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 * Image processing operations for SciJava Ops.
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package org.scijava.ops.image.features.lbp2d;

import static org.junit.jupiter.api.Assertions.assertEquals;

import java.util.ArrayList;

import org.scijava.ops.image.AbstractFeatureTest;
import net.imglib2.type.numeric.integer.LongType;

import org.junit.jupiter.api.Test;
import org.scijava.types.Nil;

/**
 * Test for {@Link Lbp2dFeature}
 *
 * @author Andreas Graumann (University of Konstanz)
 */
public class LBP2dFeatureTest extends AbstractFeatureTest {

	@Test
	public void testLbp2d() {
		final ArrayList<LongType> hist = ops.op("features.lbp2d").input(random, 1,
			4).outType(new Nil<ArrayList<LongType>>()
		{}).apply();

		// Test values proved by calculating small toy example by hand.
		assertEquals(5412.0, hist.get(0).getRealDouble(), 1e-3, "features.lbp2d");
		assertEquals(0.0, hist.get(1).getRealDouble(), 1e-3, "features.lbp2d");
		assertEquals(4251.0, hist.get(2).getRealDouble(), 1e-3, "features.lbp2d");
		assertEquals(337.0, hist.get(3).getRealDouble(), 1e-3, "features.lbp2d");

	}

}
