LAMPIRAN A. LISTING PROGRAM

Transcription

1 78 LAMPIRAN A. LISTING PROGRAM Form Login.vb Imports MySql Imports MySql.Data Imports MySql.Data.MySqlClient Public Class FormLogIn Private Sub BtnLoginClick(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles BtnLogin.Click If UsernameTxt.Text = String.Empty Then MsgBox("Username tidak boleh kosong..") UsernameTxt.Focus() Exit Sub Dim dr As MySqlDataReader dr = fetchdata("select COUNT(*) FROM user WHERE username='" & UsernameTxt.Text & "' AND password=md5('" & PassTxt.Text & "');") If dr.getvalue(0) > 0 Then FormUtama.StatusLbl.Text = UsernameTxt.Text buttoncond(true) Me.Close() MsgBox("Username tidak cocok dengan password") Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click Me.Close() End Class Form Image Processing.vb Module ImageProcessing Dim xmask(,) As Single = New Single(,) {{-1, 0, 1}, _ {-2, 0, 2}, _ {-1, 0, 1}} Dim ymask(,) As Single = New Single(,) {{1, 2, 1}, _ {0, 0, 0}, _ {-1, -2, -1}} Public Function mini(byval a As Integer, ByVal b As Integer) As Integer Return IIf(a > b, b, a) End Function Public Function maks(byval a As Integer, ByVal b As Integer) As Integer Return IIf(a > b, a, b) End Function Public Function SobelDetect(ByVal inimg As Bitmap) As Bitmap Dim out As New Bitmap(inImg.Width, inimg.height, Imaging.PixelFormat.Format32bppArgb) For y As Integer = 0 To inimg.height - 1 For x As Integer = 0 To inimg.width - 1 Dim gradx As Single = 0 Dim grady As Single = 0 Dim grad As Single = 0 If x = 0 Or y = 0 Or x = inimg.width - 1 Or y = inimg.height - 1 Then grad = 0 For i As Integer = -1 To 1 For j As Integer = -1 To 1 Dim p As Color = inimg.getpixel(x + i, y + j)

2 79 Dim intensity As Single = 0.333F * (CInt(p.R) + p.g + p.b) gradx += intensity * xmask(i + 1, j + 1) grady += intensity * ymask(i + 1, j + 1) Menghitung gradient deteksi tepi grad = (Math.Abs(gradX) + Math.Abs(gradY)) grad = Math.Max(0, grad) grad = Math.Min(255, grad) out.setpixel(x, y, Color.FromArgb(CInt(grad), CInt(grad), CInt(grad))) Return out End Function Membuat Rumus Binerisasi Public Function Binerisasi(ByVal inimg As Bitmap) As Bitmap Dim x, y, y2, x2 As Integer Dim gray As Integer Dim out As New Bitmap(inImg.Width, inimg.height, Imaging.PixelFormat.Format32bppArgb) Dim localthreshold As Integer For y = 0 To inimg.height - 1 Step For x = 0 To inimg.width - 1 Step 16 localthreshold = 0 With inimg.getpixel(x2, y2) gray = 0.3 *.R *.G *.B End With gray = 0.3 *.R *.G *.B End With If gray <= localthreshold Then out.setpixel(x2, y2, Color.FromArgb(255, 0, 0, 0)) out.setpixel(x2, y2, Color.FromArgb(255, 255, 255, 255)) Return out End Function Matriks Tampilan buat Ekstraksi Fitur Private Sub updatemat(byref m1 As Integer(,), ByRef m2 As Integer(,), ByVal h As Long, ByVal w As Long) For y = 0 To h - 1 For x = 0 To w - 1 m1(y, x) = m2(y, x) Ekstraksi Fitur Public Function Haar(ByVal inimg As Bitmap) Dim out As New Bitmap(inImg.Width, inimg.height, Imaging.PixelFormat.Format24bppRgb) Dim mins, maxs As Integer Dim threshold As Integer threshold = 0 mins = 255 maxs = 0 Dim gambar As Bitmap = inimg Dim matriks = New Integer(inImg.Height + 2, inimg.width + 2) {} Dim res = New Integer(inImg.Height + 2, inimg.width + 2) {} Dim s As Integer For y = 0 To inimg.height - 1 For x = 0 To inimg.width - 1

3 80 With gambar.getpixel(x, y) s = (CInt(.R) +.G +.B) * 0.3 matriks(y, x) = s End With Menentukan level wavelet yang diinginkan Dim lv As Integer lv = 4 Perhitungan wavelet For h = 0 To lv For y = 0 To inimg.height / Math.Pow(2, h) - 1 Dim half As Long half = inimg.width / Math.Pow(2, h) If half Mod 2 <> 0 Then half += 1 For x = 0 To half Step 2 res(y, x / 2) = (matriks(y, x) + matriks(y, x + 1)) / 2 Dim c As Integer For x = half To 2 * half Step 2 res(y, x / 2) = (res(y, c) - matriks(y, c * 2)) updatemat(matriks, res, inimg.height, inimg.width) For x = 0 To inimg.width / Math.Pow(2, h) - 1 Dim half As Long half = inimg.height / Math.Pow(2, h) If half Mod 2 <> 0 Then half -= 1 For y = 0 To half Step 2 res(y / 2, x) = (matriks(y, x) + matriks(y + 1, x)) / 2 Dim c As Integer c = 0 updatemat(matriks, res, inimg.height, inimg.width) For y = 0 To inimg.height - 1 For x = 0 To inimg.width - 1 Dim tmp As Integer tmp = res(y, x) out.setpixel(x, y, Color.FromArgb(255, tmp, tmp, tmp)) Dim k As Single Dim m As Integer Dim n As Integer m = 0 n = 0 For y = 0 To inimg.height / Math.Pow(2, lv) - 1 For x = 0 To inimg.width / Math.Pow(2, lv) - 1 If res(y, x) > 0 Then m += res(y, x) n += -res(y, x) k = maks(math.abs(m), Math.Abs(n)) FormSidik.HasilTxt.Clear() THasil = "" For y = 0 To inimg.height / Math.Pow(2, lv) - 1 For x = 0 To inimg.width / Math.Pow(2, lv) - 1

4 81 Dim tmp As Single tmp = Math.Round(res(y, x) / k, 6) FormSidik.HasilTxt.Text &= tmp & " " THasil &= tmp & " " 'Return out FormSidikUji.HasilTxt.Clear() THasil2 = "" For y = 0 To inimg.height / Math.Pow(2, lv) - 1 For x = 0 To inimg.width / Math.Pow(2, lv) - 1 Dim tmp As Single tmp = Math.Round(res(y, x) / k, 6) FormSidikUji.HasilTxt.Text &= tmp & " " THasil2 &= tmp & " " Return out End Function End Module Form Pengguna.vb Imports MySql Imports MySql.Data Imports MySql.Data.MySqlClient Public Class FormPengguna Public Sub buttonstate1() SimpanBtn.Enabled = True UbahBtn.Enabled = False BatalBtn.Enabled = False HapusBtn.Enabled = False Public Sub buttonstate2() SimpanBtn.Enabled = False UbahBtn.Enabled = True BatalBtn.Enabled = True HapusBtn.Enabled = True Public Sub newid() Dim ds As New DataSet Dim dr As MySqlDataReader dr = fetchdata("select COUNT(*) FROM user;") Dim n As Integer Dim temp As Boolean = False n = dr.item(0) While temp = False Dim kd As String kd = "U" & n.tostring dr = fetchdata("select COUNT(*) FROM user WHERE id='" & kd & "'") If (dr.item(0) > 0) Then temp = True End While KdPenggunaTxt.Text = "U" & n.tostring Public Sub filldg(byval q As String) Dim dt As DataTable

