http://www.cnblogs.com/lanse777/archive/2007/04/01/695801.html
关于OCR矩阵采用 海明距离 检验相似度的算法实现
将 0 1 2 3 4 5 6 7 8 9 改为直接序列化
为 二进制 而不是 字符串然后求的时候 根据 矩形 算出长度
根据长度
构造一个 二进制数组
将数组根据 RGB 赋值 0 1
这样就有 两个 二进制 数组了
构造两个 BitArray 求 海明距离
然后 海明距离 跟阀值相比 计算相似度
http://www.cnblogs.com/i80386/archive/2012/02/20/2359493.html
using System;
using System.Collections;
public class SamplesBitArray {
public static void Main() {
// Creates and initializes two BitArrays of the same size.
BitArray myBA1 = new BitArray( 4 );
BitArray myBA2 = new BitArray( 4 );
myBA1[0] = myBA1[1] = false;
myBA1[2] = myBA1[3] = true;
myBA2[0] = myBA2[2] = false;
myBA2[1] = myBA2[3] = true;
// Performs a bitwise XOR operation between BitArray instances of the same size.
Console.WriteLine( "Initial values" );
Console.Write( "myBA1:" );
PrintValues( myBA1, 8 );
Console.Write( "myBA2:" );
PrintValues( myBA2, 8 );
Console.WriteLine();
Console.WriteLine( "Result" );
Console.Write( "XOR:" );
PrintValues( myBA1.Xor( myBA2 ), 8 );
Console.WriteLine();
Console.WriteLine( "After XOR" );
Console.Write( "myBA1:" );
PrintValues( myBA1, 8 );
Console.Write( "myBA2:" );
PrintValues( myBA2, 8 );
Console.WriteLine();
// Performing XOR between BitArray instances of different sizes returns an exception.
try {
BitArray myBA3 = new BitArray( 8 );
myBA3[0] = myBA3[1] = myBA3[2] = myBA3[3] = false;
myBA3[4] = myBA3[5] = myBA3[6] = myBA3[7] = true;
myBA1.Xor( myBA3 );
} catch ( Exception myException ) {
Console.WriteLine("Exception: " + myException.ToString());
}
}
public static void PrintValues( IEnumerable myList, int myWidth ) {
int i = myWidth;
foreach ( Object obj in myList ) {
if ( i <= 0 ) {
i = myWidth;
Console.WriteLine();
}
i--;
Console.Write( "{0,8}", obj );
}
Console.WriteLine();
}
}
/*
This code produces the following output.
Initial values
myBA1: False False True True
myBA2: False True False True
Result
XOR: False True True False
After XOR
myBA1: False True True False
myBA2: False True False True
Exception: System.ArgumentException: Array lengths must be the same.
at System.Collections.BitArray.Xor(BitArray value)
at SamplesBitArray.Main()
*/