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

Example 51 with ImageGray

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

the class TestImplGradientToEdgeFeatures method direction2.

public void direction2(Method m) throws InvocationTargetException, IllegalAccessException {
    Class derivType = m.getParameterTypes()[0];
    ImageGray derivX = GeneralizedImageOps.createSingleBand(derivType, width, height);
    ImageGray derivY = GeneralizedImageOps.createSingleBand(derivType, width, height);
    GImageMiscOps.fillUniform(derivX, rand, -20, 20);
    GImageMiscOps.fillUniform(derivY, rand, -20, 20);
    GrayF32 angle = new GrayF32(width, height);
    BoofTesting.checkSubImage(this, "direction2", false, m, derivX, derivY, angle);
}

Example 52 with ImageGray

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

the class TestImplGradientToEdgeFeatures method intensityAbs.

public void intensityAbs(Method m) throws InvocationTargetException, IllegalAccessException {
    Class derivType = m.getParameterTypes()[0];
    ImageGray derivX = GeneralizedImageOps.createSingleBand(derivType, width, height);
    ImageGray derivY = GeneralizedImageOps.createSingleBand(derivType, width, height);
    GImageMiscOps.fillUniform(derivX, rand, -20, 20);
    GImageMiscOps.fillUniform(derivY, rand, -20, 20);
    GrayF32 intensity = new GrayF32(width, height);
    BoofTesting.checkSubImage(this, "intensityAbs", false, m, derivX, derivY, intensity);
}

Example 53 with ImageGray

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

the class TestImplGradientToEdgeFeatures method direction.

public void direction(Method m) throws InvocationTargetException, IllegalAccessException {
    Class derivType = m.getParameterTypes()[0];
    ImageGray derivX = GeneralizedImageOps.createSingleBand(derivType, width, height);
    ImageGray derivY = GeneralizedImageOps.createSingleBand(derivType, width, height);
    GImageMiscOps.fillUniform(derivX, rand, -20, 20);
    GImageMiscOps.fillUniform(derivY, rand, -20, 20);
    GrayF32 angle = new GrayF32(width, height);
    BoofTesting.checkSubImage(this, "direction", false, m, derivX, derivY, angle);
}

Example 54 with ImageGray

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

the class TestGHistogramFeatureOps method histogram_sb.

@Test
public void histogram_sb() {
    for (Class type : supported) {
        ImageGray image = GeneralizedImageOps.createSingleBand(type, width, height);
        GImageMiscOps.fillUniform(image, rand, 0, 200);
        TupleDesc_F64 found = new TupleDesc_F64(200);
        TupleDesc_F64 expected = new TupleDesc_F64(200);
        GHistogramFeatureOps.histogram(image, 0, 200, found);
        if (type == GrayF32.class) {
            HistogramFeatureOps.histogram((GrayF32) image, 0, 200, expected);
        } else {
            HistogramFeatureOps.histogram((GrayU8) image, 200, expected);
        }
        assertEquals(0, DescriptorDistance.euclidean(expected, found), 1e-8);
    }
}

Example 55 with ImageGray

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

the class TestGlobalOtsuBinaryFilter method compare.

@Test
public void compare() {
    Class[] imageTypes = new Class[] { GrayU8.class, GrayF32.class };
    for (Class type : imageTypes) {
        ImageGray input = GeneralizedImageOps.createSingleBand(type, 30, 40);
        GrayU8 found = new GrayU8(30, 40);
        GrayU8 expected = new GrayU8(30, 40);
        GImageMiscOps.fillUniform(input, rand, 0, 200);
        GlobalOtsuBinaryFilter alg = new GlobalOtsuBinaryFilter(0, 255, true, ImageType.single(type));
        alg.process(input, found);
        double threshold = GThresholdImageOps.computeOtsu(input, 0, 255);
        GThresholdImageOps.threshold(input, expected, threshold, true);
        BoofTesting.assertEquals(found, expected, 0);
    }
}