5 82 dt = FetchDataTable(q) If dt.rows.count = 0 Then MsgBox("Data pengguna tidak ditemukan") DataGridView1.DataSource = dt Private Sub FormPengguna_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load newid() buttonstate1() filldg("select * FROM user") Private Sub BatalBtn_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles BatalBtn.Click newid() UsernameTxt.Clear() PassTxt.Clear() ConfPassTxt.Clear() buttonstate1() DataGridView1.ClearSelection() UsernameTxt.Focus() Private Sub SimpanBtn_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles SimpanBtn.Click If UsernameTxt.Text = "" Then MsgBox("Isikan nama pengguna") UsernameTxt.Focus() If ConfPassTxt.Text <> PassTxt.Text Then MsgBox("Password tidak sesuai") ConfPassTxt.Focus() Dim dr As MySqlDataReader dr = fetchdata("select COUNT(*) FROM user WHERE username='" & UsernameTxt.Text & "'") If (dr.item(0) > 0) Then MsgBox("Nama pengguna sudah terdaftar") Exit Sub RunQuery("INSERT INTO user(id, username, password) VALUES ('" & KdPenggunaTxt.Text & "','" & UsernameTxt.Text & "',MD5('" & PassTxt.Text & "'))") newid() UsernameTxt.Clear() PassTxt.Clear() ConfPassTxt.Clear() UsernameTxt.Focus() Private Sub UbahBtn_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles UbahBtn.Click If UsernameTxt.Text = "" Then MsgBox("Nama pengguna tidak boleh kosong") RunQuery("UPDATE user SET username='" & UsernameTxt.Text & "', password=md5('" & PassTxt.Text & "') WHERE id='" & KdPenggunaTxt.Text & "'") filldg("select * FROM user") newid() UsernameTxt.Clear() PassTxt.Clear() ConfPassTxt.Clear() buttonstate1() UsernameTxt.Focus() Private Sub HapusBtn_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles HapusBtn.Click If MsgBox("Apakah anda benar - benar yakin ingin menghapus user ini?", MsgBoxStyle.YesNo) = vbyes Then RunQuery("DELETE FROM user WHERE id='" & KdPenggunaTxt.Text & "'")

6 83 filldg("select * FROM user") newid() UsernameTxt.Clear() PassTxt.Clear() ConfPassTxt.Clear() buttonstate1() UsernameTxt.Focus() Private Sub DataGridView1_CellDoubleClick(ByVal sender As Object, ByVal e As System.Windows.Forms.DataGridViewCellEventArgs) Handles DataGridView1.CellDoubleClick buttonstate2() KdPenggunaTxt.Text = DataGridView1.SelectedRows(0).Cells(0).Value UsernameTxt.Text = DataGridView1.SelectedRows(0).Cells(1).Value PassTxt.Focus() End Class Form Sidik Jari.vb Imports MySql Imports MySql.Data Imports MySql.Data.MySqlClient Public Class FormSidik Private Sub resetstate() btn_start() ClearBtn.PerformClick() OpenFileDialog1.FileName = "" NamaPemilikTxt.Clear() AlamatTxt.Clear() JenisKelaminCombo.SelectedIndex = -1 filldg("select * FROM identitas") TxtOutput.Clear() BrowseBtn.Focus() Public Sub newid() Dim ds As New DataSet Dim dr As MySqlDataReader dr = fetchdata("select COUNT(*) FROM identitas;") Dim n As Integer Dim temp As Boolean = False n = dr.item(0) + 1 While temp = False Dim kd As String kd = "ID" & n.tostring dr = fetchdata("select COUNT(*) FROM identitas WHERE id='" & kd & "'") If (dr.item(0) > 0) Then n = n + 1 temp = True End While Public Sub filldg(byval q As String) Dim dt As DataTable dt = FetchDataTable(q) If dt.rows.count = 0 Then MsgBox("Data Sidik jari tidak ditemukan") DataGridView1.DataSource = dt

7 84 Private Sub txt_clear() IDTxt.Clear() NamaFileTxt.Clear() NamaPemilikTxt.Clear() JenisKelaminCombo.SelectedIndex = -1 AlamatTxt.Clear() HasilTxt.Clear() TxtOutput.Clear() Private Sub btn_start() BrowseBtn.Enabled = True ClearBtn.Enabled = True ProsesBtn.Enabled = False SimpanBtn.Enabled = False UbahBtn.Enabled = False BatalBtn.Enabled = False HapusBtn.Enabled = False Public Sub buttonstate1() ClearBtn.Enabled = True BrowseBtn.Enabled = False ProsesBtn.Enabled = False SimpanBtn.Enabled = True UbahBtn.Enabled = False BatalBtn.Enabled = False HapusBtn.Enabled = False Public Sub buttonstate2() ClearBtn.Enabled = False BrowseBtn.Enabled = False ProsesBtn.Enabled = False SimpanBtn.Enabled = False UbahBtn.Enabled = True BatalBtn.Enabled = True HapusBtn.Enabled = True Private Sub BrowseBtn_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles BrowseBtn.Click With OpenFileDialog1.CheckFileExists = True.CheckPathExists = True.ShowHelp = False.Filter = "Gambar Bitmap (*.bmp) *.bmp Gambar Jpeg (*.jpg) *.jpg Gambar Gift (*.gif) *.gif".showdialog() End With Private Sub OpenFileDialog1_FileOk(ByVal sender As System.Object, ByVal e As System.ComponentModel.CancelEventArgs) Handles OpenFileDialog1.FileOk OriginalPic.ImageLocation = OpenFileDialog1.FileName FileNameLbl.Text = OpenFileDialog1.FileName ProsesBtn.Enabled = True Private Sub ProsesBtn_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles ProsesBtn.Click SobelPic.Image = SobelDetect(OriginalPic.Image) BinaryPic.Image = Binerisasi(SobelPic.Image) HaarPic.Image = Haar(BinaryPic.Image) BrowseBtn.Enabled = False SimpanBtn.Enabled = True Private Sub ClearBtn_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles ClearBtn.Click btn_start() txt_clear() OriginalPic.Image = Nothing FileNameLbl.Text = "- No File Selected -"

8 85 SobelPic.Image = Nothing BinaryPic.Image = Nothing HaarPic.Image = Nothing Private Sub SimpanBtn_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles SimpanBtn.Click If Not CekOutput() Then MsgBox("Target Output dari sidik jari tidak valid, silahkan periksa kembali") TxtOutput.Focus() Exit Sub If NamaPemilikTxt.Text = "" Then MsgBox("Isi nama pemilik sidik jari") NamaPemilikTxt.Focus() If AlamatTxt.Text = "" Then MsgBox("Isi alamat dari pemilik sidik jari") AlamatTxt.Focus() If JenisKelaminCombo.Text = "" Then MsgBox("Pilih jenis kelamin dari pemilik sidik jari") JenisKelaminCombo.Focus() Dim Dr As MySql.Data.MySqlClient.MySqlDataReader Dim tid As String = "" Dr = fetchdata("select id from identitas where nilai_fitur='" & HasilTxt.Text & "'") If Dr.HasRows Then MsgBox("Nilai fitur telah terdaftar sebelumnya, pastikan anda tidak memasukkan gambar yang sama berulang kali!") Dr.Close() Exit Sub Dr.Close() Dr = fetchdata("select id from identitas order by id desc limit 0,1") If Dr.HasRows Then Dr.Read() tid = Dr(0) + 1 Dr.Close() NamaFileTxt.Text = tid & "SidikJari.bmp" RunQuery("INSERT INTO identitas(nama,alamat,jenis_kelamin,nilai_fitur,nama_file,target) VALUES ('" & NamaPemilikTxt.Text & "','" & AlamatTxt.Text & "','" & JenisKelaminCombo.Text & "','" & HasilTxt.Text & "','" & NamaFileTxt.Text & "','" & TxtOutput.Text & "')") My.Computer.FileSystem.CopyFile(OpenFileDialog1.FileName, "images/" & NamaFileTxt.Text) resetstate() Private Function CekOutput() As Boolean CekOutput = False Dim cek As String If TxtOutput.Text = String.Empty Then Return False For i = 1 To Len(TxtOutput.Text) cek = Mid(TxtOutput.Text, i, 1) If (cek <> "0") And (cek <> "1") Then Return False Return True End Function Private Sub FormSidik_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load btn_start() 'newid() filldg("select * FROM identitas") Private Sub DataGridView1_CellDoubleClick(ByVal sender As Object, ByVal e As System.Windows.Forms.DataGridViewCellEventArgs) Handles DataGridView1.CellDoubleClick

