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| Original file line number | Diff line number | Diff line change | |
|---|---|---|---|
@@ -30,21 +30,14 @@ | |||
| 30 | 30 | ||
| 31 | 31 | package org.scijava.ops.image.filter.convolve; | |
| 32 | 32 | ||
| 33 | - import net.imglib2.*; | ||
| 34 | - import net.imglib2.img.array.ArrayImgs; | ||
| 35 | - import net.imglib2.type.numeric.integer.UnsignedByteType; | ||
| 36 | - import net.imglib2.view.Views; | ||
| 37 | - import org.apache.commons.math3.complex.Complex; | ||
| 38 | - import org.junit.jupiter.api.Assertions; | ||
| 39 | 33 | import org.scijava.ops.image.AbstractOpTest; | |
| 34 | + import net.imglib2.RandomAccessibleInterval; | ||
| 40 | 35 | import net.imglib2.outofbounds.OutOfBoundsFactory; | |
| 41 | 36 | import net.imglib2.type.numeric.complex.ComplexFloatType; | |
| 42 | 37 | import net.imglib2.type.numeric.real.FloatType; | |
| 43 | 38 | import org.junit.jupiter.api.Test; | |
| 44 | 39 | import org.scijava.types.Nil; | |
| 45 | 40 | ||
| 46 | - import java.util.Arrays; | ||
| 47 | - | ||
| 48 | 41 | /** | |
| 49 | 42 | * Tests involving convolvers. | |
| 50 | 43 | */ | |
@@ -66,33 +59,6 @@ public void testConvolve() { | |||
| 66 | 59 | {} // | |
| 67 | 60 | ).outType(new Nil<RandomAccessibleInterval<FloatType>>() {}).function(); | |
| 68 | 61 | } | |
| 69 | - | ||
| 70 | - @Test | ||
| 71 | - public void testCorrelate() { | ||
| 72 | - // Create an image with the center pixel set | ||
| 73 | - var img = ArrayImgs.unsignedBytes(9, 9); | ||
| 74 | - var impulse = new long[] {4, 4}; | ||
| 75 | - img.randomAccess().setPositionAndGet(impulse).set(1); | ||
| 76 | - | ||
| 77 | - // Create an identity kernel | ||
| 78 | - var kernel = ArrayImgs.unsignedBytes(5, 5); | ||
| 79 | - kernel.getAt(2, 2).set(1); | ||
| 80 | - | ||
| 81 | - // Correlate with Ops | ||
| 82 | - var output = ops.op("filter.correlate").input(img, kernel, new FloatType(), new ComplexFloatType()).apply(); | ||
| 83 | - Assertions.assertInstanceOf(RandomAccessibleInterval.class, output); | ||
| 84 | - var actual = (RandomAccessibleInterval<FloatType>) output; | ||
| 85 | - | ||
| 86 | - // Check the result | ||
| 87 | - var cursor = actual.cursor(); | ||
| 88 | - while (cursor.hasNext()) { | ||
| 89 | - var actualValue = cursor.next().get(); | ||
| 90 | - var pos = cursor.positionAsLongArray(); | ||
| 91 | - // The only pixel that should be set is the center pixel. | ||
| 92 | - var expected = Arrays.equals(impulse, pos) ? 1 : 0; | ||
| 93 | - Assertions.assertEquals(expected, actualValue, 1e-6); | ||
| 94 | - } | ||
| 95 | - } | ||
| 96 | 62 | } | |
| 97 | 63 | // | |
| 98 | 64 | // /** Tests that the correct convolver is selected when using a small kernel. */ | |
| Original file line number | Diff line number | Diff line change | |
|---|---|---|---|
@@ -0,0 +1,74 @@ | |||
| 1 | + /* | ||
| 2 | + * #%L | ||
| 3 | + * Image processing operations for SciJava Ops. | ||
| 4 | + * %% | ||
| 5 | + * Copyright (C) 2014 - 2025 SciJava developers. | ||
| 6 | + * %% | ||
| 7 | + * Redistribution and use in source and binary forms, with or without | ||
| 8 | + * modification, are permitted provided that the following conditions are met: | ||
| 9 | + * | ||
| 10 | + * 1. Redistributions of source code must retain the above copyright notice, | ||
| 11 | + * this list of conditions and the following disclaimer. | ||
| 12 | + * 2. Redistributions in binary form must reproduce the above copyright notice, | ||
| 13 | + * this list of conditions and the following disclaimer in the documentation | ||
| 14 | + * and/or other materials provided with the distribution. | ||
| 15 | + * | ||
| 16 | + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" | ||
| 17 | + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | ||
| 18 | + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | ||
| 19 | + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE | ||
| 20 | + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | ||
| 21 | + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | ||
| 22 | + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | ||
| 23 | + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | ||
| 24 | + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | ||
| 25 | + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | ||
| 26 | + * POSSIBILITY OF SUCH DAMAGE. | ||
| 27 | + * #L% | ||
| 28 | + */ | ||
| 29 | + // | ||
| 30 | + | ||
| 31 | + package org.scijava.ops.image.filter.correlate; | ||
| 32 | + | ||
| 33 | + import net.imglib2.RandomAccessibleInterval; | ||
| 34 | + import net.imglib2.img.array.ArrayImgs; | ||
| 35 | + import net.imglib2.type.numeric.complex.ComplexFloatType; | ||
| 36 | + import net.imglib2.type.numeric.real.FloatType; | ||
| 37 | + import org.junit.jupiter.api.Assertions; | ||
| 38 | + import org.junit.jupiter.api.Test; | ||
| 39 | + import org.scijava.ops.image.AbstractOpTest; | ||
| 40 | + | ||
| 41 | + import java.util.Arrays; | ||
| 42 | + | ||
| 43 | + /** | ||
| 44 | + * Tests involving convolvers. | ||
| 45 | + */ | ||
| 46 | + public class CorrelateTest extends AbstractOpTest { | ||
| 47 | + | ||
| 48 | + @Test | ||
| 49 | + public void testCorrelate() { | ||
| 50 | + // Create an image with the center pixel set | ||
| 51 | + var img = ArrayImgs.unsignedBytes(9, 9); | ||
| 52 | + var impulse = new long[] {4, 4}; | ||
| 53 | + img.randomAccess().setPositionAndGet(impulse).set(1); | ||
| 54 | + | ||
| 55 | + // Create an identity kernel | ||
| 56 | + var kernel = ArrayImgs.unsignedBytes(5, 5); | ||
| 57 | + kernel.getAt(2, 2).set(1); | ||
| 58 | + | ||
| 59 | + // Correlate with Ops | ||
| 60 | + var output = ops.op("filter.correlate").input(img, kernel, new FloatType(), new ComplexFloatType()).apply(); | ||
| 61 | + Assertions.assertInstanceOf(RandomAccessibleInterval.class, output); | ||
| 62 | + var actual = (RandomAccessibleInterval<FloatType>) output; | ||
| 63 | + | ||
| 64 | + // Check the result | ||
| 65 | + var cursor = actual.cursor(); | ||
| 66 | + while (cursor.hasNext()) { | ||
| 67 | + var actualValue = cursor.next().get(); | ||
| 68 | + var pos = cursor.positionAsLongArray(); | ||
| 69 | + // The only pixel that should be set is the center pixel. | ||
| 70 | + var expected = Arrays.equals(impulse, pos) ? 1 : 0; | ||
| 71 | + Assertions.assertEquals(expected, actualValue, 1e-6); | ||
| 72 | + } | ||
| 73 | + } | ||
| 74 | + } | ||
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