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AutoThresholdRegressionTest.java
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Sun, May 5, 20:39

AutoThresholdRegressionTest.java
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/*-
* #%L
* Fiji's plugin for colocalization analysis.
* %%
* Copyright (C) 2009 - 2017 Fiji developers.
* %%
* This program 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.
*
* This program 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 this program. If not, see
* <http://www.gnu.org/licenses/gpl-3.0.html>.
* #L%
*/
package sc.fiji.coloc.tests;
import static org.junit.Assert.assertEquals;
import net.imglib2.RandomAccessibleInterval;
import net.imglib2.type.numeric.integer.UnsignedByteType;
import org.junit.Test;
import sc.fiji.coloc.algorithms.AutoThresholdRegression;
import sc.fiji.coloc.algorithms.AutoThresholdRegression.Implementation;
import sc.fiji.coloc.algorithms.MissingPreconditionException;
import sc.fiji.coloc.algorithms.PearsonsCorrelation;
import sc.fiji.coloc.gadgets.DataContainer;
public class AutoThresholdRegressionTest extends ColocalisationTest {
@Test
public void clampHelperTest() throws MissingPreconditionException {
assertEquals(4, AutoThresholdRegression.clamp(5, 1, 4), 0.00001);
assertEquals(1, AutoThresholdRegression.clamp(-2, 1, 4), 0.00001);
assertEquals(1, AutoThresholdRegression.clamp(5, 1, 1), 0.00001);
assertEquals(2, AutoThresholdRegression.clamp(2, -1, 3), 0.00001);
}
/**
* This test makes sure the test images A and B lead to the same thresholds,
* regardless whether they are added in the order A, B or B, A to the data
* container.
*
* @throws MissingPreconditionException
*/
@Test
public void cummutativityTest() throws MissingPreconditionException {
_cummutativityTest(Implementation.Costes);
_cummutativityTest(Implementation.Bisection);
}
protected void _cummutativityTest(Implementation atrImplementation)
throws MissingPreconditionException {
PearsonsCorrelation<UnsignedByteType> pc1 =
new PearsonsCorrelation<UnsignedByteType>(
PearsonsCorrelation.Implementation.Fast);
PearsonsCorrelation<UnsignedByteType> pc2 =
new PearsonsCorrelation<UnsignedByteType>(
PearsonsCorrelation.Implementation.Fast);
AutoThresholdRegression<UnsignedByteType> atr1 =
new AutoThresholdRegression<UnsignedByteType>(pc1, atrImplementation);
AutoThresholdRegression<UnsignedByteType> atr2 =
new AutoThresholdRegression<UnsignedByteType>(pc2, atrImplementation);
RandomAccessibleInterval<UnsignedByteType> img1 = syntheticNegativeCorrelationImageCh1;
RandomAccessibleInterval<UnsignedByteType> img2 = syntheticNegativeCorrelationImageCh2;
DataContainer<UnsignedByteType> container1 =
new DataContainer<UnsignedByteType>(img1, img2, 1, 1,
"Channel 1", "Channel 2");
DataContainer<UnsignedByteType> container2 =
new DataContainer<UnsignedByteType>(img2, img1, 1, 1,
"Channel 2", "Channel 1");
atr1.execute(container1);
atr2.execute(container2);
assertEquals(atr1.getCh1MinThreshold(), atr2.getCh2MinThreshold());
assertEquals(atr1.getCh1MaxThreshold(), atr2.getCh2MaxThreshold());
assertEquals(atr1.getCh2MinThreshold(), atr2.getCh1MinThreshold());
assertEquals(atr1.getCh2MaxThreshold(), atr2.getCh1MaxThreshold());
}
}

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