9 86 buttonstate2() IDTxt.Text = DataGridView1.SelectedRows(0).Cells(0).Value NamaPemilikTxt.Text = DataGridView1.SelectedRows(0).Cells(1).Value AlamatTxt.Text = DataGridView1.SelectedRows(0).Cells(2).Value JenisKelaminCombo.SelectedItem = DataGridView1.SelectedRows(0).Cells(3).Value HasilTxt.Text = DataGridView1.SelectedRows(0).Cells(4).Value NamaFileTxt.Text = DataGridView1.SelectedRows(0).Cells(5).Value FileNameLbl.Text = NamaFileTxt.text OriginalPic.ImageLocation = "images/" & NamaFileTxt.Text TxtOutput.Text = DataGridView1.SelectedRows(0).Cells(6).Value NamaFileTxt.Focus() Private Sub BatalBtn_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles BatalBtn.Click resetstate() Private Sub HapusBtn_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles HapusBtn.Click If MsgBox("Apakah anda benar - benar yakin ingin menghapus data identitas ini?", MsgBoxStyle.YesNo) = vbyes Then My.Computer.FileSystem.DeleteFile("images/" & NamaFileTxt.Text) RunQuery("DELETE FROM identitas WHERE id='" & IDTxt.Text & "'") filldg("select * FROM identitas") resetstate() Private Sub UbahBtn_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles UbahBtn.Click If NamaPemilikTxt.Text = "" Then MsgBox("Isi nama pemilik sidik jari") NamaPemilikTxt.Focus() If AlamatTxt.Text = "" Then MsgBox("Isi alamat dari pemilik sidik jari") AlamatTxt.Focus() If JenisKelaminCombo.Text = "" Then MsgBox("Pilih jenis kelamin dari pemilik sidik jari") JenisKelaminCombo.Focus() RunQuery("UPDATE identitas SET nama='" & NamaPemilikTxt.Text & "', alamat='" & AlamatTxt.Text & "', jenis_kelamin='" & JenisKelaminCombo.Text & "', target='" & TxtOutput.Text & "' WHERE id='" & IDTxt.Text & "'") resetstate() End Class Form Sidik Uji.vb Imports MySql Imports MySql.Data Imports MySql.Data.MySqlClient Public Class FormSidikUji Private Sub resetstate() btn_start() ClearBtn.PerformClick() OpenFileDialog1.FileName = "" NamaPemilikTxt.Clear() AlamatTxt.Clear() JenisKelaminCombo.SelectedIndex = -1 filldg("select * FROM identitas_uji") TxtOutput.Clear() BrowseBtn.Focus() Public Sub newid() Dim ds As New DataSet Dim dr As MySqlDataReader dr = fetchdata("select COUNT(*) FROM identitas_uji;")

10 87 Dim n As Integer Dim temp As Boolean = False n = dr.item(0) + 1 While temp = False Dim kd As String kd = "ID" & n.tostring dr = fetchdata("select COUNT(*) FROM identitas_uji WHERE id='" & kd & "'") If (dr.item(0) > 0) Then n = n + 1 temp = True End While IDTxt.Text = "SJ" & n.tostring NamaFileTxt.Text = IDTxt.Text & "SidikJari.bmp" Public Sub filldg(byval q As String) Dim dt As DataTable dt = FetchDataTable(q) If dt.rows.count = 0 Then MsgBox("Data Sidik jari tidak ditemukan") DataGridView1.DataSource = dt Private Sub txt_clear() IDTxt.Clear() NamaFileTxt.Clear() NamaPemilikTxt.Clear() JenisKelaminCombo.SelectedIndex = -1 AlamatTxt.Clear() HasilTxt.Clear() TxtOutput.Clear() Private Sub btn_start() BrowseBtn.Enabled = True ClearBtn.Enabled = True ProsesBtn.Enabled = False SimpanBtn.Enabled = False UbahBtn.Enabled = False BatalBtn.Enabled = False HapusBtn.Enabled = False Public Sub buttonstate1() ClearBtn.Enabled = True BrowseBtn.Enabled = False ProsesBtn.Enabled = False SimpanBtn.Enabled = True UbahBtn.Enabled = False BatalBtn.Enabled = False HapusBtn.Enabled = False Public Sub buttonstate2() ClearBtn.Enabled = False BrowseBtn.Enabled = False ProsesBtn.Enabled = False SimpanBtn.Enabled = False UbahBtn.Enabled = True BatalBtn.Enabled = True HapusBtn.Enabled = True Private Sub BrowseBtn_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles BrowseBtn.Click

11 88 With OpenFileDialog1.CheckFileExists = True.CheckPathExists = True.ShowHelp = False.Filter = "Gambar Bitmap (*.bmp) *.bmp Gambar Jpeg (*.jpg) *.jpg Gambar Gift (*.gif) *.gif".showdialog() End With Private Sub OpenFileDialog1_FileOk(ByVal sender As System.Object, ByVal e As System.ComponentModel.CancelEventArgs) Handles OpenFileDialog1.FileOk OriginalPic.ImageLocation = OpenFileDialog1.FileName FileNameLbl.Text = OpenFileDialog1.FileName ProsesBtn.Enabled = True Private Sub ProsesBtn_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles ProsesBtn.Click SobelPic.Image = SobelDetect(OriginalPic.Image) BinaryPic.Image = Binerisasi(SobelPic.Image) HaarPic.Image = Haar(BinaryPic.Image) HasilTxt.Text = THasil2 BrowseBtn.Enabled = False SimpanBtn.Enabled = True Private Sub ClearBtn_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles ClearBtn.Click btn_start() txt_clear() OriginalPic.Image = Nothing FileNameLbl.Text = "- No File Selected -" SobelPic.Image = Nothing BinaryPic.Image = Nothing HaarPic.Image = Nothing newid() Private Sub SimpanBtn_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles SimpanBtn.Click If Not CekOutput() Then MsgBox("Target Output dari sidik jari tidak valid, silahkan periksa kembali") TxtOutput.Focus() Exit Sub If NamaPemilikTxt.Text = "" Then MsgBox("Isi nama pemilik sidik jari") NamaPemilikTxt.Focus() If AlamatTxt.Text = "" Then MsgBox("Isi alamat dari pemilik sidik jari") AlamatTxt.Focus() If JenisKelaminCombo.Text = "" Then MsgBox("Pilih jenis kelamin dari pemilik sidik jari") JenisKelaminCombo.Focus() Dim Dr As MySql.Data.MySqlClient.MySqlDataReader Dim tid As String = "" Dr = fetchdata("select id from identitas_uji where nilai_fitur='" & HasilTxt.Text & "'") If Dr.HasRows Then MsgBox("Nilai fitur telah terdaftar sebelumnya, pastikan anda tidak memasukkan gambar yang sama berulang kali!") Dr.Close() Exit Sub Dr.Close() Dr = fetchdata("select id from identitas_uji order by id desc limit 0,1") If Dr.HasRows Then Dr.Read() tid = Dr(0) + 1 Dr.Close()

12 89 RunQuery("INSERT INTO identitas_uji(nama,alamat,jenis_kelamin,nilai_fitur,nama_file,target) VALUES ('" & NamaPemilikTxt.Text & "','" & AlamatTxt.Text & "','" & JenisKelaminCombo.Text & "','" & HasilTxt.Text & "','" & NamaFileTxt.Text & "','" & TxtOutput.Text & "')") My.Computer.FileSystem.CopyFile(OpenFileDialog1.FileName, "image_uji/" & NamaFileTxt.Text) resetstate() Private Function CekOutput() As Boolean CekOutput = False Dim cek As String If TxtOutput.Text = String.Empty Then Return False For i = 1 To Len(TxtOutput.Text) cek = Mid(TxtOutput.Text, i) Return True End Function Form Memorisasi.vb Public Class FormMemorisasi Private Sub FormMemorisasi_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load Dim DT As New System.Data.DataTable DT = FetchDataTable("select * from memorisasi") DataGridView1.DataSource = DT Dim DR As MySql.Data.MySqlClient.MySqlDataReader Dim tcount As Long = 0 Dim tbenar As Long = 0 DR = fetchdata("select count(*) from memorisasi") If DR.HasRows Then DR.Read() tcount = DR(0) DR.Close() DR = fetchdata("select count(*) from memorisasi where hasil='benar'") If DR.HasRows Then DR.Read() tbenar = DR(0) DR.Close() If tcount > 0 Then tcount = (tbenar / tcount) * 100 tcount = 0 ToolStripLabel1.Text = "Persentase Memorisasi : " & tcount & " %" End Class Form Generalisasi.vb Public Class FormGeneralisasi Private Sub FormGeneralisasi_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load Dim DT As New System.Data.DataTable DT = FetchDataTable("select * from generalisasi") DataGridView1.DataSource = DT Dim DR As MySql.Data.MySqlClient.MySqlDataReader Dim tcount As Long = 0 Dim tbenar As Long = 0

