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.

  • Constructor Details

    • SinusoidalPattern

      protected SinusoidalPattern(long addr)

  • Method Details

    • __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