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TikhonovRegularizedInverseFilterPanel.java
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Thu, Jul 11, 05:44

TikhonovRegularizedInverseFilterPanel.java
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/*
* DeconvolutionLab2
*
* Conditions of use: You are free to use this software for research or
* educational purposes. In addition, we expect you to include adequate
* citations and acknowledgments whenever you present or publish results that
* are based on it.
*
* Reference: DeconvolutionLab2: An Open-Source Software for Deconvolution
* Microscopy D. Sage, L. Donati, F. Soulez, D. Fortun, G. Schmit, A. Seitz,
* R. Guiet, C. Vonesch, M Unser, Methods of Elsevier, 2017.
*/
/*
* Copyright 2010-2017 Biomedical Imaging Group at the EPFL.
*
* This file is part of DeconvolutionLab2 (DL2).
*
* DL2 is free software: you can redistribute it and/or modify it under the
* terms of the GNU General Public License as published by the Free Software
* Foundation, either version 3 of the License, or (at your option) any later
* version.
*
* DL2 is distributed in the hope that it will be useful, but WITHOUT ANY
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
* A PARTICULAR PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with
* DL2. If not, see <http://www.gnu.org/licenses/>.
*/
package deconvolution.algorithm;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import javax.swing.JPanel;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;
import bilib.component.GridPanel;
import bilib.tools.NumFormat;
import deconvolution.Command;
import deconvolution.RegularizationPanel;
import deconvolutionlab.Config;
public class TikhonovRegularizedInverseFilterPanel extends AbstractAlgorithmPanel implements ActionListener, ChangeListener, KeyListener {
private RegularizationPanel reg;
private TikhonovRegularizedInverseFilter algo = new TikhonovRegularizedInverseFilter(0.1);
@Override
public JPanel getPanelParameters() {
double[] params = algo.getDefaultParameters();
reg = new RegularizationPanel(params[0]);
GridPanel pn = new GridPanel(false);
pn.place(0, 0, reg);
Config.register("Algorithm." + algo.getShortnames()[0], "reg", reg.getText(), "0.1");
reg.getText().addKeyListener(this);
reg.getSlider().addChangeListener(this);
return pn;
}
@Override
public String getCommand() {
return NumFormat.nice(reg.getValue());
}
@Override
public void stateChanged(ChangeEvent e) {
reg.getText().removeKeyListener(this);
reg.updateFromSlider();
Command.command();
reg.getText().addKeyListener(this);
}
@Override
public void actionPerformed(ActionEvent e) {
Command.command();
}
@Override
public void keyTyped(KeyEvent e) {
}
@Override
public void keyPressed(KeyEvent e) {
}
@Override
public void keyReleased(KeyEvent e) {
reg.getSlider().removeChangeListener(this);
reg.updateFromText();
Command.command();
reg.getSlider().addChangeListener(this);
}
@Override
public String getName() {
return algo.getName();
}
@Override
public String[] getShortnames() {
return algo.getShortnames();
}
@Override
public String getDocumentation() {
String s = "";
s += "<h1>" + getName();
s += " [<span style=\"color:#FF3333;font-family:georgia\">TRIF</span> | ";
s += " <span style=\"color:#FF3333;font-family:georgia\">TR</span>] </h1>";
s += "<p>This algorithm is a direct inverse filter with a Tikhonov regularization following this formalization: ";
s += "<b>x</b> = (<b>H</b><sup>T</sup><b>H</b> + &lambda; <b>I</b>)<sup>-1</sup> <b>H</b><sup>T</sup><b>y</b>";
s += "<p> where <b>H</b> is the PSF and <b>I</b> is the identity operator. ";
s += "This regularization tends to reduce high frequencies noisy and in the same time ";
s += "it tends to blur the image. It is controlled by the regularization factor &lambda;. ";
s += "</p>";
s += "<p>TRIF or TR is very fast. It is non-iterative algorithm. </p>";
s += "<p>This formulation can also be interpreted as a maximum a posteriori model.";
s += "The regularization introduces prior information about the signal to guide the estimation.</p>";
s += "<p>Reference: A. Tikhonov, Solution of incorrectly formulated problems and the regularization method, Soviet Mathematics Dokl., vol. 5, 1963.</p>";
return s;
}
}

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