Class cv::structured_light::SinusoidalPattern#

Class implementing Fourier transform profilometry (FTP) , phase-shifting profilometry (PSP) and Fourier-assisted phase-shifting profilometry (FAPS) based on faps. View details

#include <opencv2/structured_light/sinusoidalpattern.hpp>

Collaboration diagram for cv::structured_light::SinusoidalPattern:

Public Member Functions#

Public Member Functions inherited from cv::structured_light::StructuredLightPattern

Return	Name	Description
`bool`	`decode(` `const std::vector< std::vector< Mat > > & patternImages,` `OutputArray disparityMap,` `InputArrayOfArrays blackImages = noArray(),` `InputArrayOfArrays whiteImages = noArray(),` `int flags = DECODE_3D_UNDERWORLD )`	Decodes the structured light pattern, generating a disparity map.
`bool`	`generate(OutputArrayOfArrays patternImages)`	Generates the structured light pattern to project.

Public Member Functions inherited from cv::Algorithm

Return	Name	Description
	`Algorithm()`
	`~Algorithm()`
`void`	`clear()`	Clears the algorithm state.
`bool`	`empty()`	Returns true if the Algorithm is empty (e.g. in the very beginning or after unsuccessful read.
`String`	`getDefaultName()`
`void`	`read(const FileNode & fn)`	Reads algorithm parameters from a file storage.
`void`	`save(const String & filename)`
`void`	`write(` `const Ptr< FileStorage > & fs,` `const String & name = String() )`
`void`	`write(FileStorage & fs)`	Stores algorithm parameters in a file storage.
`void`	`write(` `FileStorage & fs,` `const String & name )`

Static Public Member Functions#

Static Public Member Functions inherited from cv::Algorithm

Return	Name	Description
`static Ptr< _Tp >`	`load(` `const String & filename,` `const String & objname = String() )`	Loads algorithm from the file.
`static Ptr< _Tp >`	`loadFromString(` `const String & strModel,` `const String & objname = String() )`	Loads algorithm from a String.
`static Ptr< _Tp >`	`read(const FileNode & fn)`	Reads algorithm from the file node.

Additional Inherited Members#

Detailed Description#

Class implementing Fourier transform profilometry (FTP) , phase-shifting profilometry (PSP) and Fourier-assisted phase-shifting profilometry (FAPS) based on faps.

This class generates sinusoidal patterns that can be used with FTP, PSP and FAPS.

Member Function Documentation#

create()#

static Ptr< SinusoidalPattern > cv::structured_light::SinusoidalPattern::create(Ptr< SinusoidalPattern::Params > parameters = makePtr< SinusoidalPattern::Params >())

Constructor.

Parameters

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

computeDataModulationTerm()#

void cv::structured_light::SinusoidalPattern::computeDataModulationTerm(
InputArrayOfArrays patternImages,
OutputArray dataModulationTerm,
InputArray 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.

computePhaseMap()#

void cv::structured_light::SinusoidalPattern::computePhaseMap(
InputArrayOfArrays patternImages,
OutputArray wrappedPhaseMap,
OutputArray shadowMask = noArray(),
InputArray fundamental = noArray() )

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.

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findProCamMatches()#

void cv::structured_light::SinusoidalPattern::findProCamMatches(
InputArray projUnwrappedPhaseMap,
InputArray camUnwrappedPhaseMap,
OutputArrayOfArrays 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.

unwrapPhaseMap()#

void cv::structured_light::SinusoidalPattern::unwrapPhaseMap(
InputArray wrappedPhaseMap,
OutputArray unwrappedPhaseMap,
cv::Size camSize,
InputArray shadowMask = noArray() )

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.

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Source file#

The documentation for this class was generated from the following file:

opencv2/structured_light/sinusoidalpattern.hpp