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imagej-elphel
Commit 6920c6cc authored by Andrey Filippov's avatar Andrey Filippov
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Merge remote-tracking branch 'origin/dct'

parents b15f9feb ddf19dcf
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Showing with 795 additions and 108 deletions
src/main/java/DttRad2.java
View file @ 6920c6cc
......@@ -31,7 +31,9 @@ public class DttRad2 {
int N = 0;
double [][][] CII= null;
double [][][] CIIe= null; // alternative matrix with all coefficients the same (non-orthogonal, but matching DFT)
double [][][] CIIIe= null; // alternative matrix with k0=1/2, k(n-1) = 1/2 (non-orthogonal, but matching DFT)
double [][][] CIIIe= null; // alternative matrix with k0=1/2, k(n-1) = 1/2 (non-orthogonal, but matching DFT)
double [][][] SIIe= null; // alternative matrix with all coefficients the same (non-orthogonal, but matching DFT)
double [][][] SIIIe= null; // alternative matrix with k0=1/2, k(n-1) = 1/2 (non-orthogonal, but matching DFT)
double [][][] CIV= null;
double [][][] SIV= null;
......@@ -378,22 +380,28 @@ public class DttRad2 {
}
public double [] dttt_iie(double [] x){
return dttt_iie(x, 1 << (ilog2(x.length)/2));
return dttt_iie(x,0, 1 << (ilog2(x.length)/2));
}
public double [] dttt_iie(double [] x, int mode){
return dttt_iie(x, mode, 1 << (ilog2(x.length)/2));
}
public double [] dttt_iie(double [] x, int n){
public double [] dttt_iie(double [] x, int mode, int n){
double [] y = new double [n*n];
double [] line = new double[n];
// first (horizontal) pass
for (int i = 0; i<n; i++){
System.arraycopy(x, n*i, line, 0, n);
line = dctiie_direct(line);
// line = dctiie_direct(line);
line = ((mode & 1)!=0)? dstiie_direct(line):dctiie_direct(line);
for (int j=0; j < n;j++) y[j*n+i] =line[j]; // transpose
}
// second (vertical) pass
for (int i = 0; i<n; i++){
System.arraycopy(y, n*i, line, 0, n);
line = dctiie_direct(line);
// line = dctiie_direct(line);
line = ((mode & 2)!=0)? dstiie_direct(line):dctiie_direct(line);
System.arraycopy(line, 0, y, n*i, n);
}
return y;
......@@ -425,22 +433,27 @@ public class DttRad2 {
}
public double [] dttt_iiie(double [] x){
return dttt_iiie(x, 1 << (ilog2(x.length)/2));
return dttt_iiie(x,0, 1 << (ilog2(x.length)/2));
}
public double [] dttt_iiie(double [] x, int mode){
return dttt_iiie(x, mode, 1 << (ilog2(x.length)/2));
}
public double [] dttt_iiie(double [] x, int n){
public double [] dttt_iiie(double [] x, int mode, int n){
double [] y = new double [n*n];
double [] line = new double[n];
// first (horizontal) pass
for (int i = 0; i<n; i++){
System.arraycopy(x, n*i, line, 0, n);
line = dctiiie_direct(line);
// line = dctiiie_direct(line);
line = ((mode & 1)!=0)? dstiiie_direct(line):dctiiie_direct(line);
for (int j=0; j < n;j++) y[j*n+i] =line[j]; // transpose
}
// second (vertical) pass
for (int i = 0; i<n; i++){
System.arraycopy(y, n*i, line, 0, n);
line = dctiiie_direct(line);
