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

Example 21 with ImageGray

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

the class TestImplGrayImageOps method invert.

public void invert(Method m) throws InvocationTargetException, IllegalAccessException {
    Class[] param = m.getParameterTypes();
    ImageGray input = GeneralizedImageOps.createSingleBand(param[0], width, height);
    GImageMiscOps.fillUniform(input, rand, 0, 100);
    ImageGray output = GeneralizedImageOps.createSingleBand(param[0], width, height);
    m.invoke(null, input, 255, output);
    GImageGray a = FactoryGImageGray.wrap(input);
    GImageGray b = FactoryGImageGray.wrap(output);
    for (int y = 0; y < height; y++) {
        for (int x = 0; x < width; x++) {
            assertEquals(255 - a.get(x, y).doubleValue(), b.get(x, y).doubleValue(), 1e-4f);
        }
    }
}

Example 22 with ImageGray

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

the class GenericWaveletDenoiseTests method denoiseImage.

@Override
public void denoiseImage(T imageNoisy, T imageDenoised) {
    ImageGray transformedImg = transform.transform(imageNoisy, null);
    // so this condition is also tested
    if (imageNoisy.isSubimage()) {
        transformedImg = (T) BoofTesting.createSubImageOf(transformedImg);
    }
    denoiseWavelet(transformedImg, transform.getLevels());
    transform.invert(transformedImg, imageDenoised);
}

Example 23 with ImageGray

use of boofcv.struct.image.ImageGray 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 24 with ImageGray

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

the class TestImageMiscOps method testFlipVertical.

private void testFlipVertical(Method m, int height) throws IllegalAccessException, InvocationTargetException {
    Class[] paramTypes = m.getParameterTypes();
    ImageGray imgA = GeneralizedImageOps.createSingleBand(paramTypes[0], width, height);
    GImageMiscOps.fillUniform(imgA, rand, 0, 100);
    ImageGray imgB = (ImageGray) imgA.clone();
    m.invoke(null, imgB);
    for (int y = 0; y < height; y++) {
        for (int x = 0; x < width; x++) {
            double valA = GeneralizedImageOps.get(imgA, x, height - y - 1);
            double valB = GeneralizedImageOps.get(imgB, x, y);
            assertTrue(valA == valB);
        }
    }
}

Example 25 with ImageGray

use of boofcv.struct.image.ImageGray 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);
        }
    }
}