13 90 DR = fetchdata("select count(*) from generalisasi") If DR.HasRows Then DR.Read() tcount = DR(0) DR.Close() DR = fetchdata("select count(*) from generalisasi where hasil='benar'") If DR.HasRows Then DR.Read() tbenar = DR(0) DR.Close() If tcount > 0 Then tcount = (tbenar / tcount) * 100 tcount = 0 ToolStripLabel1.Text = "Persentase Generalisasi : " & tcount & " %" End Class Form TCValidation.vb Public Class FormTCValidation Private Structure ArrGroup Dim ID As Integer Dim Nilai As String Dim Target As String Dim Pemilik As String End Structure Private Structure ArrError Dim Group As Integer Dim nerror As Double End Structure Private DataCount As Integer Private GCount As Integer Private ArrE1 As List(Of ArrError) Private ArrG1 As List(Of ArrGroup) Private ArrG2 As List(Of ArrGroup) Private ArrG3 As List(Of ArrGroup) Private ArrG4 As List(Of ArrGroup) Private ArrG5 As List(Of ArrGroup) Private ArrG6 As List(Of ArrGroup) Private ArrG7 As List(Of ArrGroup) Private ArrG8 As List(Of ArrGroup) Private ArrG9 As List(Of ArrGroup) Private ArrG10 As List(Of ArrGroup) Private ArrAll As List(Of ArrGroup) Private ArrGAll() As List(Of ArrGroup) Private ProgressCount As Integer Private Sub FormTCValidation_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load Clear() Label2.Text = ActiveTrain Private Sub Clear() Dim DR1 As MySql.Data.MySqlClient.MySqlDataReader DR1 = fetchdata("select count(id) from identitas") DataCount = 0 If DR1.HasRows Then DR1.Read() DataCount = DR1(0) DR1.Close()

14 91 If DataCount < 1 Then MsgBox("Data identitas kosong, proses ten fold cross validation tidak dapat dilakukan") Exit Sub ArrG1 = New List(Of ArrGroup) ArrG2 = New List(Of ArrGroup) ArrG3 = New List(Of ArrGroup) ArrG4 = New List(Of ArrGroup) ArrG5 = New List(Of ArrGroup) ArrG6 = New List(Of ArrGroup) ArrG7 = New List(Of ArrGroup) ArrG8 = New List(Of ArrGroup) ArrG9 = New List(Of ArrGroup) ArrG10 = New List(Of ArrGroup) ArrAll = New List(Of ArrGroup) Me.Cursor = Cursors.WaitCursor DR1 = fetchdata("select * from identitas") Dim ArrTamp As ArrGroup If DR1.HasRows Then Do While DR1.Read ArrTamp = New ArrGroup ArrTamp.ID = DR1("id") ArrTamp.Nilai = DR1("nilai_fitur") ArrTamp.Target = DR1("target") ArrTamp.Pemilik = DR1("nama") ArrAll.Add(ArrTamp) Loop DR1.Close() Me.Cursor = Cursors.Default LVError.Items.Clear() LVS.Items.Clear() Label3.Text = "" Label4.Text = "" Label5.Text = "" Label6.Text = "" Private Sub ButtonE(ByVal Stat As Boolean) Button1.Enabled = Stat Button2.Enabled = Stat Button3.Enabled = Stat Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click If DataCount < 1 Then MsgBox("Data identitas kosong, proses ten fold cross validation tidak dapat dilakukan") Exit Sub ButtonE(False) ulang: Dim RND As New Random Dim RND2 As New Random Dim i As Integer = 1 Dim j As Integer = 1 Do While i <= ArrAll.Count j = Int(RND2.(10)) Select Case j Case 1 If ArrG1.Count >= GCount Then GoTo ulang ArrG1.Add(ArrAll(i - 1)) Case 2 If ArrG2.Count >= GCount Then

15 92 GoTo ulang ArrG2.Add(ArrAll(i - 1)) Case 3 If ArrG3.Count >= GCount Then GoTo ulang ArrG3.Add(ArrAll(i - 1)) Case 4 If ArrG4.Count >= GCount Then GoTo ulang ArrG4.Add(ArrAll(i - 1)) Case 5 If ArrG5.Count >= GCount Then GoTo ulang ArrG5.Add(ArrAll(i - 1)) Case 6 If ArrG6.Count >= GCount Then GoTo ulang ArrG6.Add(ArrAll(i - 1)) Case 7 If ArrG7.Count >= GCount Then GoTo ulang ArrG7.Add(ArrAll(i - 1)) Case 8 If ArrG8.Count >= GCount Then GoTo ulang ArrG8.Add(ArrAll(i - 1)) Case 9 If ArrG9.Count >= GCount Then GoTo ulang ArrG9.Add(ArrAll(i - 1)) Case If ArrG10.Count >= GCount Then GoTo ulang ArrG10.Add(ArrAll(i - 1)) End Select i += 1 Loop j = 1 For i = 1 To 10 ShowListGroup(i, j) ButtonE(True) Private Sub ShowListGroup(ByVal tindeks As Integer, ByRef tno As Integer) Dim i As Integer Dim ArrT As New List(Of ArrGroup) Select Case tindeks Case 1 ArrT = ArrG1 Case 2 ArrT = ArrG2 Case 3 ArrT = ArrG3 Case 4 ArrT = ArrG4 Case 5 ArrT = ArrG5 Case 6 ArrT = ArrG6 Case 7 ArrT = ArrG7 Case 8

16 93 ArrT = ArrG8 Case 9 ArrT = ArrG9 Case 10 ArrT = ArrG10 End Select Dim LVI As ListViewItem For i = 0 To ArrT.Count - 1 LVI = LVS.Items.Add(tNo) LVI.SubItems.Add("S" & tindeks) LVI.SubItems.Add(ArrT(i).ID) LVI.SubItems.Add(ArrT(i).Nilai) LVI.SubItems.Add(ArrT(i).Target) LVI.SubItems.Add(ArrT(i).Pemilik) tno += 1 Private Sub Timer1_Tick(ByVal sender As Object, ByVal e As System.EventArgs) Handles Timer1.Tick ProgressBar1.Value = ProgressCount Label3.Text = "Step : " & ProgressCount / 10 Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click ProgressBar1.Visible = True ArrE1 = New List(Of ArrError) ReDim ArrGAll(9) ArrGAll(0) = ArrG1 ArrGAll(1) = ArrG2 ArrGAll(2) = ArrG3 ArrGAll(3) = ArrG4 ArrGAll(4) = ArrG5 ArrGAll(5) = ArrG6 ArrGAll(6) = ArrG7 ArrGAll(7) = ArrG8 ArrGAll(8) = ArrG9 ArrGAll(9) = ArrG10 ProgressCount = 0 Timer1.Start() ButtonE(False) BackgroundWorker1.RunWorkerAsync() Private Sub BackgroundWorker1_DoWork(ByVal sender As Object, ByVal e As System.ComponentModel.DoWorkEventArgs) Handles BackgroundWorker1.DoWork Dim i As Long Dim j As Long Dim Hasil As String Dim ArrTE As ArrError Dim tstep As Integer tstep = 1 Do While tstep <= 10 RunValidation(tStep) ProgressCount = Int((tStep / 10)) tstep += 1 Loop Private Sub RunValidation(ByVal nstep As Integer) Dim BL As Integer = (10 - nstep) Dim i As Integer Dim j As Integer Dim ArrTE As ArrError = New ArrError Dim Hasil As String Dim ttarget(4) As String Dim Avg_Error As Double = 0

