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

Example 21 with GrayS32

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

the class TestImplIntegralImageOps method convolve.

public void convolve(Method m) throws InvocationTargetException, IllegalAccessException {
    Kernel2D_S32 kernel = new Kernel2D_S32(3, new int[] { 1, 1, 1, 2, 2, 2, 1, 1, 1 });
    GrayU8 input = new GrayU8(width, height);
    GrayS32 expected = new GrayS32(width, height);
    GImageMiscOps.fillUniform(input, rand, 0, 10);
    ImageBorder_S32 border = FactoryImageBorderAlgs.value(input, 0);
    ConvolveImage.convolve(kernel, input, expected, border);
    Class[] paramType = m.getParameterTypes();
    Class inputType = paramType[0];
    Class outputType = paramType[2];
    ImageGray inputII = GeneralizedImageOps.createSingleBand(inputType, width, height);
    ImageGray integral = GeneralizedImageOps.createSingleBand(outputType, width, height);
    ImageGray expectedII = GeneralizedImageOps.createSingleBand(outputType, width, height);
    ImageGray found = GeneralizedImageOps.createSingleBand(outputType, width, height);
    GConvertImage.convert(input, inputII);
    GConvertImage.convert(expected, expectedII);
    GIntegralImageOps.transform(inputII, integral);
    IntegralKernel kernelII = new IntegralKernel(2);
    kernelII.blocks[0] = new ImageRectangle(-2, -2, 1, 1);
    kernelII.blocks[1] = new ImageRectangle(-2, -1, 1, 0);
    kernelII.scales = new int[] { 1, 1 };
    m.invoke(null, integral, kernelII, found);
    BoofTesting.assertEqualsRelative(expected, found, 1e-4f);
}

Example 22 with GrayS32

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

the class TestImplIntegralImageOps method convolveBorder.

public void convolveBorder(Method m) throws InvocationTargetException, IllegalAccessException {
    Kernel2D_S32 kernel = new Kernel2D_S32(3, new int[] { 1, 1, 1, 2, 2, 2, 1, 1, 1 });
    GrayU8 input = new GrayU8(width, height);
    GrayS32 expected = new GrayS32(width, height);
    GImageMiscOps.fillUniform(input, rand, 0, 10);
    ImageBorder_S32 border = FactoryImageBorderAlgs.value(input, 0);
    ConvolveImage.convolve(kernel, input, expected, border);
    Class[] paramType = m.getParameterTypes();
    Class inputType = paramType[0];
    Class outputType = paramType[2];
    ImageGray inputII = GeneralizedImageOps.createSingleBand(inputType, width, height);
    ImageGray integral = GeneralizedImageOps.createSingleBand(outputType, width, height);
    ImageGray expectedII = GeneralizedImageOps.createSingleBand(outputType, width, height);
    ImageGray found = GeneralizedImageOps.createSingleBand(outputType, width, height);
    GConvertImage.convert(input, inputII);
    GConvertImage.convert(expected, expectedII);
    GIntegralImageOps.transform(inputII, integral);
    IntegralKernel kernelII = new IntegralKernel(2);
    kernelII.blocks[0] = new ImageRectangle(-2, -2, 1, 1);
    kernelII.blocks[1] = new ImageRectangle(-2, -1, 1, 0);
    kernelII.scales = new int[] { 1, 1 };
    m.invoke(null, integral, kernelII, found, 4, 5);
    BoofTesting.assertEqualsBorder(expected, found, 1e-4f, 4, 5);
}

Example 23 with GrayS32

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

the class TestImplWaveletTransformNaive method testEncodeDecode_I32.

private void testEncodeDecode_I32(int widthOrig, int heightOrig, int widthOut, int heightOut) {
    GrayU8 orig = new GrayU8(widthOrig, heightOrig);
    ImageMiscOps.fillUniform(orig, rand, 0, 10);
    GrayS32 transformed = new GrayS32(widthOut, heightOut);
    GrayU8 reconstructed = new GrayU8(widthOrig, heightOrig);
    BoofTesting.checkSubImage(this, "checkTransforms_I", true, orig, transformed, reconstructed);
}

Example 24 with GrayS32

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

the class TestImplIntegralImageFeatureIntensity method inner_S32.

/**
 * Compares the inner() function against the output from the naive function.
 */
@Test
public void inner_S32() {
    GrayS32 original = new GrayS32(width, height);
    GrayS32 integral = new GrayS32(width, height);
    GrayF32 found = new GrayF32(width, height);
    GrayF32 expected = new GrayF32(width, height);
    GImageMiscOps.fillUniform(original, rand, 0, 50);
    IntegralImageOps.transform(original, integral);
    int size = 9;
    int r = size / 2 + 1;
    r++;
    for (int skip = 1; skip <= 4; skip++) {
        found.reshape(width / skip, height / skip);
        expected.reshape(width / skip, height / skip);
        ImplIntegralImageFeatureIntensity.hessianNaive(integral, skip, size, expected);
        ImplIntegralImageFeatureIntensity.hessianInner(integral, skip, size, found);
        int w = found.width;
        int h = found.height;
        GrayF32 f = found.subimage(r + 1, r + 1, w - r, h - r, null);
        GrayF32 e = expected.subimage(r + 1, r + 1, w - r, h - r, null);
        BoofTesting.assertEquals(e, f, 1e-4f);
    }
}

Example 25 with GrayS32

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

the class TestIntegralImageFeatureIntensity method hessian_S32.

/**
 * Compares hessian intensity against a naive implementation
 */
@Test
public void hessian_S32() {
    GrayS32 original = new GrayS32(width, height);
    GrayS32 integral = new GrayS32(width, height);
    GrayF32 found = new GrayF32(width, height);
    GrayF32 expected = new GrayF32(width, height);
    GImageMiscOps.fillUniform(original, rand, 0, 50);
    IntegralImageOps.transform(original, integral);
    int size = 9;
    for (int skip = 1; skip <= 4; skip++) {
        found.reshape(width / skip, height / skip);
        expected.reshape(width / skip, height / skip);
        ImplIntegralImageFeatureIntensity.hessianNaive(integral, skip, size, expected);
        IntegralImageFeatureIntensity.hessian(integral, skip, size, found);
        BoofTesting.assertEquals(expected, found, 1e-4f);
    }
}