Examples with Shape net.imglib2.algorithm.neighborhood.Shape used on opensource projects

Example 16 with Shape

use of net.imglib2.algorithm.neighborhood.Shape in project imagej-ops by imagej.

the class NonLinearFiltersTest method before.

/**
 * Initialize images.
 *
 * @throws Exception
 */
@Before
public void before() throws Exception {
    in = generateByteArrayTestImg(true, new long[] { 10, 10 });
    out = generateByteArrayTestImg(false, new long[] { 10, 10 });
    shape = new RectangleShape(1, false);
}

Example 17 with Shape

use of net.imglib2.algorithm.neighborhood.Shape in project imagej-ops by imagej.

the class NonLinearFiltersTest method testMedianFilter.

/**
 * @see MedianFilterOp
 * @see DefaultMedianFilter
 */
@Test
public void testMedianFilter() {
    ops.run(MedianFilterOp.class, out, in, shape, oobFactory);
    ArrayList<ByteType> items = new ArrayList<>();
    NeighborhoodsIterableInterval<ByteType> neighborhoods = shape.neighborhoods(Views.interval(Views.extendMirrorSingle(in), in));
    for (ByteType t : neighborhoods.firstElement()) {
        items.add(t.copy());
    }
    Collections.sort(items);
    assertEquals(items.get(5).get(), out.firstElement().get());
}

Example 18 with Shape

use of net.imglib2.algorithm.neighborhood.Shape in project imagej-ops by imagej.

the class IntegralCursorTest method testIntegralCursor.

@SuppressWarnings({ "unchecked", "rawtypes" })
@Test
public void testIntegralCursor() {
    Shape rectangleShape = new RectangleShape(1, false);
    IterableInterval<Neighborhood<ByteType>> ii = rectangleShape.neighborhoodsSafe(img);
    Cursor<Neighborhood<ByteType>> cursor = ii.cursor();
    // Manually select the neighborhood that is centered on the image
    cursor.fwd();
    cursor.fwd();
    cursor.fwd();
    cursor.fwd();
    cursor.fwd();
    IntegralCursor<ByteType> integralCursor = new IntegralCursor<>((RectangleNeighborhood) cursor.get());
    assertEquals(integralCursor.next(), new ByteType((byte) 1));
    assertEquals(integralCursor.next(), new ByteType((byte) 2));
    assertEquals(integralCursor.next(), new ByteType((byte) 5));
    assertEquals(integralCursor.next(), new ByteType((byte) 4));
    assertFalse(integralCursor.hasNext());
    integralCursor.reset();
    assertEquals(integralCursor.next(), new ByteType((byte) 1));
    assertEquals(integralCursor.next(), new ByteType((byte) 2));
    assertEquals(integralCursor.next(), new ByteType((byte) 5));
    assertEquals(integralCursor.next(), new ByteType((byte) 4));
    assertFalse(integralCursor.hasNext());
}

Example 19 with Shape

use of net.imglib2.algorithm.neighborhood.Shape in project imagej-ops by imagej.

the class IntegralCursorTest method testIntegralCursorCopyConstructor.

@SuppressWarnings({ "unchecked", "rawtypes" })
@Test
public void testIntegralCursorCopyConstructor() {
    Shape rectangleShape = new RectangleShape(1, false);
    IterableInterval<Neighborhood<ByteType>> ii = rectangleShape.neighborhoodsSafe(img);
    Cursor<Neighborhood<ByteType>> cursor = ii.cursor();
    // Manually select the neighborhood that is centered on the image
    cursor.fwd();
    cursor.fwd();
    cursor.fwd();
    cursor.fwd();
    cursor.fwd();
    IntegralCursor<ByteType> integralCursor = new IntegralCursor<>((RectangleNeighborhood) cursor.get());
    assertEquals(integralCursor.next(), new ByteType((byte) 1));
    assertEquals(integralCursor.next(), new ByteType((byte) 2));
    IntegralCursor<ByteType> integralCursor2 = new IntegralCursor<>(integralCursor);
    assertEquals(integralCursor2.next(), new ByteType((byte) 5));
    assertEquals(integralCursor2.next(), new ByteType((byte) 4));
    assertFalse(integralCursor2.hasNext());
}

Example 20 with Shape

use of net.imglib2.algorithm.neighborhood.Shape in project imagej-ops by imagej.

the class BlackTopHatTest method testListBlackTopHat.

@Test
public void testListBlackTopHat() {
    final List<Shape> shapes = new ArrayList<>();
    shapes.add(new DiamondShape(1));
    shapes.add(new DiamondShape(1));
    shapes.add(new RectangleShape(1, false));
    shapes.add(new HorizontalLineShape(2, 1, false));
    @SuppressWarnings("unchecked") final IterableInterval<ByteType> out1 = (IterableInterval<ByteType>) ops.run(ListBlackTopHat.class, IterableInterval.class, in, shapes);
    final Img<ByteType> out2 = BlackTopHat.blackTopHat(in, shapes, 1);
    assertIterationsEqual(out2, out1);
}