// line = dctiiie_direct(line);
line = ((mode & 2)!=0)? dstiiie_direct(line):dctiiie_direct(line);
System.arraycopy(line, 0, y, n*i, n);
}
return y;
......@@ -608,6 +621,38 @@ public class DttRad2 {
return y;
}
public double [] dstiie_direct(double[] x){
int n = x.length;
int t = ilog2(n)-1;
if (SIIe==null){
setup_SIIe(N); // just full size
}
double [] y = new double[n];
for (int i = 0; i<n; i++) {
y[i] = 0.0;
for (int j = 0; j< n; j++){
y[i]+= SIIe[t][i][j]*x[j];
}
}
return y;
}
public double [] dstiiie_direct(double[] x){
int n = x.length;
int t = ilog2(n)-1;
if (SIIIe==null){
setup_SIIIe(N); // just full size
}
double [] y = new double[n];
for (int i = 0; i<n; i++) {
y[i] = 0.0;
for (int j = 0; j< n; j++){
y[i]+= SIIIe[t][i][j]*x[j];
}
}
return y;
}
public double [] dstiv_direct(double[] x){
int n = x.length;
int t = ilog2(n)-1;
......@@ -672,11 +717,8 @@ public class DttRad2 {
int n = 2 << t; // for N==3: 2, 4, 8
CIIe[t] = new double[n][n];
double scale = Math.sqrt(2.0/n);
// double ej;
double pi_2n=Math.PI/(2*n);
for (int j=0;j<n; j++){
// if (j==0) ej= Math.sqrt(0.5);
// else ej = 1.0;
for (int k = 0; k<n; k++){
CIIe[t][j][k] = scale * Math.cos(j*(2*k+1)*pi_2n);
}
......@@ -697,10 +739,9 @@ public class DttRad2 {
double pi_2n=Math.PI/(2*n);
for (int j=0;j < n; j++){
if ((j==0) || (j == (n-1))) ej= 0.5; // Math.sqrt(0.5);
// if (j==0) ej= 0.5; // Math.sqrt(0.5);
// if (j==0) ej= 0.5; // Math.sqrt(0.5); Should it be this? https://en.wikipedia.org/wiki/Discrete_cosine_transform#DCT-III
else ej = 1.0;
for (int k = 0; k<n; k++){
// CIIIe[t][j][k] = scale * ej * Math.cos(j*(2*k+1)*pi_2n);
CIIIe[t][k][j] = scale * ej * Math.cos(j*(2*k+1)*pi_2n);
}
}
......@@ -729,6 +770,46 @@ public class DttRad2 {
}
}
private void setup_SIIe(int maxN){
if (maxN > N) setup_arrays(maxN);
int l = ilog2(N);
if (!(SIIe==null) && (SIIe.length >= l)) return;
SIIe = new double[l][][]; // only needed for direct? Assign only when needed?
for (int t = 0; t<SIIe.length; t++) {
int n = 2 << t; // for N==3: 2, 4, 8
SIIe[t] = new double[n][n];
double scale = Math.sqrt(2.0/n);
double pi_2n=Math.PI/(2*n);
for (int j=0;j<n; j++){
for (int k = 0; k<n; k++){
SIIe[t][j][k] = scale * Math.sin((j+1)*(2*k+1)*pi_2n);
}
}
}
}
private void setup_SIIIe(int maxN){
if (maxN > N) setup_arrays(maxN);
int l = ilog2(N);
if (!(SIIIe==null) && (SIIIe.length >= l)) return;
SIIIe = new double[l][][]; // only needed for direct? Assign only when needed?
for (int t = 0; t<SIIIe.length; t++) {
int n = 2 << t; // for N==3: 2, 4, 8
SIIIe[t] = new double[n][n];
double scale = Math.sqrt(2.0/n);
double ej;
double pi_2n=Math.PI/(2*n);
for (int j=0;j < n; j++){
// if ((j==0) || (j == (n-1))) ej= 0.5; // Math.sqrt(0.5);
if (j == (n-1)) ej= 0.5; // Math.sqrt(0.5);
else ej = 1.0;
for (int k = 0; k<n; k++){
SIIIe[t][k][j] = scale * ej * Math.sin((j+1)*(2*k+1)*pi_2n);
}
}
}
}
private void setup_SIV(int maxN){
if (maxN > N) setup_arrays(maxN);
int l = ilog2(N);
......
