Commit 09416a86 authored by Andrey Filippov's avatar Andrey Filippov
Browse files

working with actual images

parent 91616de2

src/main/java/DttRad2.java

+54 −11
Original line number Diff line number Diff line
@@ -137,7 +137,7 @@ public class DttRad2 { 
				}

			}

		}

		if (n < 16) {

		if (n < 8) {

			for (int i = 0; i < n; i++ ){

				fi = get_fold_indices(i,n);

				System.out.println(i+"->"+String.format("[%2d % 2d % 2d] [%2d %2d %2d] %f %f",
@@ -188,12 +188,12 @@ public class DttRad2 { 
				unfold_index[n2*i+j]=(index_vert+index_hor);

				unfold_k[n2*i+j]=k_vert*k_hor;

				

				if (n < 16) System.out.print(String.format("%4d", unfold_index[n2*i+j]));

				if (n < 8) System.out.print(String.format("%4d", unfold_index[n2*i+j]));

				

			}

			if (n < 16) System.out.println();

			if (n < 8) System.out.println();

		}

		if (n < 16) {

		if (n < 8) {

			for (int i = 0; i < 2*n; i++ ){

				System.out.println(i+"->"+get_unfold_index(i,n));

			}
@@ -226,7 +226,7 @@ public class DttRad2 { 
	}

	

	public double [] dttt_ii(double [] x){

		return dttt_iv(x, 0, 1 << (ilog2(x.length)/2)); 

		return dttt_ii(x, 1 << (ilog2(x.length)/2)); 

	}



	public double [] dttt_ii(double [] x, int n){
@@ -247,6 +247,29 @@ public class DttRad2 { 
		return y;

	}



	public double [] dttt_iii(double [] x){

		return dttt_iii(x, 1 << (ilog2(x.length)/2)); 

	}



	public double [] dttt_iii(double [] x, 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 = dctiii_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 = dctiii_direct(line);

			System.arraycopy(line, 0, y, n*i, n);

		}

		return y;

	}



	

	

	

	public void set_window(){
@@ -259,15 +282,17 @@ public class DttRad2 { 
		hwindow = new double[len];

		double f = Math.PI/(2.0*len);

		double sqrt1_2=Math.sqrt(0.5);

		if      (mode < 0) mode =0;

		else if (mode > 2) mode = 2;

		if (mode ==0){

			for (int i = 0; i < len; i++ ) hwindow[i] = sqrt1_2;

		} else if (mode ==1){

			for (int i = 0; i < len; i++ ) hwindow[i] = Math.sin(f*(i+0.5));

		} else { // add more types?

		} else if (mode ==2){

			double s;

			for (int i = 0; i < len; i++ ) {

				s = Math.sin(f*(i+0.5));

				hwindow[i] = Math.sin(Math.PI*s*s);

				hwindow[i] = Math.sin(Math.PI*s*s/2);

			}

		}

		set_fold_2d(len);
@@ -318,6 +343,24 @@ public class DttRad2 { 
		return y;

	}



	public double [] dctiii_direct(double[] x){

		// CIII=transp(CII)

		int n = x.length;

		int t = ilog2(n)-1;

		if (CII==null){

			setup_CII(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]+= CII[t][j][i]*x[j]; 

			}

		}

		return y;

	}

	

	

	public double [] dctiv_direct(double[] x){

		int n = x.length;

		int t = ilog2(n)-1;

src/main/java/EyesisCorrectionParameters.java

+177 −41

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src/main/java/EyesisDCT.java

+340 −16

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src/main/java/Eyesis_Correction.java

+221 −46

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src/main/java/ImageDtt.java

+339 −10

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