Package org.opencv.structured_light

Class SinusoidalPattern

java.lang.Object

org.opencv.core.Algorithm

org.opencv.structured_light.StructuredLightPattern

org.opencv.structured_light.SinusoidalPattern

public class SinusoidalPattern
extends StructuredLightPattern

Class implementing Fourier transform profilometry (FTP) , phase-shifting profilometry (PSP) and Fourier-assisted phase-shifting profilometry (FAPS) based on CITE: faps. This class generates sinusoidal patterns that can be used with FTP, PSP and FAPS.

Field Summary

Fields inherited from class org.opencv.core.Algorithm

nativeObj

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	SinusoidalPattern(long addr)

Method Summary

Modifier and Type	Method	Description
static SinusoidalPattern	__fromPtr__(long addr)
void	computeDataModulationTerm(List<Mat> patternImages, Mat dataModulationTerm, Mat shadowMask)	compute the data modulation term.
void	computePhaseMap(List<Mat> patternImages, Mat wrappedPhaseMap)	Compute a wrapped phase map from sinusoidal patterns.
void	computePhaseMap(List<Mat> patternImages, Mat wrappedPhaseMap, Mat shadowMask)	Compute a wrapped phase map from sinusoidal patterns.
void	computePhaseMap(List<Mat> patternImages, Mat wrappedPhaseMap, Mat shadowMask, Mat fundamental)	Compute a wrapped phase map from sinusoidal patterns.
static SinusoidalPattern	create()	Constructor.
static SinusoidalPattern	create(SinusoidalPattern_Params parameters)	Constructor.
protected void	finalize()
void	findProCamMatches(Mat projUnwrappedPhaseMap, Mat camUnwrappedPhaseMap, List<Mat> matches)	Find correspondences between the two devices thanks to unwrapped phase maps.
void	unwrapPhaseMap(Mat wrappedPhaseMap, Mat unwrappedPhaseMap, Size camSize)	Unwrap the wrapped phase map to remove phase ambiguities.
void	unwrapPhaseMap(Mat wrappedPhaseMap, Mat unwrappedPhaseMap, Size camSize, Mat shadowMask)	Unwrap the wrapped phase map to remove phase ambiguities.

Methods inherited from class org.opencv.structured_light.StructuredLightPattern

generate

Methods inherited from class org.opencv.core.Algorithm

clear, empty, getDefaultName, getNativeObjAddr, save

Methods inherited from class java.lang.Object

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

Constructor Detail

SinusoidalPattern

protected SinusoidalPattern(long addr)

Method Detail

__fromPtr__

public static SinusoidalPattern __fromPtr__(long addr)

create

public static SinusoidalPattern create(SinusoidalPattern_Params parameters)

Constructor.

Parameters:

parameters - SinusoidalPattern parameters SinusoidalPattern::Params: width, height of the projector and patterns parameters.

Returns:

automatically generated

create

public static SinusoidalPattern create()

Constructor.

Returns:

automatically generated

computePhaseMap

public void computePhaseMap(List<Mat> patternImages,
                            Mat wrappedPhaseMap,
                            Mat shadowMask,
                            Mat fundamental)

Compute a wrapped phase map from sinusoidal patterns.

Parameters:

patternImages - Input data to compute the wrapped phase map.

wrappedPhaseMap - Wrapped phase map obtained through one of the three methods.

shadowMask - Mask used to discard shadow regions.

fundamental - Fundamental matrix used to compute epipolar lines and ease the matching step.

computePhaseMap

public void computePhaseMap(List<Mat> patternImages,
                            Mat wrappedPhaseMap,
                            Mat shadowMask)

Compute a wrapped phase map from sinusoidal patterns.

Parameters:

patternImages - Input data to compute the wrapped phase map.

wrappedPhaseMap - Wrapped phase map obtained through one of the three methods.

shadowMask - Mask used to discard shadow regions.

computePhaseMap

public void computePhaseMap(List<Mat> patternImages,
                            Mat wrappedPhaseMap)

Compute a wrapped phase map from sinusoidal patterns.

Parameters:

patternImages - Input data to compute the wrapped phase map.

wrappedPhaseMap - Wrapped phase map obtained through one of the three methods.

unwrapPhaseMap

public void unwrapPhaseMap(Mat wrappedPhaseMap,
                           Mat unwrappedPhaseMap,
                           Size camSize,
                           Mat shadowMask)

Unwrap the wrapped phase map to remove phase ambiguities.

Parameters:

wrappedPhaseMap - The wrapped phase map computed from the pattern.

unwrappedPhaseMap - The unwrapped phase map used to find correspondences between the two devices.

camSize - Resolution of the camera.

shadowMask - Mask used to discard shadow regions.

unwrapPhaseMap

public void unwrapPhaseMap(Mat wrappedPhaseMap,
                           Mat unwrappedPhaseMap,
                           Size camSize)

Unwrap the wrapped phase map to remove phase ambiguities.

Parameters:

wrappedPhaseMap - The wrapped phase map computed from the pattern.

unwrappedPhaseMap - The unwrapped phase map used to find correspondences between the two devices.

camSize - Resolution of the camera.

findProCamMatches

public void findProCamMatches(Mat projUnwrappedPhaseMap,
                              Mat camUnwrappedPhaseMap,
                              List<Mat> matches)

Find correspondences between the two devices thanks to unwrapped phase maps.

Parameters:

projUnwrappedPhaseMap - Projector's unwrapped phase map.

camUnwrappedPhaseMap - Camera's unwrapped phase map.

matches - Images used to display correspondences map.

computeDataModulationTerm

public void computeDataModulationTerm(List<Mat> patternImages,
                                      Mat dataModulationTerm,
                                      Mat shadowMask)

compute the data modulation term.

Parameters:

patternImages - captured images with projected patterns.

dataModulationTerm - Mat where the data modulation term is saved.

shadowMask - Mask used to discard shadow regions.

finalize

protected void finalize()
                 throws Throwable

Overrides:

finalize in class StructuredLightPattern

Throws:

Throwable