Examples with GImageGray boofcv.core.image.GImageGray used on opensource projects

Example 6 with GImageGray

use of boofcv.core.image.GImageGray in project BoofCV by lessthanoptimal.

the class TestShrinkThresholdHard_I32 method performBasicSoftTest.

public static <T extends ImageGray<T>> void performBasicSoftTest(T image, ShrinkThresholdRule<T> rule) {
    final int height = image.height;
    final int width = image.width;
    GImageGray a = FactoryGImageGray.wrap(image);
    for (int y = 0; y < height; y++) {
        for (int x = 0; x < width; x++) {
            a.set(x, y, x);
        }
    }
    rule.process(image, 4);
    for (int y = 0; y < height; y++) {
        for (int x = 0; x < width; x++) {
            if (x < 4) {
                assertEquals(0, a.get(x, y).floatValue(), 1e-4);
            } else {
                assertEquals(x, a.get(x, y).floatValue(), 1e-4);
            }
        }
    }
}

Example 7 with GImageGray

use of boofcv.core.image.GImageGray in project BoofCV by lessthanoptimal.

the class TestImageMiscOps method testCopy.

private void testCopy(Method m) throws InvocationTargetException, IllegalAccessException {
    Class[] paramTypes = m.getParameterTypes();
    ImageGray src = GeneralizedImageOps.createSingleBand(paramTypes[6], width, height);
    ImageGray dst = GeneralizedImageOps.createSingleBand(paramTypes[7], width, height);
    GImageMiscOps.fillUniform(src, rand, 0, 20);
    GImageMiscOps.fillUniform(dst, rand, 0, 20);
    int w = 5, h = 8;
    int x0 = 1, y0 = 2;
    int x1 = 3, y1 = 4;
    m.invoke(null, 1, 2, 3, 4, w, h, src, dst);
    GImageGray a = FactoryGImageGray.wrap(src);
    GImageGray b = FactoryGImageGray.wrap(dst);
    for (int i = 0; i < h; i++) {
        for (int j = 0; j < w; j++) {
            assertEquals(a.get(x0 + j, y0 + i).doubleValue(), b.get(x1 + j, y1 + i).doubleValue(), 1e-4);
        }
    }
}

Example 8 with GImageGray

use of boofcv.core.image.GImageGray in project BoofCV by lessthanoptimal.

the class TestImageMiscOps method testFillRectangle_Single.

private void testFillRectangle_Single(Method m) throws InvocationTargetException, IllegalAccessException {
    Class[] paramTypes = m.getParameterTypes();
    ImageGray orig = GeneralizedImageOps.createSingleBand(paramTypes[0], width, height);
    int x0 = 2;
    int y0 = 3;
    int width = 5;
    int height = 6;
    if (orig.getDataType().isInteger()) {
        m.invoke(null, orig, 10, x0, y0, width, height);
    } else {
        m.invoke(null, orig, 10.0f, x0, y0, width, height);
    }
    GImageGray a = FactoryGImageGray.wrap(orig);
    for (int i = 0; i < height; i++) {
        for (int j = 0; j < width; j++) {
            if (j < x0 || i < y0 || i >= (x0 + width) || j >= (y0 + height))
                assertEquals(j + " " + i, 0.0, a.get(j, i).doubleValue(), 1e-4);
            else
                assertEquals(10.0, a.get(j, i).doubleValue(), 1e-4);
        }
    }
}

Example 9 with GImageGray

use of boofcv.core.image.GImageGray in project BoofCV by lessthanoptimal.

the class TestImageMiscOps method testFill_Single.

private void testFill_Single(Method m) throws InvocationTargetException, IllegalAccessException {
    Class[] paramTypes = m.getParameterTypes();
    ImageGray orig = GeneralizedImageOps.createSingleBand(paramTypes[0], width, height);
    GImageMiscOps.fillUniform(orig, rand, 0, 20);
    if (orig.getDataType().isInteger()) {
        m.invoke(null, orig, 10);
    } else {
        m.invoke(null, orig, 10.0f);
    }
    GImageGray a = FactoryGImageGray.wrap(orig);
    for (int i = 0; i < height; i++) {
        for (int j = 0; j < width; j++) {
            assertEquals(10.0, a.get(j, i).doubleValue(), 1e-4);
        }
    }
}

Example 10 with GImageGray

use of boofcv.core.image.GImageGray in project BoofCV by lessthanoptimal.

the class TestImplWaveletTransformInner method equalsTranVertical.

private void equalsTranVertical(ImageGray expected, ImageGray found, int begin, int end, String quad) {
    GImageGray e = FactoryGImageGray.wrap(expected);
    GImageGray f = FactoryGImageGray.wrap(found);
    for (int y = 0; y < expected.height; y++) {
        // the border should be unmodified, zeros
        if (y >= begin && y < end) {
            for (int x = 0; x < expected.width; x++) {
                assertEquals(quad + " ( " + x + " , " + y + " )", e.get(x, y).floatValue(), f.get(x, y).floatValue(), 1e-4f);
            }
        } else {
            for (int x = 0; x < expected.width; x++) {
                assertTrue(quad + " ( " + x + " , " + y + " ) 0 != " + f.get(x, y), 0 == f.get(x, y).floatValue());
            }
        }
    }
}