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LiICQTest.java
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Sat, Sep 21, 11:58
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R6269 BIOP Run Macro
LiICQTest.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.assertTrue
;
import
net.imglib2.TwinCursor
;
import
net.imglib2.type.numeric.integer.UnsignedByteType
;
import
net.imglib2.view.Views
;
import
org.junit.Test
;
import
sc.fiji.coloc.algorithms.LiICQ
;
/**
* This class contains JUnit 4 test cases for the calculation of Li's
* ICQ value.
*
* @author Dan White
* @author Tom Kazimiers
*/
public
class
LiICQTest
extends
ColocalisationTest
{
/**
* Checks Li's ICQ value for positive correlated images.
*/
@Test
public
void
liPositiveCorrTest
()
{
TwinCursor
<
UnsignedByteType
>
cursor
=
new
TwinCursor
<
UnsignedByteType
>(
positiveCorrelationImageCh1
.
randomAccess
(),
positiveCorrelationImageCh2
.
randomAccess
(),
Views
.
iterable
(
positiveCorrelationAlwaysTrueMask
).
localizingCursor
());
// calculate Li's ICQ value
double
icq
=
LiICQ
.
calculateLisICQ
(
cursor
,
positiveCorrelationImageCh1Mean
,
positiveCorrelationImageCh2Mean
);
assertTrue
(
icq
>
0.34
&&
icq
<
0.35
);
}
/**
* Checks Li's ICQ value for zero correlated images. The ICQ value
* should be about zero.
*/
@Test
public
void
liZeroCorrTest
()
{
TwinCursor
<
UnsignedByteType
>
cursor
=
new
TwinCursor
<
UnsignedByteType
>(
zeroCorrelationImageCh1
.
randomAccess
(),
zeroCorrelationImageCh2
.
randomAccess
(),
Views
.
iterable
(
zeroCorrelationAlwaysTrueMask
).
localizingCursor
());
// calculate Li's ICQ value
double
icq
=
LiICQ
.
calculateLisICQ
(
cursor
,
zeroCorrelationImageCh1Mean
,
zeroCorrelationImageCh2Mean
);
assertTrue
(
Math
.
abs
(
icq
)
<
0.01
);
}
}
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