Exemple #1
0
 // [Fact]
 public void testing2_decode_function()
 {
     Assert.Equal("hey", HammingCode.decode("100111111000111001000010000111111000000111001111000111110110111000010111"));
     Assert.Equal("The Sensei told me that i can do this kata", HammingCode.decode("000111000111000111000100000111111000111000001000000111111000000111000111000100111000000000000000000111000111000000111111000111111000000111000111000111111000111111111000000111111111000000111111000110111000010111000111000111111000111001000111000000111000000000000000000111111111000111000000000111111000111111111111000111111000111111000000000111111000000111000001000000111000000000001000000111111000111111000111000111111000000111000111000000111000000000000000000111111111000111000000000111111000111000000000000111111000000010000111000111111111000111000000000100111000000000000000000111111000111000000111000000111000000000000000000111111000000000111111000111111000000000000111000111111000111111111000000000111000000000000010000111111000000111000000000111111000111111110111000000111000000000000000000111111111000111000000000111111000111000000000000111111000111000000111000111111111000000111111000000111000000000000000000111111000111000111111000111111000000000000111000111111111000111000000000111111000000000000111"));
     Assert.Equal("T3st", HammingCode.decode("000111000111000111000001000000111111000000111111000111111111000000111011000111111111000111000000"));
     Assert.Equal("T?st!%", HammingCode.decode("000111000111000111000010000000111111111111011111000111111111000000111111000111101111000111000000000000111000000000000111000000111000000111000111"));
 }
Exemple #2
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        public Dictionary <KeyValuePair <int, int>, double> Compare(List <Color[, ]> imagesForComparison)
        {
            var reversibleKeys = new Dictionary <KeyValuePair <int, int>, bool>();
            var result         =
                new Dictionary <KeyValuePair <int, int>, double>();
            var hashes = imagesForComparison.Select(CalculatePreceptiveHash).ToList();

            for (var i = 0; i < hashes.Count; i++)
            {
                for (var j = 0; j < hashes.Count; j++)
                {
                    if (i == j)
                    {
                        continue;
                    }
                    var verifyingKey = new KeyValuePair <int, int>(i, j);
                    if (reversibleKeys.ContainsKey(verifyingKey))
                    {
                        continue;
                    }
                    var numberDifferentBits = HammingCode.Calc(hashes[i], hashes[j]);
                    result.Add(new KeyValuePair <int, int>(i, j), System.Math.Round(1 - numberDifferentBits / 64.0, 4));
                    var reverseKey = new KeyValuePair <int, int>(j, i);
                    reversibleKeys[reverseKey] = true;
                }
            }
            return(result);
        }
Exemple #3
0
        public double Compare(Color[,] imageFirst, Color[,] imageSecond)
        {
            var hashImageFirst      = CalculatePreceptiveHash(imageFirst);
            var hashImageSecond     = CalculatePreceptiveHash(imageSecond);
            var numberDifferentBits = HammingCode.Calc(hashImageFirst, hashImageSecond);

            return(System.Math.Round(1 - numberDifferentBits / 64.0, 4));
        }
Exemple #4
0
        private void btn2_Click(object sender, EventArgs e)
        {
            HammingCode hamming = new HammingCode();

            if (checkParidad.Checked == true)
            {
                hamming.SetParity(1);
            }
            else
            {
                hamming.SetParity(0);
            }


            Console.WriteLine("-------------------------------------");
            string code = "";

            for (int con = 1; con < 18; con++)
            {
                code = code + ((DataRowView)dtGV1.Rows[0].DataBoundItem).DataView.Table.Rows[6][con].ToString();
            }

            int[,] result = hamming.ErrorDetection(code);
            int[] error          = hamming.errorArray;
            int[] originalParity = hamming.originalParity;
            int[] actualParity   = hamming.currentParity;
            int   errorBit       = hamming.errorBit;

            for (int row = 0; row < 7; row++)
            {
                for (int col = 0; col < 17; col++)
                {
                    int data = result[row, col];
                    if (data == 5)
                    {
                        continue;
                    }
                    else
                    {
                        ((DataRowView)dtGV2.Rows[0].DataBoundItem).DataView.Table.Rows[row][col + 1] = data;
                    }
                }
            }