src/main/java/EyesisCorrectionParameters.java
View file @ 6920c6cc
......@@ -1773,14 +1773,18 @@ public class EyesisCorrectionParameters {
}
}
public static class CLTParameters {
public int transform_size = 8; //
public int clt_window = 1; // currently only 3 types of windows - 0 (none), 1 and 2
public double shift_x = 0.0;
public double shift_y = 0.0;
public int iclt_mask = 15; // which transforms to combine
public int tileX = 258; // number of kernel tile (0..163)
public int tileY = 133; // number of kernel tile (0..122)
public int dbg_mode = 0; // 0 - normal, +1 - no DCT/IDCT
public int transform_size = 8; //
public int clt_window = 1; // currently only 3 types of windows - 0 (none), 1 and 2
public double shift_x = 0.0;
public double shift_y = 0.0;
public int iclt_mask = 15; // which transforms to combine
public int tileX = 258; // number of kernel tile (0..163)
public int tileY = 133; // number of kernel tile (0..122)
public int dbg_mode = 0; // 0 - normal, +1 - no DCT/IDCT
public int ishift_x = 0; // debug feature - shift source image by this pixels left
public int ishift_y = 0; // debug feature - shift source image by this pixels down
public double fat_zero = 0.0; // modify phase correlation to prevent division by very small numbers
public double corr_sigma =0.8; // LPF correlarion sigma
public CLTParameters(){}
public void setProperties(String prefix,Properties properties){
......@@ -1792,6 +1796,10 @@ public class EyesisCorrectionParameters {
properties.setProperty(prefix+"tileX", this.tileX+"");
properties.setProperty(prefix+"tileY", this.tileY+"");
properties.setProperty(prefix+"dbg_mode", this.dbg_mode+"");
properties.setProperty(prefix+"ishift_x", this.ishift_x+"");
properties.setProperty(prefix+"ishift_y", this.ishift_y+"");
properties.setProperty(prefix+"fat_zero", this.fat_zero+"");
properties.setProperty(prefix+"corr_sigma", this.corr_sigma+"");
}
public void getProperties(String prefix,Properties properties){
if (properties.getProperty(prefix+"transform_size")!=null) this.transform_size=Integer.parseInt(properties.getProperty(prefix+"transform_size"));
......@@ -1802,6 +1810,10 @@ public class EyesisCorrectionParameters {
if (properties.getProperty(prefix+"tileX")!=null) this.tileX=Integer.parseInt(properties.getProperty(prefix+"tileX"));
if (properties.getProperty(prefix+"tileY")!=null) this.tileY=Integer.parseInt(properties.getProperty(prefix+"tileY"));
if (properties.getProperty(prefix+"dbg_mode")!=null) this.dbg_mode=Integer.parseInt(properties.getProperty(prefix+"dbg_mode"));
if (properties.getProperty(prefix+"ishift_x")!=null) this.ishift_x=Integer.parseInt(properties.getProperty(prefix+"ishift_x"));
if (properties.getProperty(prefix+"ishift_y")!=null) this.ishift_y=Integer.parseInt(properties.getProperty(prefix+"ishift_y"));
if (properties.getProperty(prefix+"fat_zero")!=null) this.fat_zero=Double.parseDouble(properties.getProperty(prefix+"fat_zero"));
if (properties.getProperty(prefix+"corr_sigma")!=null) this.corr_sigma=Double.parseDouble(properties.getProperty(prefix+"corr_sigma"));
}
public boolean showDialog() {
GenericDialog gd = new GenericDialog("Set DCT parameters");
......@@ -1813,7 +1825,10 @@ public class EyesisCorrectionParameters {
gd.addNumericField("Tile X to extract (0..163)", this.tileX, 0);
gd.addNumericField("Tile Y to extract (0..122)", this.tileY, 0);
gd.addNumericField("dbg_mode: 0 - normal, +1 - no DCT/IDCT, just fold", this.dbg_mode, 0);
gd.addNumericField("ishift_x: shift source image by this pixels left", this.ishift_x, 0);
gd.addNumericField("ishift_x: shift source image by this pixels down", this.ishift_y, 0);
gd.addNumericField("Modify phase correlation to prevent division by very small numbers", this.fat_zero, 4);
gd.addNumericField("LPF correlarion sigma ", this.corr_sigma, 3);
WindowTools.addScrollBars(gd);
gd.showDialog();
......@@ -1825,7 +1840,11 @@ public class EyesisCorrectionParameters {
this.iclt_mask= (int) gd.getNextNumber();
this.tileX= (int) gd.getNextNumber();
this.tileY= (int) gd.getNextNumber();
this.dbg_mode= (int) gd.getNextNumber();
this.dbg_mode= (int) gd.getNextNumber();
this.ishift_x= (int) gd.getNextNumber();
this.ishift_y= (int) gd.getNextNumber();
this.fat_zero = gd.getNextNumber();
this.corr_sigma = gd.getNextNumber();
return true;
}
}
......
src/main/java/EyesisDCT.java
View file @ 6920c6cc
......@@ -790,7 +790,7 @@ public class EyesisDCT {
}
// kernels[chn].st_kernels[nc][tileY][tileX]= dtt.dttt_iii(kernels[chn].st_kernels[nc][tileY][tileX]);
kernels[chn].st_kernels[nc][tileY][tileX]= dtt.dttt_iiie(kernels[chn].st_kernels[nc][tileY][tileX]);
kernels[chn].st_kernels[nc][tileY][tileX]= dtt.dttt_iiie(kernels[chn].st_kernels[nc][tileY][tileX]); //, 0, dct_size)
}
// System.out.println("tileY="+tileY);
}
......
src/main/java/Eyesis_Correction.java
View file @ 6920c6cc
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src/main/java/ImageDtt.java
View file @ 6920c6cc
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