Module imagingbook.common
Package imagingbook.common.geometry.fitting.line

Interface LineFit

All Known Implementing Classes:
IncrementalLineFit, LinearRegressionFit, OrthogonalLineFitEigen, OrthogonalLineFitHomogeneous, OrthogonalLineFitSvd
public interface LineFit
Interface to be implemented by all 2D line fits.
Version:
2022/09/22

  • Method Summary

    Modifier and Type
    Method
    Description
    default AlgebraicLine
    getLine()
    Returns the AlgebraicLine associated with this line fit.
    double[]
    getLineParameters()
    Returns the parameters [A, B, C] for the AlgebraicLine associated with this line fit.
    int
    getSize()
    Returns the size of the point set used for calculating this line fit.
    default double
    getSquaredOrthogonalError(Pnt2d[] points)
    Calculates and returns the sum of the squared orthogonal distances of the specified points for this line fit.

  • Method Details

    • getSize

      int getSize()
      Returns the size of the point set used for calculating this line fit.
      Returns:
      the number of sample points used for fitting

    • getLineParameters

      double[] getLineParameters()
      Returns the parameters [A, B, C] for the AlgebraicLine associated with this line fit. To be implemented by concrete classes. null is returned if no fit was found.
      Returns:
      algebraic line parameters [A, B, C]
      See Also:

    • getLine

      default AlgebraicLine getLine()
      Returns the AlgebraicLine associated with this line fit. null is returned if no fit was found.
      Returns:
      an AlgebraicLine instance

    • getSquaredOrthogonalError

      default double getSquaredOrthogonalError(Pnt2d[] points)
      Calculates and returns the sum of the squared orthogonal distances of the specified points for this line fit.
      Parameters:
      points - an array of 2D points
      Returns:
      the squared orthogonal error