17 94 Dim ProcCount As String = 0 For i = 0 To 9 If i <> BL Then For j = 1 To ArrGAll(i).Count ttarget(0) = Mid(ArrGAll(i)(j - 1).Target, 1, 1) ttarget(1) = Mid(ArrGAll(i)(j - 1).Target, 2, 1) ttarget(2) = Mid(ArrGAll(i)(j - 1).Target, 3, 1) ttarget(3) = Mid(ArrGAll(i)(j - 1).Target, 4, 1) ttarget(4) = Mid(ArrGAll(i)(j - 1).Target, 5, 1) Hasil = identify2(arrgall(i)(j - 1).Nilai, ActiveTrain, ttarget) Avg_Error += Hasil ProcCount += 1 ArrTE.nError = Avg_Error ArrTE.Group = nstep ArrE1.Add(ArrTE) Private Sub BackgroundWorker1_RunWorkerCompleted(ByVal sender As Object, ByVal e As System.ComponentModel.RunWorkerCompletedEventArgs) Handles BackgroundWorker1.RunWorkerCompleted Dim i As Integer Dim LVI As ListViewItem Dim BestE As Double = 1 Dim WorstE As Double = 0 Dim AvgE As Double = 0 For i = 1 To ArrE1.Count LVI = LVError.Items.Add(i) LVI.SubItems.Add("V" & i) LVI.SubItems.Add(ArrE1(i - 1).nError) If ArrE1(i - 1).nError < BestE Then BestE = ArrE1(i - 1).nError If ArrE1(i - 1).nError > WorstE Then WorstE = ArrE1(i - 1).nError AvgE += ArrE1(i - 1).nError Label3.Text = "Step : 10" Label4.Text = "Best Error Rate : " & Math.Round(BestE, 9) & ".." Label5.Text = "Worst Error Rate : " & Math.Round(WorstE, 9) & ".." Label6.Text = "Average Error Rate : " & Math.Round(AvgE / 10, 7) & ".." ProgressBar1.Visible = False Timer1.Enabled = False ButtonE(True) Private Sub Button3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button3.Click Clear() End Class JST.vb Imports System.Data Imports System.IO Imports System.IO.File Imports MySql Imports MySql.Data Imports MySql.Data.MySqlClient Module JST

18 95 Public time As New DateTime 'deklarasi input node, hidden node dan output node Public input_node As Long Public hidden_node As Long Public output_node As Long 'deklarasi nilai input,hidden dan output Public input_output(input_node) As Double Public output_output(output_node) As Double Public hidden_output(hidden_node) As Double 'deklarasi bobot pada hidden dan output Public hidden_weight(,) As Double Public output_weight(,) As Double 'kesalahan pada hidden dan output Public output_error(output_node) As Double Public hidden_error(hidden_node) As Double 'deklarasi laju pembelajaran, momentum dan faktor proporsional Public alpha As Double Public beta As Double Public gamma As Double Public biashm(,) As Double Public biasym(,) As Double Public biasy() As Double Public biash() As Double Public avg_err As Double Public ek As Double Public epoch_attr As Long Public max_epoch As Long Public target_error As Double Public c As Double 'momentum Public momentum As Double = 0.1 Public momentum_ih(,,) As Double Public momentum_ho(,,) As Double Public usemomentum, activation_func As Boolean Private Function sigmoid(byval x As Double) x = 1.0 / (1.0 + Math.Exp(-x)) Return x End Function Private Function sigmoidbipolar(byval x As Double) x = (2.0 / (1.0 + Math.Exp(-x))) Return x End Function Public Sub train_forward(byval kode As Long) Dim acc As Double Dim input_str As String Dim input_str_arr() As String Dim dr As MySqlDataReader dr = fetchdata("select nilai_fitur FROM identitas WHERE id='" & kode.tostring & "'") If dr.hasrows Then input_str = dr(0) MsgBox("Database gagal!") Exit Sub input_str_arr = Split(input_str) For i = 0 To input_node - 1 input_output(i) = Val(input_str_arr(i).Replace(",", "."))

19 96 For j = 0 To hidden_node - 1 acc = 0 For i = 0 To input_node - 1 acc += input_output(i) * hidden_weight(j, i) If activation_func Then 'biner hidden_output(j) = sigmoid(acc) 'bipolar hidden_output(j) = sigmoidbipolar(acc) For j = 0 To output_node - 1 acc = 0 For i = 0 To hidden_node - 1 acc += (hidden_output(i) * output_weight(j, i)) If activation_func Then 'biner output_output(j) = sigmoid(acc) 'bipolar output_output(j) = sigmoidbipolar(acc) Public Sub train_backward(byval kode As Long) Dim target_output(output_node) As Long Dim Tamp As String Dim dr As MySqlDataReader dr = fetchdata("select target FROM identitas WHERE id='" & kode.tostring & "'") If dr.hasrows Then Tamp = dr(0) For i = 1 To Len(Tamp) target_output(i - 1) = Mid(Tamp, i, 1) Dim output As Double avg_err = 0.0 ek = 0.0 If activation_func Then 'biner For i = 0 To output_node - 1 output = output_output(i) c += (avg_err) 'bipolar For i = 0 To output_node - 1 output = output_output(i) output_error(i) = (((1.0 + output) * (1.0 - output)) / 2) * (target_output(i) - output) avg_err += Math.Pow(output_output(i) - target_output(i), 2) ek += output_output(i) - target_output(i) c += (avg_err) ek /= 100 Public Sub update_weight() Dim weight_correct As Double For j = 0 To output_node - 1

20 97 For i = 0 To hidden_node - 1 weight_correct = alpha * output_error(j) * hidden_output(i) output_weight(j, i) = output_weight(j, i) + weight_correct biasy(j) -= alpha * output_error(j) Dim acc As Double Dim output As Double If activation_func Then For i = 0 To hidden_node - 1 acc = 0 For j = 0 To output_node - 1 acc = acc + (output_error(j) * output_weight(j, i)) For i = 0 To hidden_node - 1 acc = 0 For j = 0 To output_node - 1 acc = acc + (output_error(j) * output_weight(j, i)) output = hidden_output(i) hidden_error(i) = (((1 + output) * (1 - output)) / 2) * acc For j = 0 To hidden_node - 1 For i = 0 To input_node - 1 weight_correct = alpha * hidden_error(j) * input_output(i) hidden_weight(j, i) = hidden_weight(j, i) + weight_correct biash(j) -= alpha * hidden_error(j) Public Sub update_weight_momentum(byval epoch As Long) If epoch = 1 Then For j = 0 To output_node - 1 For i = 0 To hidden_node 1 momentum_ho(j, i, 1) = output_weight(j, i) Dim acc As Double Dim output As Double If activation_func Then For i = 0 To hidden_node - 1 acc = 0 For j = 0 To output_node - 1 output = hidden_output(i) hidden_error(i) = output * (1 - output) * acc For i = 0 To hidden_node - 1 acc = 0 For j = 0 To output_node - 1 acc = acc + (output_error(j) * output_weight(j, i)) output = hidden_output(i) For j = 0 To hidden_node - 1 For i = 0 To input_node - 1 momentum_ih(j, i, 1) = hidden_weight(j, i) biashm(j, 1) = biash(j) biash(j) -= alpha * hidden_error(j) biashm(j, 0) = biash(j) For j = 0 To output_node - 1 For i = 0 To hidden_node - 1 output_weight(j, i) = momentum_ho(j, i, 0) + (alpha * output_error(j) * hidden_output(i)) + (momentum * (momentum_ho(j, i, 0) - momentum_ho(j, i, 1)))

21 98 biasy(j) = biasym(j, 0) - alpha * output_error(j) + momentum * (biasym(j, 0) - biasym(j, 1)) biasym(j, 1) = biasym(j, 0) biasym(j, 0) = biasy(j) Dim acc As Double Dim output As Double If activation_func Then For i = 0 To hidden_node - 1 acc = 0 For j = 0 To output_node - 1 acc = acc + (output_error(j) * output_weight(j, i)) output = hidden_output(i) hidden_error(i) = output * (1 - output) * acc For i = 0 To hidden_node - 1 acc = 0 For j = 0 To output_node - 1 output = hidden_output(i) hidden_error(i) = (((1 + output) * (1 - output)) / 2) * acc For j = 0 To hidden_node - 1 For i = 0 To input_node 1 hidden_weight(j, i) = momentum_ih(j, i, 0) + (alpha * hidden_error(j) * input_output(i)) + (momentum * (momentum_ih(j, i, 0) - momentum_ih(j, i, 1))) + gamma * ek biashm(j, 1) = biashm(j, 0) biashm(j, 0) = biash(j) Public Function identify(byval inp_str As String, ByVal tlabel As String) As String Dim i, j As Long Dim acc As Double Dim input_str As String Dim input_str_arr() As String input_str = inp_str input_str_arr = Split(input_str) Dim hw(hidden_node, input_node) As Double hidden_weight = hw Dim ow(output_node, hidden_node) As Double output_weight = ow Dim inputout(input_node) As Double input_output = inputout Dim outputout(output_node) As Double output_output = outputout biasy = outputout Dim bym(output_node, 2) As Double biasym = bym Dim outerr(output_node) As Double output_error = outerr Dim hiddenout(hidden_node) As Double hidden_output = hiddenout biash = hiddenout Dim bhm(hidden_node, 2) As Double biashm = bhm Dim hiddenerr(hidden_node) As Double hidden_error = hiddenerr For i = 0 To input_node - 1 input_output(i) = Val(input_str_arr(i).Replace(",", "."))

