Accord.Tests.Imaging.WaveletTransformTest.WaveletTransformConstructorTest C# (CSharp) Method

        public void WaveletTransformConstructorTest()
        {
            // Start with a grayscale image
            Bitmap src = Accord.Imaging.Image.Clone(Properties.Resources.lena512);

            // Create a wavelet filter            
            IWavelet wavelet = new Accord.Math.Wavelets.Haar(2);
            WaveletTransform target = new WaveletTransform(wavelet);

            // Apply the transformation
            Bitmap dst = target.Apply(src);

            // Revert the transformation
            target.Backward = true;
            Bitmap org = target.Apply(dst);

#pragma warning disable 0618
            double[,] actual = org.ToDoubleMatrix(0);
            double[,] expected = src.ToDoubleMatrix(0);
#pragma warning restore 0618

            Assert.IsTrue(actual.IsEqual(expected, atol: 0.102));
        }
    }