            for (int i = 0; i < 5; i++)
            {
                ((DataRowView)dtGV2.Rows[0].DataBoundItem).DataView.Table.Rows[i + 1][18] = error[i];
            }

            lbError1.Text = "Error array :: " + string.Join("", error);
            lbError2.Text = "Paridad Original :: " + string.Join("", originalParity);
            lbError3.Text = "Paridad Calculada :: " + string.Join("", actualParity);
            lbError4.Text = "Bit del Error :: " + errorBit;
            Console.WriteLine("Error array :: " + string.Join("", error));
            Console.WriteLine("Paridad Original :: " + string.Join("", originalParity));
            Console.WriteLine("Paridad Calculada :: " + string.Join("", actualParity));
            Console.WriteLine("Bit del Error :: " + errorBit);
        }
        private double CalculateTheMeasureCoincidence(IReadOnlyList <ulong> firstImageHashes, IReadOnlyList <ulong> secondImageHashes)
        {
            var summaMeasures = 0.0;

            for (var i = 0; i < firstImageHashes.Count; i++)
            {
                summaMeasures += HammingCode.Calc(firstImageHashes[i], secondImageHashes[i]);
            }
            return(System.Math.Round(1 - summaMeasures / (firstImageHashes.Count * 64.0), 4));
        }
Exemple #6
0
        private void btn1_Click(object sender, EventArgs e)
        {
            textBox1.Text = textBox1.Text.ToUpper();
            string numero = textBox1.Text;
            int    con    = 0;



            if (numero.Length == 12)
            {
                while (con != numero.Length)
                {
                    if (numero.Substring(con, 1) == "1" || numero.Substring(con, 1) == "0")
                    {
                        con++;
                    }
                    else
                    {
                        break;
                    }
                }

                if (numero.Length == con)
                {
                    HammingCode hamming = new HammingCode();
                    if (checkParidad.Checked == true)
                    {
                        hamming.SetParity(1);
                    }
                    else
                    {
                        hamming.SetParity(0);
                    }
                    int[,] result = hamming.DataEncoding(numero);

                    for (int row = 0; row < 7; row++)
                    {
                        for (int col = 0; col < 17; col++)
                        {
                            int data = result[row, col];
                            if (data == 5)
                            {
                                continue;
                            }
                            else
                            {
                                ((DataRowView)dtGV1.Rows[0].DataBoundItem).DataView.Table.Rows[row][col + 1] = data;
                            }
                        }
                    }

                    btn2.Enabled = true;
                }
                else
                {
                    Program.alert = new Alert();
                    Program.alert.Show();
                }
            }
            else
            {
                Program.alert = new Alert();
                Program.alert.Show();
            }
        }
Exemple #7
0
 // [Fact]
 public void testing1_encode_function()
 {
     Assert.Equal("000111111000111000000000000111111000000111000111000111111111111000000111", HammingCode.encode("hey"));
     Assert.Equal("000111000111000111000000000111111000111000000000000111111000000111000111000000111000000000000000000111000111000000111111000111111000000111000111000111111000111111111000000111111111000000111111000111111000000111000111000111111000111000000111000000111000000000000000000111111111000111000000000111111000111111111111000111111000111111000000000111111000000111000000000000111000000000000000000111111000111111000111000111111000000111000111000000111000000000000000000111111111000111000000000111111000111000000000000111111000000000000111000111111111000111000000000000111000000000000000000111111000111000000111000000111000000000000000000111111000000000111111000111111000000000000111000111111000111111111000000000111000000000000000000111111000000111000000000111111000111111111111000000111000000000000000000111111111000111000000000111111000111000000000000111111000111000000111000111111111000000111111000000111000000000000000000111111000111000111111000111111000000000000111000111111111000111000000000111111000000000000111", HammingCode.encode("The Sensei told me that i can do this kata"));
     Assert.Equal("000111000111000111000000000000111111000000111111000111111111000000111111000111111111000111000000", HammingCode.encode("T3st"));
     Assert.Equal("000111000111000111000000000000111111111111111111000111111111000000111111000111111111000111000000000000111000000000000111000000111000000111000111", HammingCode.encode("T?st!%"));
 }