Beispiel #1
0
 /**
  * Applies the shifts {@code u} to the trace {@code g}.
  *
  * @param sf the sampling that {@code g} is being warped to.
  * @param u the shifts to apply to {@code g}.
  * @param sg the sampling of {@code g}.
  * @param g the trace to be warped.
  * @return the warped image.
  */
 public static float[][][] applyShifts(
     Sampling sf, final float[][][] u, Sampling sg, final float[][][] g) {
   final int n1 = u[0][0].length;
   final int n2 = u[0].length;
   final int n3 = u.length;
   final int ng = g[0][0].length;
   final double dg = sg.getDelta();
   final double df = sf.getDelta();
   final double fg = sg.getDelta();
   final double ff = sf.getDelta();
   final float[][][] hf = new float[n3][n2][n1];
   final SincInterp si = new SincInterp();
   int n23 = n3 * n2;
   Parallel.loop(
       n23,
       new Parallel.LoopInt() {
         public void compute(int i23) {
           int i2 = i23 % n2;
           int i3 = i23 / n2;
           double v = ff;
           for (int i1 = 0; i1 < n1; i1++, v = ff + i1 * df) {
             hf[i3][i2][i1] = si.interpolate(ng, dg, fg, g[i3][i2], (float) v + u[i3][i2][i1]);
           }
         }
       });
   return hf;
 }
Beispiel #2
0
 public static float[][] compositeShifts(
     final Sampling sf, final float[][] u1, final float[][] u2) {
   int n2 = u1.length;
   final float[][] uc = new float[n2][];
   Parallel.loop(
       n2,
       new Parallel.LoopInt() {
         public void compute(int i2) {
           uc[i2] = compositeShifts(sf, u1[i2], u2[i2]);
         }
       });
   return uc;
 }
Beispiel #3
0
 @Deprecated
 public static float[][][] transposeLag23(final float[][][] e) {
   final int nl = e[0][0].length;
   final int n1 = e[0].length;
   final int n2 = e.length;
   final float[][][] t = new float[n1][n2][nl];
   Parallel.loop(
       n1,
       new Parallel.LoopInt() {
         public void compute(int i1) {
           for (int i2 = 0; i2 < n2; ++i2) t[i1][i2] = e[i2][i1];
         }
       });
   return t;
 }
Beispiel #4
0
 @Deprecated
 public static float[][][] transposeLag12(final float[][][] e) {
   final int nl = e[0][0].length;
   final int n1 = e[0].length;
   final int n2 = e.length;
   final float[][][] t = new float[n2][nl][n1];
   Parallel.loop(
       n2,
       new Parallel.LoopInt() {
         public void compute(int i2) {
           for (int il = 0; il < nl; ++il)
             for (int i1 = 0; i1 < n1; ++i1) t[i2][il][i1] = e[i2][i1][il];
         }
       });
   return t;
 }
Beispiel #5
0
 public static void normalize(float[][] f, final float nmin, final float nmax) {
   final int n1 = f[0].length;
   final int n2 = f.length;
   final float[][] ff = f;
   final float vmin = min(f);
   final float vmax = max(f);
   final float range = vmax - vmin;
   final float nrange = nmax - nmin;
   Parallel.loop(
       n2,
       new Parallel.LoopInt() {
         public void compute(int i2) {
           for (int i1 = 0; i1 < n1; ++i1) {
             float vi = ff[i2][i1];
             ff[i2][i1] = nrange * (vi - vmin) / range + nmin;
           }
         }
       });
 }
Beispiel #6
0
 /**
  * Shifts and scales alignment errors to be in range [0,1].
  *
  * @param emin minimum alignment error before normalizing.
  * @param emax maximum alignment error before normalizing.
  * @param e input/output array of alignment errors.
  */
 private static void shiftAndScale(float emin, float emax, float[][][] e) {
   //    System.out.println("shiftAndScale: emin="+emin+" emax="+emax);
   final int nl = e[0][0].length;
   final int n1 = e[0].length;
   final int n2 = e.length;
   final float eshift = emin;
   final float escale = (emax > emin) ? 1.0f / (emax - emin) : 1.0f;
   final float[][][] ef = e;
   Parallel.loop(
       n2,
       new Parallel.LoopInt() {
         public void compute(int i2) {
           for (int i1 = 0; i1 < n1; ++i1) {
             for (int il = 0; il < nl; ++il) {
               ef[i2][i1][il] = (ef[i2][i1][il] - eshift) * escale;
             }
           }
         }
       });
 }