de.biomedical_imaging.ij.steger

Class Position

java.lang.Object

de.biomedical_imaging.ij.steger.Position

public class Position
extends Object

The Class Position.

Constructor Summary

Constructors

Constructor and Description
Position()

Method Summary

Modifier and Type	Method and Description
void	compute_eigenvals(double dfdrr, double dfdrc, double dfdcc, double[] eigval, double[][] eigvec) Compute the eigenvalues and eigenvectors of the Hessian matrix given by dfdrr, dfdrc, and dfdcc, and sort them in descending order according to their absolute values.
void	detect_lines(float[] image, int width, int height, Lines contours, org.apache.commons.lang3.mutable.MutableInt num_result, double sigma, double low, double high, int mode, boolean compute_width, boolean correct_pos, boolean extend_lines, Junctions junctions) Detect lines.
void	solve_linear(double a, double b, org.apache.commons.lang3.mutable.MutableDouble t, org.apache.commons.lang3.mutable.MutableInt num) Solve the linear equation a*x+b=0 and return the result in t and the number of solutions in num.

Methods inherited from class java.lang.Object

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

Constructor Detail

Position

public Position()

Method Detail

solve_linear

public void solve_linear(double a,
                         double b,
                         org.apache.commons.lang3.mutable.MutableDouble t,
                         org.apache.commons.lang3.mutable.MutableInt num)

Solve the linear equation a*x+b=0 and return the result in t and the number of solutions in num.

Parameters:

a - the a

b - the b

t - the t

num - the num

compute_eigenvals

public void compute_eigenvals(double dfdrr,
                              double dfdrc,
                              double dfdcc,
                              double[] eigval,
                              double[][] eigvec)

Compute the eigenvalues and eigenvectors of the Hessian matrix given by dfdrr, dfdrc, and dfdcc, and sort them in descending order according to their absolute values.

Parameters:

dfdrr - the dfdrr

dfdrc - the dfdrc

dfdcc - the dfdcc

eigval - the eigval

eigvec - the eigvec

detect_lines

public void detect_lines(float[] image,
                         int width,
                         int height,
                         Lines contours,
                         org.apache.commons.lang3.mutable.MutableInt num_result,
                         double sigma,
                         double low,
                         double high,
                         int mode,
                         boolean compute_width,
                         boolean correct_pos,
                         boolean extend_lines,
                         Junctions junctions)

Detect lines.

Parameters:

image - the image

width - the width

height - the height

contours - the contours

num_result - the num result

sigma - the sigma

low - the low

high - the high

mode - the mode

compute_width - the compute width

correct_pos - the correct pos

extend_lines - the extend lines

junctions - the junctions