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VB识别倾斜验证码详解(基于模板库匹配)(5)

时间:2012-01-09 16:37来源:未知 整理:寂涯网络 点击:


        nCount_Middle = 0
        nCount_Left = 0
        nCount_Right = 0
        '扫描18*18 方格
        For X = i * 18 To i * 18 + 17
            '上部
            For Y = 0 To 5
                If Picture2.Point(X, Y) = vbBlack Then
                    nCount_Up = nCount_Up + 1         '黑色像素点总数+1
                End If
            Next Y
            '中部 
For Y = 6 To 11
If Picture2.Point(X, Y) = vbBlack Then
                    nCount_Middle = nCount_Middle + 1         '黑色像素
点总数+1
                End If
            Next Y
            '下部
            For Y = 12 To 17
                If Picture2.Point(X, Y) = vbBlack Then
                    nCount_Down = nCount_Down + 1     '黑色像素点总数+1
                End If
            Next Y
        Next X
        For Y = 0 To 17
            '左侧
            For X = 0 To 8
                If Picture2.Point(X, Y) = vbBlack Then
                    nCount_Left = nCount_Left + 1         '黑色像素点总
数+1
                End If
            Next X
            '右侧
            For X = 9 To 17
                If Picture2.Point(X, Y) = vbBlack Then
                    nCount_Right = nCount_Right + 1         '黑色像素点
总数+1
                End If
            Next X
        Next Y
        Debug.Print nCount_Up
        Debug.Print nCount_Middle
        Debug.Print nCount_Down
        Debug.Print nCount_Left
        Debug.Print nCount_Right
        '比较像素点最接近的点
        Dim j As Integer
        Dim MinVal As Integer
        Dim Total As Integer
        MinVal = 1000
        For j = 0 To 9
            Total = 0
If Abs(nCount_Up -  Number_Count_Up(j)) > 6 Then Total = Total + Abs(nCount_Up
- Number_Count_Up(j)) * 2 Else _
               Total = Total + Abs(nCount_Up - Number_Count_Up(j))

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