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

Example 76 with ImageGray

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

the class TestPixelMath method testDividePixel.

private void testDividePixel(Method m) throws InvocationTargetException, IllegalAccessException {
    Class[] paramTypes = m.getParameterTypes();
    ImageGray inputA = GeneralizedImageOps.createSingleBand(paramTypes[0], width, height);
    ImageGray inputB = GeneralizedImageOps.createSingleBand(paramTypes[1], width, height);
    ImageGray output = GeneralizedImageOps.createSingleBand(paramTypes[2], width, height);
    GImageMiscOps.fillUniform(inputA, rand, -20, 20);
    GImageMiscOps.fillUniform(inputB, rand, -20, 20);
    m.invoke(null, inputA, inputB, output);
    GImageGray a = FactoryGImageGray.wrap(inputA);
    GImageGray b = FactoryGImageGray.wrap(inputB);
    GImageGray o = FactoryGImageGray.wrap(output);
    for (int i = 0; i < height; i++) {
        for (int j = 0; j < width; j++) {
            assertEquals(a.get(j, i).doubleValue() / b.get(j, i).doubleValue(), o.get(j, i).doubleValue(), 1e-4);
        }
    }
}

Example 77 with ImageGray

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

the class TestPixelMath method testSqrt.

private void testSqrt(Method m) throws InvocationTargetException, IllegalAccessException {
    Class[] paramTypes = m.getParameterTypes();
    ImageGray inputA = GeneralizedImageOps.createSingleBand(paramTypes[0], width, height);
    ImageGray inputB = GeneralizedImageOps.createSingleBand(paramTypes[1], width, height);
    GImageMiscOps.fillUniform(inputA, rand, -20, 20);
    GImageMiscOps.fillUniform(inputB, rand, -20, 20);
    m.invoke(null, inputA, inputB);
    for (int i = 0; i < height; i++) {
        for (int j = 0; j < width; j++) {
            double a = GeneralizedImageOps.get(inputA, j, i);
            double b = GeneralizedImageOps.get(inputB, j, i);
            assertEquals(Math.sqrt(a), b, 1e-4);
        }
    }
}

Example 78 with ImageGray

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

the class TestPixelMath method testLog.

private void testLog(Method m) throws InvocationTargetException, IllegalAccessException {
    Class[] paramTypes = m.getParameterTypes();
    ImageGray inputA = GeneralizedImageOps.createSingleBand(paramTypes[0], width, height);
    ImageGray inputB = GeneralizedImageOps.createSingleBand(paramTypes[1], width, height);
    GImageMiscOps.fillUniform(inputA, rand, -20, 20);
    GImageMiscOps.fillUniform(inputB, rand, -20, 20);
    m.invoke(null, inputA, inputB);
    for (int i = 0; i < height; i++) {
        for (int j = 0; j < width; j++) {
            double a = GeneralizedImageOps.get(inputA, j, i);
            double b = GeneralizedImageOps.get(inputB, j, i);
            assertEquals(Math.log(1 + a), b, 1e-4);
        }
    }
}

Example 79 with ImageGray

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

the class TestImplIntegralImageOps method block_unsafe.

public void block_unsafe(Method m) throws InvocationTargetException, IllegalAccessException {
    Class[] paramType = m.getParameterTypes();
    Class inputType = paramType[0];
    Class origType = inputType == GrayS32.class ? GrayU8.class : inputType;
    ImageGray input = GeneralizedImageOps.createSingleBand(origType, width, height);
    ImageGray integral = GeneralizedImageOps.createSingleBand(inputType, width, height);
    GImageMiscOps.fill(input, 1);
    GIntegralImageOps.transform(input, integral);
    double found0 = ((Number) m.invoke(null, integral, 4, 5, 8, 8)).doubleValue();
    assertEquals(12, found0, 1e-4f);
}

Example 80 with ImageGray

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

the class TestImplIntegralImageOps method transform.

public void transform(Method m) {
    Class[] paramType = m.getParameterTypes();
    Class inputType = paramType[0];
    Class outputType = paramType[1];
    ImageGray input = GeneralizedImageOps.createSingleBand(inputType, width, height);
    ImageGray integral = GeneralizedImageOps.createSingleBand(outputType, width, height);
    GImageMiscOps.fillUniform(input, rand, 0, 100);
    BoofTesting.checkSubImage(this, "checkTransformResults", true, m, input, integral);
}