold(float edgeProbabilityThreshold)
void	setHalfWindowWidth(int halfWindowWidth)
void	setMaxLineLength(int maxLineLength)
void	setMinSegmentLength(int minSegmentLength)
void	setMonteCarloTrials(int monteCarloTrials)
void	setPriorEdgeProbability(float priorEdgeProbability)
void	setPyramidLevels(int pyramidLevels)
void	setSignLineProbThreshold(float signLineProbThreshold)
void	setStandardDeviation(float standardDeviation)

Methods inherited from class cz.vutbr.fit.layout.impl.BaseArtifactService

getCategory, toString

Methods inherited from class cz.vutbr.fit.layout.impl.BaseParametrizedOperation

getParam, getParams, getParamString, setParam

Methods inherited from class cz.vutbr.fit.layout.impl.BaseService

getServiceManager, setServiceManager

Methods inherited from class java.lang.Object

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

Methods inherited from interface cz.vutbr.fit.layout.api.Service

setServiceManager

Constructor Detail

CormierProvider

public CormierProvider()

Method Detail

getId

public String getId()

getName

public String getName()

getDescription

public String getDescription()

defineParams

public List<Parameter> defineParams()

Overrides:

defineParams in class BaseParametrizedOperation

getHalfWindowWidth

public int getHalfWindowWidth()

See Also:

EdgeDetector.getHalfWindowWidth()

setHalfWindowWidth

public void setHalfWindowWidth(int halfWindowWidth)

See Also:

EdgeDetector.setHalfWindowWidth(int)

getStandardDeviation

public float getStandardDeviation()

See Also:

EdgeDetector.getStandardDeviation()

setStandardDeviation

public void setStandardDeviation(float standardDeviation)

See Also:

EdgeDetector.setStandardDeviation(float)

getPriorEdgeProbability

public float getPriorEdgeProbability()

See Also:

EdgeDetector.getPriorProbability()

setPriorEdgeProbability

public void setPriorEdgeProbability(float priorEdgeProbability)

See Also:

EdgeDetector.setPriorProbability(float)

getPyramidLevels

public int getPyramidLevels()

See Also:

EdgeDetector.setPyramidLevels(int)

setPyramidLevels

public void setPyramidLevels(int pyramidLevels)

See Also:

EdgeDetector.setPyramidLevels(int)

getMaxLineLength

public int getMaxLineLength()

See Also:

LineDetector.getMaxLineLength()

setMaxLineLength

public void setMaxLineLength(int maxLineLength)

See Also:

LineDetector.setMaxLineLength(int)

getEdgeProbabilityThreshold

public float getEdgeProbabilityThreshold()

See Also:

LineDetector.getEdgeProbabilityThreshold()

setEdgeProbabilityThreshold

public void setEdgeProbabilityThreshold(float edgeProbabilityThreshold)

See Also:

LineDetector.setEdgeProbabilityThreshold(float)

getMonteCarloTrials

public int getMonteCarloTrials()

See Also:

LineDetector.getMonteCarloTrials()

setMonteCarloTrials

public void setMonteCarloTrials(int monteCarloTrials)

See Also:

LineDetector.setMonteCarloTrials(int)

getMinSegmentLength

public int getMinSegmentLength()

Returns:

Minimum length of any side of each segment.

setMinSegmentLength

public void setMinSegmentLength(int minSegmentLength)

Parameters:

minSegmentLength - Minimum length of any side of each segment.

getSignLineProbThreshold

public float getSignLineProbThreshold()

Returns:

Minimum probability that line is significant for it to be used for segmentation.

setSignLineProbThreshold

public void setSignLineProbThreshold(float signLineProbThreshold)

Parameters:

signLineProbThreshold - Minimum probability that line is significant for it to be used for segmentation.

getConsumes

public org.eclipse.rdf4j.model.IRI getConsumes()

getProduces

public org.eclipse.rdf4j.model.IRI getProduces()

X-Y tree represented via the AreaTree interface.

process

public Artifact process(Artifact input)
                 throws ServiceException

Throws:

ServiceException

createAreaTree

public AreaTree createAreaTree(Page page)
                        throws IOException

Parameters:

page - Page on which the segmentation will be applied. Make sure it's possible to get a screenshot of it using Page.getPngImage().

Returns:

X-Y tree of segmentations created by the CormierSegmentation with this instance's CormierProvider.CormierParameters' values.

Throws:

IOException - If failed to process the screenshot of the given page.

createAreaTree

public AreaTree createAreaTree(byte[] imageData,
                               org.eclipse.rdf4j.model.IRI iri)
                        throws IOException

Parameters:

imageData - Screenshot of a page on which the segmentation will be applied.

iri - IRI which will be assigned to the resulting AreaTree.

Returns:

X-Y tree of segmentations created by the CormierSegmentation with this instance's CormierProvider.CormierParameters' values.

Throws:

IOException - If failed to process the provided image data.