22 99 Dim tcount As Integer Dim dr As MySqlDataReader dr = fetchdata("select count(id) from toutput where label='" & tlabel & "'") If dr.hasrows Then tcount = dr(0) If tcount > 0 Then dr = fetchdata("select hidden from thidden where label='" & tlabel & "' order by id asc") i = 0 j = 0 If dr.hasrows Then While dr.read hidden_weight(j, i) = dr(0) i = i + 1 If i Mod input_node = 0 Then j += 1 i = 0 End While dr = fetchdata("select output from toutput where label='" & tlabel & "' order by id asc") i = 0 j = 0 If dr.hasrows Then While dr.read output_weight(j, i) = dr(0) i = i + 1 If i Mod hidden_node = 0 Then j += 1 i = 0 End While dr = fetchdata("select biash from tbiash where label='" & tlabel & "' order by id asc") i = 0 If dr.hasrows Then While dr.read biash(i) = dr(0) i = i + 1 End While dr = fetchdata("select biasy from tbiasy where label='" & tlabel & "' order by id asc") i = 0 If dr.hasrows Then While dr.read biasy(i) = dr(0) i = i + 1 End While For j = 0 To hidden_node - 1 acc = 0 For i = 0 To input_node - 1 hidden_output(j) = acc If activation_func Then hidden_output(j) = sigmoid(acc) hidden_output(j) = sigmoidbipolar(acc)

23 100 For j = 0 To output_node - 1 acc = 0 For i = 0 To hidden_node - 1 acc = acc + (hidden_output(i) * output_weight(j, i)) output_output(j) = acc If activation_func Then output_output(j) = sigmoid(acc - biasy(j)) output_output(j) = sigmoid(acc) output_output(j) = sigmoidbipolar(acc - biasy(j)) output_output(j) = sigmoidbipolar(acc) Dim maks As Double Dim ans As String ans = "" maks = For i = 0 To output_node-1 Return ans Return "-1" End Function Public Function identify2(byval inp_str As String, ByVal tlabel As String, ByVal ttarget() As String) As String Dim i, j As Long Dim acc As Double Dim input_str As String Dim input_str_arr() As String input_str = inp_str input_str_arr = Split(input_str) Dim hw(hidden_node, input_node) As Double hidden_weight = hw Dim ow(output_node, hidden_node) As Double output_weight = ow Dim inputout(input_node) As Double input_output = inputout Dim outputout(output_node) As Double output_output = outputout biasy = outputout Dim bym(output_node, 2) As Double biasym = bym Dim outerr(output_node) As Double output_error = outerr Dim hiddenout(hidden_node) As Double hidden_output = hiddenout biash = hiddenout Dim bhm(hidden_node, 2) As Double biashm = bhm Dim hiddenerr(hidden_node) As Double hidden_error = hiddenerr For i = 0 To input_node - 1 input_output(i) = Val(input_str_arr(i).Replace(",", ".")) Dim tcount As Integer Dim dr As MySqlDataReader dr = fetchdata("select count(id) from toutput where label='" & tlabel & "'") If dr.hasrows Then tcount = dr(0) activation_func = True

24 101 dr = fetchdata("select output from toutput where label='" & tlabel & "' order by id asc") i = 0 j = 0 If dr.hasrows Then While dr.read output_weight(j, i) = dr(0) i = i + 1 If i Mod hidden_node = 0 Then j += 1 i = 0 End While dr = fetchdata("select biash from tbiash where label='" & tlabel & "' order by id asc") i = 0 If dr.hasrows Then While dr.read biash(i) = dr(0) i = i + 1 End While dr = fetchdata("select biasy from tbiasy where label='" & tlabel & "' order by id asc") i = 0 If dr.hasrows Then While dr.read biasy(i) = dr(0) i = i + 1 End While For j = 0 To hidden_node - 1 acc = 0 For i = 0 To input_node - 1 acc += input_output(i) * hidden_weight(j, i) hidden_output(j) = acc If activation_func Then hidden_output(j) = sigmoid(acc) hidden_output(j) = sigmoidbipolar(acc) For j = 0 To output_node - 1 acc = 0 For i = 0 To hidden_node - 1 acc = acc + (hidden_output(i) * output_weight(j, i)) output_output(j) = acc If activation_func Then output_output(j) = sigmoid(acc) output_output(j) = sigmoidbipolar(acc) Dim maks As Double Dim ans As String ans = "" maks = avg_err = 0 For i = 0 To output_node - 1 avg_err += Math.Pow(tTarget(i) - output_output(i), 2) ans = avg_err

25 102 Return ans Return "-1" End Function End Module Form Latih.vb Imports MySql Imports MySql.Data Imports MySql.Data.MySqlClient Imports System.Data Imports System.IO Imports System.IO.File Public Class FormLatih Public avg_err_1 As Double = 1.0 Dim ErrT As String Dim GenCount As Long Public tlabel As String Dim dblearning As String Dim dberror As String Dim dbepoch As String Dim dbmomentum As String Dim dbgamma As String Dim dbumomentum As String Private Sub MulaiBtn_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MulaiBtn.Click If LearningRateTxt.Text = "" Then MsgBox("Pilih laju pembelajaran") LearningRateTxt.Focus() Exit Sub If TargetErrorTxt.Text = "" Then MsgBox("Pilih target error yang diinginkan") TargetErrorTxt.Focus() Exit Sub If MaxEpochTxt.Text = "" Then MsgBox("Pilih banyak epoch maksimum") MaxEpochTxt.Focus() Exit Sub activation_func = BinerRadio.Checked usemomentum = MomentumChk.Checked If MomentumTxt.Text <> "" Then momentum = Val(MomentumTxt.Text) hidden_node = Val(HiddenNodeTxt.Text) input_node = Val(InputNodeTxt.Text) output_node = Val(OutputNodeTxt.Text) alpha = Val(LearningRateTxt.Text) max_epoch = Val(MaxEpochTxt.Text) target_error = Val(TargetErrorTxt.Text) gamma = Val(GammaTxt.Text) GammaTxt.Enabled = False MulaiBtn.Enabled = False LearningRateTxt.Enabled = False TargetErrorTxt.Enabled = False MaxEpochTxt.Enabled = False HiddenNodeTxt.Enabled = False MomentumTxt.Enabled = False ErrorRateTxt.Clear() EpochTxt.Clear() TimeTxt.Clear() Button1.Enabled = True ProgressBar1.Style = ProgressBarStyle.Marquee time = DateTime.Now RunQuery("delete from error") Timer1.Start()

26 103 tlabel = ComboBox1.Text dblearning = LearningRateTxt.Text dberror = TargetErrorTxt.Text dbepoch = MaxEpochTxt.Text dbmomentum = MomentumTxt.Text dbgamma = GammaTxt.Text If MomentumChk.Checked Then dbumomentum = "T" dbumomentum = "F" BackgroundWorker1.RunWorkerAsync() Private Sub FormLatih_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load Dim dr As MySqlDataReader dr = fetchdata("select COUNT(*) FROM identitas;") Dim n As Integer n = dr.item(0) OutputNodeTxt.Text = 5 TotalSubjectTxt.Text = n TotalPatternTxt.Text = n Dim input_str As String = "" Dim input_str_arr() As String dr = fetchdata("select nilai_fitur FROM identitas order by id asc limit 0,1") If dr.hasrows Then input_str = dr.item(0) MsgBox("Data Sidik Jari kosong, silahkan masukkan data terlebih dahulu..") ComboBox1.Items.Clear() dr = fetchdata("select label from toutput group by label") If dr.hasrows Then Do While dr.read ComboBox1.Items.Add(dr(0)) Loop input_str_arr = input_str.substring(0, Len(input_str) - 1).Split(" ") InputNodeTxt.Text = input_str_arr.length HiddenNodeTxt.Text = Math.Round(Math.Sqrt(Val(InputNodeTxt.Text) * Val(OutputNodeTxt.Text)), 0) Button1.Enabled = False Private Sub BackgroundWorker1_DoWork(ByVal sender As System.Object, ByVal e As System.ComponentModel.DoWorkEventArgs) Handles BackgroundWorker1.DoWork Randomize() Dim dr As MySqlDataReader Dim hw(hidden_node, input_node) As Double hidden_weight = hw Dim mihw(hidden_node, input_node, 2) As Double momentum_ih = mihw Dim ow(output_node, hidden_node) As Double output_weight = ow Dim mhow(output_node, hidden_node, 2) As Double momentum_ho = mhow Dim inputout(input_node) As Double input_output = inputout Dim outputout(output_node) As Double output_output = outputout biasy = outputout Dim bym(output_node, 2) As Double biasym = bym Dim outerr(output_node) As Double output_error = outerr

