edu.jhu.ece.iacl.algorithms.hardi
Class QBall

java.lang.Object
  edu.jhu.ece.iacl.algorithms.hardi.QBall

public class QBall
extends java.lang.Object

Constructor Summary

QBall()

Method Summary

static float[][][][]	estimateSphericalHarmonics(float[][][][] coeff_real, float[][][][] coeff_imag, int[][] lm, float[][][][] DWdata, float[] bval, float[][] grads, byte[][][] mask, int SHorder, float b0Threshold) Proportional to b0
static float[][][][]	estimateSphericalHarmonicsADC(float[][][][] coeff_real, float[][][][] coeff_imag, int[][] lm, float[][][][] DWdata, float[] bval, float[][] grads, byte[][][] mask, int SHorder, float b0Threshold) ADC: Apparent Diffusivity
static float[][][][]	estimateSphericalHarmonicsFRT(float[][][][] coeff_real, int[][] LM, float[][][][] DWdata, float[] bval, float[][] grads, byte[][][] mask, int SHorder, float lambda, float b0Threshold) Funk-Radon Transform
static int	getNumberOfCoefficients(int order)
static int	getOrderFromNumberOfCoeff(int components)
static void	projectRealSphericalHarmonics(float[][][][] reconReal, float[][][][] realCoef, float[][] grads, int SHorder)
static void	projectSphericalHarmonics(float[][][][] reconReal, float[][][][] reconImag, float[][][][] realCoef, float[][][][] imagCoef, float[][] grads, int SHorder)

Methods inherited from class java.lang.Object

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

Constructor Detail

QBall

public QBall()

Method Detail

getNumberOfCoefficients

public static int getNumberOfCoefficients(int order)

estimateSphericalHarmonics

public static float[][][][] estimateSphericalHarmonics(float[][][][] coeff_real,
                                                       float[][][][] coeff_imag,
                                                       int[][] lm,
                                                       float[][][][] DWdata,
                                                       float[] bval,
                                                       float[][] grads,
                                                       byte[][][] mask,
                                                       int SHorder,
                                                       float b0Threshold)

Proportional to b0

estimateSphericalHarmonicsADC

public static float[][][][] estimateSphericalHarmonicsADC(float[][][][] coeff_real,
                                                          float[][][][] coeff_imag,
                                                          int[][] lm,
                                                          float[][][][] DWdata,
                                                          float[] bval,
                                                          float[][] grads,
                                                          byte[][][] mask,
                                                          int SHorder,
                                                          float b0Threshold)

ADC: Apparent Diffusivity

estimateSphericalHarmonicsFRT

public static float[][][][] estimateSphericalHarmonicsFRT(float[][][][] coeff_real,
                                                          int[][] LM,
                                                          float[][][][] DWdata,
                                                          float[] bval,
                                                          float[][] grads,
                                                          byte[][][] mask,
                                                          int SHorder,
                                                          float lambda,
                                                          float b0Threshold)

Funk-Radon Transform

getOrderFromNumberOfCoeff

public static int getOrderFromNumberOfCoeff(int components)

projectSphericalHarmonics

public static void projectSphericalHarmonics(float[][][][] reconReal,
                                             float[][][][] reconImag,
                                             float[][][][] realCoef,
                                             float[][][][] imagCoef,
                                             float[][] grads,
                                             int SHorder)

projectRealSphericalHarmonics

public static void projectRealSphericalHarmonics(float[][][][] reconReal,
                                                 float[][][][] realCoef,
                                                 float[][] grads,
                                                 int SHorder)