資源簡介
手寫簽名采集識別系統(tǒng),可以采集簽名，并進(jìn)行簽名識別，使用DTW算法
代碼片段和文件信息
//?SignMatch.cpp?:?Defines?the?entry?point?for?the?DLL?application.
//
#include?
#include?“struct.h“
#include?“SignData.h“
using?namespace?std;
#ifndef?LIB_H
#define?LIB_H
//extern?“C“?int?__declspec（dllexport）add（int?x?int?y）;
//extern?“C“?MATCHDIS?__declspec（dllexport）MatchDTW（CSignData?&data1CSignData?&data2int?nType）;
extern?“C“?MATCHDIS?__declspec（dllexport）MatchDTW（string?str1string?str2int?nTypeint?n）;
//extern?“C“?void?__declspec（dllexport）MatchByFile（char?*?str1char?*?str2MATCHDIS&?sc?）;
//extern?“C“?void?__declspec（dllexport）MatchByFile（string?str1string?str2MATCHDIS?&?sc?）;
#endif
#define?DTWMAXNUM?2000
#define?MAX（ab）?（（a）>（b）?（a）:（b））
#define?MIN（ab）?（（a）<（b）?（a）:（b））
#define?ABS（a）?（（a）>0?（a）:（-（a）））
#define?DTWVERYBIG?100000000.0
double?distance1[DTWMAXNUM][DTWMAXNUM];?/*保存距離*/
double?dtwpath[DTWMAXNUM][DTWMAXNUM];?/*保存路徑*/
//計(jì)算單一方向距離
double?DTWDistanceFun（double?*Aint?Idouble?*Bint?Jint?r）
{
int?ij;
double?dist;
int?istartimax;
int?r2=r+ABS（I-J）;/*匹配距離*/
double?g1g2g3;
int?pathsig=1;/*路徑的標(biāo)志*/
/*檢查參數(shù)的有效性*/
if（I>DTWMAXNUM||J>DTWMAXNUM）{
//printf（“Too?big?number\n“）;
return?-1.0;
}
/*進(jìn)行一些必要的初始化*/
for（i=0;i
distance1[i][j]=DTWVERYBIG;
}
}
/*動態(tài)規(guī)劃求最小距離*/
/*這里我采用的路徑是?-------
??????????????????????????.?|
????????????????????????.???|
??????????????????????.?????|
????????????????????.???????|
?*/
distance1[0][0]=（double）2*ABS（A[0]-B[0]）;
for（i=1;i<=r2;i++）{
distance1[i][0]=distance1[i-1][0]+ABS（A[i]-B[0]）;
}
for（j=1;j<=r2;j++）{
distance1[0][j]=distance1[0][j-1]+ABS（A[0]-B[j]）;
}
for（j=1;j
if（j<=r2）
istart=1;
imax=j+r2;
if（imax>=I）
imax=I-1;
for（i=istart;i<=imax;i++）{
g1=distance1[i-1][j]+ABS（A[i]-B[j]）;
g2=distance1[i-1][j-1]+2*ABS（A[i]-B[j]）;
g3=distance1[i][j-1]+ABS（A[i]-B[j]）;
g2=MIN（g1g2）;
g3=MIN（g2g3）;
distance1[i][j]=g3;
}
}
dist=distance1[I-1][J-1]*10/（（double）（I+J））;
return?dist;
}
//整體距離
double?GetMin（double?**dint?n?int?m）{???//DTW中通過d得到g
??double?**g?=?new?double*[n];
?double?min=0getmin;
?for（int?i=0;i
for（int?j=0;j
if（i==0&&j==0）{
g[i][j]=2*d[i][j];
}
if（i==0&&j!=0）{
g[i][j]=d[i][j]+g[i][j-1];
}
if（i!=0&&j==0）{
g[i][j]=d[i][j]+g[i-1][j];
}
// System.out.println（“g[“+i+“]“+“[“+j+“]=“+g[i][j]）;
}else{
if（（g[i][j-1]+d[i][j]）<（g[i-1][j-1]+2*d[i][j]））{
min=g[i][j-1]+d[i][j];
}else{
min=g[i-1][j-1]+2*d[i][j];
}
if（min<（g[i-1][j]+d[i][j]））{
g[i][j]=min;
// System.out.println（“g[“+i+“]“+“[“+j+“]=“+g[i][j]）;
}else{
g[i][j]=g[i-1][j]+d[i][j];
// System.out.println（“g[“+i+“]“+“[“+j+“]=“+g[i][j]）;
}
}
}
}?
// loop+=strokeSum[k];
// }
?getmin=（g[n-1][m-1]）/（n+m）;
??屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件??????14464??2014-01-13?15:08??MatchDTW\Debug\BuildLog.htm
?????文件???????2486??2014-04-14?20:38??MatchDTW\Debug\MatchDTW.Build.CppClean.log
?????文件????????441??2014-04-14?20:38??MatchDTW\Debug\MatchDTW.log
?????文件???????4647??2014-04-14?19:48??MatchDTW\MatchDtw.cpp
?????文件???????4332??2014-01-13?15:08??MatchDTW\MatchDTW.vcproj
?????文件???????1401??2014-01-13?15:24??MatchDTW\MatchDTW.vcproj.PC-201210172121.Administrator.user
?????文件???????5480??2014-02-17?16:39??MatchDTW\MatchDTW.vcxproj
?????文件???????1412??2014-02-17?16:39??MatchDTW\MatchDTW.vcxproj.filters
?????文件????????143??2014-02-17?16:39??MatchDTW\MatchDTW.vcxproj.user
?????文件???????2358??2014-04-03?15:50??MatchDTW\Release\cl.command.1.tlog
?????文件??????26456??2014-04-03?15:50??MatchDTW\Release\CL.read.1.tlog
?????文件???????1608??2014-04-03?15:50??MatchDTW\Release\CL.write.1.tlog
?????文件???????1826??2014-04-03?15:50??MatchDTW\Release\li
?????文件???????3102??2014-04-03?15:50??MatchDTW\Release\li
?????文件????????896??2014-04-03?15:50??MatchDTW\Release\li
?????文件???????1422??2014-04-03?15:50??MatchDTW\Release\MatchDTW.Build.CppClean.log
?????文件????????381??2014-04-03?15:50??MatchDTW\Release\MatchDTW.dll.intermediate.manifest
?????文件?????????77??2014-04-03?15:50??MatchDTW\Release\MatchDTW.lastbuildstate
?????文件???????2795??2014-04-03?15:50??MatchDTW\Release\MatchDTW.log
?????文件?????673886??2014-04-03?15:50??MatchDTW\Release\MatchDtw.obj
?????文件????????349??2014-04-03?15:50??MatchDTW\Release\MatchDTW.write.1.tlog
?????文件????????514??2014-04-03?15:50??MatchDTW\Release\mt.command.1.tlog
?????文件????????792??2014-04-03?15:50??MatchDTW\Release\mt.read.1.tlog
?????文件????????332??2014-04-03?15:50??MatchDTW\Release\mt.write.1.tlog
?????文件????1025338??2014-04-03?15:50??MatchDTW\Release\SignData.obj
?????文件??????30899??2014-04-03?15:50??MatchDTW\Release\StdAfx.obj
?????文件?????290816??2014-04-03?15:50??MatchDTW\Release\vc100.pdb
?????文件??????47330??2014-03-01?19:49??MatchDTW\SignData.cpp
?????文件???????3117??2014-01-13?14:09??MatchDTW\SignData.h
?????文件????????296??2013-08-26?14:16??MatchDTW\StdAfx.cpp
............此處省略8個文件信息
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