27 104 Dim hiddenout(hidden_node) As Double hidden_output = hiddenout biash = hiddenout Dim bhm(hidden_node, 2) As Double biashm = bhm Dim hiddenerr(hidden_node) As Double hidden_error = hiddenerr Dim i, j As Long Dim FaktorSkala As Double = 0 Dim tjumlah As Double = 0 Dim trandom As New Random Dim tcount As Integer dr = fetchdata("select count(id) from toutput where label='" & tlabel & "'") If dr.hasrows Then tcount = dr(0) If tcount > 0 Then dr = fetchdata("select hidden from thidden where label='" & tlabel & "' order by id asc") i = 0 j = 0 If dr.hasrows Then Do While dr.read hidden_weight(j, i) = dr(0) i = i + 1 If i Mod input_node = 0 Then j += 1 i = 0 Loop dr = fetchdata("select output from toutput where label='" & tlabel & "' order by id asc") i = 0 j = 0 If dr.hasrows Then Do While dr.read output_weight(j, i) = dr(0) i = i + 1 If i Mod hidden_node = 0 Then j += 1 i = 0 Loop dr = fetchdata("select biash from tbiash where label='" & tlabel & "' order by id asc") i = 0 If dr.hasrows Then Do While dr.read biash(i) = dr(0) i = i + 1 Loop dr = fetchdata("select biasy from tbiasy where label='" & tlabel & "' order by id asc") i = 0 If dr.hasrows Then Do While dr.read biasy(i) = dr(0) i = i + 1 Loop

28 105 FaktorSkala = 0.7 * (Math.Pow(hidden_node, (1 / input_node))) For j = 0 To hidden_node - 1 For i = 0 To input_node - 1 hidden_weight(j, i) = trandom.double Do While hidden_weight(j, i) < -0.5 Or hidden_weight(j, 1) > 0.5 hidden_weight(j, i) = trandom.double Loop tjumlah += Math.Pow(hidden_weight(j, i), 2) biash(j) = trandom.double Do While biash(j) < (FaktorSkala * -1) Or biash(j) > FaktorSkala biash(j) = trandom.double Loop tjumlah = Math.Sqrt(tJumlah) For j = 0 To hidden_node - 1 For i = 0 To input_node - 1 hidden_weight(j, i) = (FaktorSkala * hidden_weight(j, i)) / tjumlah For j = 0 To output_node - 1 For i = 0 To hidden_node - 1 next Dim hidw(hidden_node) As Double 'proses latih dr = fetchdata("select COUNT(*) FROM identitas") Dim total_pattern As Long total_pattern = dr.item(0) Dim data(total_pattern) As Long i = 0 dr = fetchdata("select id FROM identitas") If dr.hasrows Then For i = 0 To UBound(data) - 1 data(i) = dr(0) ErrT = "" Dim epoch As Long For epoch = 0 To max_epoch - 1 epoch_attr = epoch avg_err = 0.0 c = 0.0 For i = 0 To total_pattern - 1 train_forward(data(i)) train_backward(data(i)) avg_err = c / (total_pattern * 2) ErrT = ErrT & avg_err & vbcrlf avg_err_1 = avg_err RunQuery("insert into error(epoch, rms) values('" & epoch & "', '" & avg_err & "')") If avg_err <= target_error Then update_weight() GoTo simpan If e.cancel = True Then update_weight() GoTo simpan

29 106 simpan: RunQuery("delete from thidden where label='" & tlabel & "'") For j = 0 To hidden_node - 1 For i = 0 To input_node - 1 RunQuery("insert into thidden(label,hidden) values('" & tlabel & _ "', '" & hidden_weight(j, i) & "')") RunQuery("delete from toutput where label='" & tlabel & "'") For j = 0 To output_node - 1 For i = 0 To hidden_node - 1 RunQuery("insert into toutput(label,output) values('" & tlabel & _ "', '" & output_weight(j, i) & "')") RunQuery("delete from tbiash where label='" & tlabel & "'") For i = 0 To hidden_node - 1 RunQuery("insert into tbiash(label,biash) values('" & tlabel & _ "', '" & biash(i) & "')") RunQuery("delete from tbiasy where label='" & tlabel & "'") For i = 0 To output_node - 1 RunQuery("insert into tbiasy(label,biasy) values('" & tlabel & _ "', '" & biasy(i) & "')") RunQuery("delete from tlabel where label='" & tlabel & "'") RunQuery("insert into tlabel(label, learning, error, epoch, momentum, faktor, umomentum, berror) values(" & _ "'" & tlabel & "', '" & dblearning & "','" & dberror & _ "', '" & dbepoch & "','" & dbmomentum & "','" & dbgamma & "','" & dbumomentum & "','" & avg_err_1 & "')") Private Sub BackgroundWorker1_RunWorkerCompleted(ByVal sender As Object, ByVal e As System.ComponentModel.RunWorkerCompletedEventArgs) Handles BackgroundWorker1.RunWorkerCompleted ProgressBar1.Style = ProgressBarStyle.Blocks ProgressBar1.Value = 100 Timer1.Stop() MsgBox("Pelatihan Selesai") MulaiBtn.Enabled = True LearningRateTxt.Enabled = True TargetErrorTxt.Enabled = True MaxEpochTxt.Enabled = True HiddenNodeTxt.Enabled = True Button1.Enabled = False GammaTxt.Enabled = True MomentumTxt.Enabled = True Private Sub Timer1_Tick(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Timer1.Tick Dim Difference As TimeSpan = DateTime.Now.Subtract(Time) TimeTxt.Text = Difference.Days.ToString & ":" & Difference.Hours.ToString & ":" & Difference.Minutes.ToString & ":" & Difference.Seconds.ToString & "." & Difference.Milliseconds.ToString EpochTxt.Text = epoch_attr ErrorRateTxt.Text = avg_err_1 Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click BackgroundWorker1.CancelAsync() Private Sub MomentumChk_CheckedChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MomentumChk.CheckedChanged

30 107 If MomentumChk.Checked Then MomentumTxt.Enabled = True MomentumTxt.Text = "" MomentumTxt.Enabled = False Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click FormChart.MdiParent = Me.MdiParent FormChart.Show() Private Sub BMemorisasi_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles BMemorisasi.Click ProgressBar2.Visible = True hidden_node = Math.Round(Math.Sqrt(Val(InputNodeTxt.Text) * Val(OutputNodeTxt.Text)), 0) output_node = 5 input_node = Val(InputNodeTxt.Text) GenCount = 0 tlabel = ComboBox1.Text Timer2.Start() BackgroundWorker2.RunWorkerAsync() Private Sub BackgroundWorker2_DoWork(ByVal sender As Object, ByVal e As System.ComponentModel.DoWorkEventArgs) Handles BackgroundWorker2.DoWork Dim i As Long Dim Hasil As String Dim DT As System.Data.DataTable Dim Benar As String = "Salah" RunQuery("delete from memorisasi") DT = FetchDataTable("select * from identitas") If DT.Rows.Count > 0 Then For i = 0 To DT.Rows.Count - 1 Benar = "Salah" Hasil = identify(dt.rows(i).item(4).tostring, tlabel) If Hasil = DT.Rows(i).Item(6) Then Benar = "Benar" RunQuery(String.Format("insert into memorisasi(id_identitas, nama, nama_file, nilai_fitur, target, output, hasil) values('{0}', '{1}', '{2}', '{3}', '{4}', '{5}', '{6}')", DT.Rows(i).Item(0), DT.Rows(i).Item(1), DT.Rows(i).Item(5), DT.Rows(i).Item(4), DT.Rows(i).Item(6), Hasil, Benar)) GenCount = ((i + 1) / DT.Rows.Count) * 100 Private Sub Timer2_Tick(ByVal sender As Object, ByVal e As System.EventArgs) Handles Timer2.Tick ProgressBar2.Value = GenCount Private Sub BackgroundWorker2_RunWorkerCompleted(ByVal sender As Object, ByVal e As System.ComponentModel.RunWorkerCompletedEventArgs) Handles BackgroundWorker2.RunWorkerCompleted Timer2.Stop() ProgressBar2.Visible = False FormMemorisasi.MdiParent = Me.MdiParent FormMemorisasi.Show() Private Sub BackgroundWorker3_DoWork(ByVal sender As Object, ByVal e As System.ComponentModel.DoWorkEventArgs) Handles BackgroundWorker3.DoWork Dim i As Long Dim Hasil As String Dim DT As System.Data.DataTable Dim Benar As String = "Salah"

