Examples with GrayS32 boofcv.struct.image.GrayS32 used on opensource projects

Example 41 with GrayS32

use of boofcv.struct.image.GrayS32 in project BoofCV by lessthanoptimal.

the class TestWatershedVincentSoille1991_Connect8 method example1.

@Test
public void example1() {
    GrayU8 image = new GrayU8(4, 4);
    image.data = new byte[] { 1, 5, 5, 1, 1, 5, 5, 1, 1, 5, 5, 1, 1, 5, 5, 1 };
    WatershedVincentSoille1991 alg = new WatershedVincentSoille1991.Connect8();
    alg.process(image);
    assertEquals(3, alg.getTotalRegions());
    GrayS32 found = alg.getOutput();
    int a = found.get(0, 0);
    int b = found.get(3, 0);
    assertTrue(a > 0);
    assertTrue(b > 0);
    assertTrue(a != b);
    for (int y = 0; y < image.height; y++) {
        assertEquals(a, found.get(0, y));
        assertEquals(a, found.get(1, y));
        assertEquals(b, found.get(2, y));
        assertEquals(b, found.get(3, y));
    }
}

Example 42 with GrayS32

use of boofcv.struct.image.GrayS32 in project BoofCV by lessthanoptimal.

the class TestWatershedVincentSoille1991_Connect8 method example2.

@Test
public void example2() {
    GrayU8 image = new GrayU8(5, 4);
    image.data = new byte[] { 5, 5, 5, 5, 5, 5, 1, 5, 1, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5 };
    WatershedVincentSoille1991 alg = new WatershedVincentSoille1991.Connect8();
    alg.process(image);
    GrayS32 found = alg.getOutput();
    assertEquals(3, alg.getTotalRegions());
    int a = found.get(0, 0);
    int b = found.get(4, 0);
    assertTrue(a > 0);
    assertTrue(b > 0);
    assertTrue(a != b);
    for (int y = 0; y < image.height; y++) {
        assertEquals(a, found.get(0, y));
        assertEquals(a, found.get(1, y));
        assertEquals(0, found.get(2, y));
        assertEquals(b, found.get(3, y));
        assertEquals(b, found.get(4, y));
    }
}

Example 43 with GrayS32

use of boofcv.struct.image.GrayS32 in project BoofCV by lessthanoptimal.

the class TestWatershedVincentSoille1991_Connect8 method example5.

@Test
public void example5() {
    GrayU8 image = new GrayU8(5, 4);
    image.data = new byte[] { 1, 1, 1, 5, 5, 1, 1, 1, 5, 5, 0, 1, 1, 5, 5, 1, 1, 1, 5, 5 };
    WatershedVincentSoille1991 alg = new WatershedVincentSoille1991.Connect8();
    alg.process(image);
    GrayS32 found = alg.getOutput();
    // found.print();
    assertEquals(2, alg.getTotalRegions());
    for (int y = 0; y < image.height; y++) {
        for (int x = 0; x < image.width; x++) {
            assertEquals(1, found.get(x, y));
        }
    }
}

Example 44 with GrayS32

use of boofcv.struct.image.GrayS32 in project BoofCV by lessthanoptimal.

the class TestWatershedVincentSoille1991_Connect8 method example0.

@Test
public void example0() {
    GrayU8 image = new GrayU8(3, 4);
    image.data = new byte[] { 1, 5, 1, 1, 5, 1, 1, 5, 1, 1, 5, 1 };
    WatershedVincentSoille1991 alg = new WatershedVincentSoille1991.Connect8();
    alg.process(image);
    assertEquals(3, alg.getTotalRegions());
    GrayS32 found = alg.getOutput();
    int a = found.get(0, 0);
    int b = found.get(2, 0);
    assertTrue(a > 0);
    assertTrue(b > 0);
    assertTrue(a != b);
    for (int y = 0; y < image.height; y++) {
        assertEquals(a, found.get(0, y));
        assertEquals(0, found.get(1, y));
        assertEquals(b, found.get(2, y));
    }
}

Example 45 with GrayS32

use of boofcv.struct.image.GrayS32 in project BoofCV by lessthanoptimal.

the class TestImageSegmentationOps method regionPixelId_to_Compact.

private void regionPixelId_to_Compact(GrayS32 graph, GrayS32 output) {
    GrayS32 input = new GrayS32(4, 5);
    input.data = new int[] { 2, 2, 2, 5, 5, 5, 5, 5, 2, 2, 2, 2, 15, 15, 15, 15, 15, 15, 15, 15 };
    // graph might be a sub-image
    for (int y = 0; y < graph.height; y++) {
        for (int x = 0; x < graph.width; x++) {
            graph.set(x, y, adjust(input.get(x, y), graph));
        }
    }
    GrowQueue_I32 rootNodes = new GrowQueue_I32();
    rootNodes.add(adjust(2, graph));
    rootNodes.add(adjust(5, graph));
    rootNodes.add(adjust(15, graph));
    ImageSegmentationOps.regionPixelId_to_Compact(graph, rootNodes, output);
    GrayS32 expected = new GrayS32(4, 5);
    expected.data = new int[] { 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 2, 2, 2, 2, 2, 2, 2, 2 };
    BoofTesting.assertEquals(expected, output, 1e-4);
}