Exponential filter.
Simple exp image filter. Applies the System.Math.Exp function for each pixel in the image, clipping values as needed. The resultant image can be converted back using the Logarithm filter.
Inheritance: BaseInPlaceFilter
Example #1
0
        public void ApplyTest()
        {
            Bitmap input = Properties.Resources.lena_color;

            Logarithm log = new Logarithm();
            Bitmap output = log.Apply(input);

            Exponential exp = new Exponential();
            Bitmap reconstruction = exp.Apply(output);

            //ImageBox.Show("input", input);
            //ImageBox.Show("output", output);
            //ImageBox.Show("reconstruction", reconstruction);
        }
Example #2
0
        public void ProcessImageTest()
        {
            double[,] diag = Matrix.Magic(5);

            Bitmap input;
            new MatrixToImage(0, 100).Convert(diag, out input);

            Logarithm log = new Logarithm();
            Bitmap output = log.Apply(input);

            Exponential exp = new Exponential();
            Bitmap reconstruction = exp.Apply(output);


            double[,] actual;
            new ImageToMatrix(0, 100).Convert(reconstruction, out actual);
            
            double[,] expected = diag;

            Assert.IsTrue(expected.IsEqual(actual, 1.5));
        }