31 108 RunQuery("delete from generalisasi") DT = FetchDataTable("select * from identitas_uji") If DT.Rows.Count > 0 Then For i = 0 To DT.Rows.Count - 1 Benar = "Salah" Hasil = identify(dt.rows(i).item(4).tostring, tlabel) If Hasil = DT.Rows(i).Item(6) Then Benar = "Benar" RunQuery(String.Format("insert into generalisasi(id, id_identitas, nama, nama_file, nilai_fitur, target, output, hasil) values('{7}','{0}', '{1}', '{2}', '{3}', '{4}', '{5}', '{6}')", DT.Rows(i).Item(0), DT.Rows(i).Item(1), DT.Rows(i).Item(5), DT.Rows(i).Item(4), DT.Rows(i).Item(6), Hasil, Benar, i)) GenCount = ((i + 1) / DT.Rows.Count) * 100 Private Sub Timer3_Tick(ByVal sender As Object, ByVal e As System.EventArgs) Handles Timer3.Tick ProgressBar3.Value = GenCount Private Sub BackgroundWorker3_RunWorkerCompleted(ByVal sender As Object, ByVal e As System.ComponentModel.RunWorkerCompletedEventArgs) Handles BackgroundWorker3.RunWorkerCompleted Timer3.Stop() ProgressBar3.Visible = False FormGeneralisasi.MdiParent = Me.MdiParent FormGeneralisasi.Show() Private Sub BGeneralisasi_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles BGeneralisasi.Click ProgressBar3.Visible = True hidden_node = Math.Round(Math.Sqrt(Val(InputNodeTxt.Text) * Val(OutputNodeTxt.Text)), 0) output_node = 5 input_node = Val(InputNodeTxt.Text) GenCount = 0 Timer2.Start() tlabel = ComboBox1.Text BackgroundWorker3.RunWorkerAsync() Private Sub ComboBox1_SelectedIndexChanged(ByVal sender As Object, ByVal e As System.EventArgs) Handles ComboBox1.SelectedIndexChanged If ComboBox1.Items.Count < 1 Then Exit Sub Dim DR1 As MySqlDataReader DR1 = fetchdata("select * from tlabel where label='" & ComboBox1.Text & "'") If DR1.HasRows Then DR1.Read() LearningRateTxt.Text = DR1("learning") TargetErrorTxt.Text = DR1("error") MaxEpochTxt.Text = DR1("epoch") MomentumTxt.Text = DR1("momentum") GammaTxt.Text = DR1("faktor") If DR1("umomentum") = "T" Then MomentumChk.Checked = True MomentumChk.Checked = False DR1.Close()

32 109 Private Sub Button3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button3.Click ActiveTrain = ComboBox1.Text End Class Form Uji.vb Imports MySql Imports MySql.Data Imports MySql.Data.MySqlClient Public Class FormUji Dim GenCount As Long Private Sub ClearBtn_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles ClearBtn.Click FileNameLbl.Text = "- No File Selected -" IDTxt.Text = "" NamaPemilikTxt.Text = "" NamaFileTxt.Text = "" AlamatTxt.Text = "" JenisKelaminTxt.Text = "" OriginalPic.Image = Nothing ResultPic.Image = Nothing ProsesBtn.Enabled = False BrowseBtn.Enabled = True BrowseBtn.Focus() Private Sub FormUji_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load ProsesBtn.Enabled = False BrowseBtn.Focus() Dim dr As MySqlDataReader dr = fetchdata("select COUNT(*) FROM identitas;") Dim n As Integer n = dr.item(0) OutputNodeTxt.Text = 5 ComboBox1.Items.Clear() dr = fetchdata("select label from toutput group by label") If dr.hasrows Then Do While dr.read ComboBox1.Items.Add(dr(0)) Loop Private Sub BrowseBtn_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles BrowseBtn.Click With OpenFileDialog1.CheckFileExists = True.CheckPathExists = True.ShowHelp = False.Filter = "Gambar Bitmap (*.bmp) *.bmp Gambar Jpeg (*.jpg) *.jpg Gambar Gift (*.gif) *.gif".showdialog() End With Private Sub OpenFileDialog1_FileOk(ByVal sender As System.Object, ByVal e As System.ComponentModel.CancelEventArgs) Handles OpenFileDialog1.FileOk OriginalPic.ImageLocation = OpenFileDialog1.FileName FileNameLbl.Text = OpenFileDialog1.FileName ProsesBtn.Enabled = True Private Sub ProsesBtn_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles ProsesBtn.Click BrowseBtn.Enabled = False

33 110 ProsesBtn.Enabled = False activation_func = BinerRadio.Checked hidden_node = Math.Round(Math.Sqrt(Val(InputNodeTxt.Text) * Val(OutputNodeTxt.Text)), 0) output_node = 5 input_node = Val(Inputnodetxt.text) Dim sobelpic As New Bitmap(OriginalPic.Image.Width, OriginalPic.Image.Height, Imaging.PixelFormat.Format32bppArgb) Dim binarypic As New Bitmap(OriginalPic.Image.Width, OriginalPic.Image.Height, Imaging.PixelFormat.Format32bppArgb) Dim haarpic As New Bitmap(OriginalPic.Image.Width, OriginalPic.Image.Height, Imaging.PixelFormat.Format32bppArgb) sobelpic = SobelDetect(OriginalPic.Image) binarypic = Binerisasi(sobelpic) haarpic = Haar(binarypic) Dim hasilstr As String hasilstr = THasil FormSidik.HasilTxt.Clear() Dim kode As String kode = identify(hasilstr, ComboBox1.Text) If kode = "-1" Then MsgBox("Lakukan proses pelatihan terlebih dahulu") Exit Sub 'MsgBox(kode) Dim dr As MySqlDataReader Dim tid As String = "" Label12.Text = "Hasil Output Jaringan : " & kode.tostring dr = fetchdata("select * FROM identitas WHERE target='" & kode.tostring & "' and nilai_fitur='" & THasil & "';") If dr.hasrows Then IDTxt.Text = dr.item(0) NamaPemilikTxt.Text = dr.item(1) AlamatTxt.Text = dr.item(2) JenisKelaminTxt.Text = dr.item(3) NamaFileTxt.Text = dr.item(5) ResultPic.ImageLocation = "images/" & NamaFileTxt.Text MsgBox("Data sidik jari yang sesuai ditemukan..") dr = fetchdata("select * FROM identitas WHERE target='" & kode.tostring & "';") If dr.hasrows Then IDTxt.Text = dr.item(0) NamaPemilikTxt.Text = dr.item(1) AlamatTxt.Text = dr.item(2) JenisKelaminTxt.Text = dr.item(3) NamaFileTxt.Text = dr.item(5) ResultPic.ImageLocation = "images/" & NamaFileTxt.Text 'MsgBox("Data sidik jari sesuai..") MsgBox("Data sidik jari yang sesuai tidak ditemukan..") End Class Form Chart.vb Public Class FormChart Private Sub FormChart_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load Me.ErrorBindingSource.DataSource = FetchDataTable("select * from error") End Class

34 111 LAMPIRAN B. SAMPEL SIDIK JARI Data Pelatihan Pemilik 1 Pemilik 2 Pemilik 3 Pemilik 4 Pemilik 5

35 112 Pemilik 6 Pemilik 7 Pemilik 8 Pemilik 9 Pemilik 10

36 113 Data Pengujian Pemilik 1 Pemilik 2 Pemilik 3 Pemilik 4 Pemilik 5

37 114 Pemilik 6 Pemilik 7 Pemilik 8 Pemilik 9 Pemilik 10

38 115 LAMPIRAN C HASIL PENGENALAN SISTEM

39 116