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  • 大小: 717KB
    文件類型: .rar
    金幣: 2
    下載: 0 次
    發布日期: 2021-06-04
  • 語言: 其他
  • 標簽: opencv??

資源簡介

順利運行,簡單明了,使用基本全局閾值法,在opencv上開發。

資源截圖

代碼片段和文件信息

//?005.cpp?:?Defines?the?entry?point?for?the?console?application.
//

#include?“stdafx.h“
#include?“cv.h“
#include?“cxcore.h“
#include?“highgui.h“
//#include?“math.h“?

int?BasicGlobalThreshold(int?*pgint?startint?end)
??{???????????????????????????????????????????//??基本全局閾值法
??????int??itt1t2k1k2;
??????double?uu1u2;????
??????t=0;?????
??????u=0;
??????for?(i=start;i?????{
?????????t+=pg[i];????????
?????????u+=i*pg[i];
?????}
?????k2=(int)?(u/t);??????????????????????????//??計算此范圍灰度的平均值????
?????do?
?????{
?????????k1=k2;
?????????t1=0;????
?????????u1=0;
?????????for?(i=start;i<=k1;i++)?
?????????{?????????????//??計算低灰度組的累加和
?????????????t1+=pg[i];????
?????????????u1+=i*pg[i];
?????????}
?????????t2=t-t1;
?????????u2=u-u1;
?????????if?(t1)?
?????????????u1=u1/t1;?????????????????????//??計算低灰度組的平均值
?????????else?
?????????????u1=0;
?????????if?(t2)?
?????????????u2=u2/t2;?????????????????????//??計算高灰度組的平均值
?????????else?
?????????????u2=0;
?????????k2=(int)?((u1+u2)/2);?????????????????//??得到新的閾值估計值
?????}
?????while(k1!=k2);???????????????????????????//??數據未穩定,繼續
?????//cout<<“The?Threshold?of?this?Image?in?BasicGlobalThreshold?is:“<?????return(k1);??????????????????????????????//??返回閾值
?}


int?main(int?argc?char*?argv[])?
{
IplImage?*imgGray=NULL;//?聲明IplImage?變量,用于圖像格式轉換
IplImage?*img=cvLoadImage(“車道線識別.jpg“);
imgGray=cvCreateImage(cvGetSize(img)IPL_DEPTH_8U1);
cvCvtColor(imgimgGrayCV_BGR2GRAY);

IplImage*?imgBasicGlobalThreshold=cvCreateImage(cvGetSize(img)IPL_DEPTH_8U1);
????
????cvCopyImage(imgGrayimgBasicGlobalThreshold);
????
int?pg[256]ith;

????for?(i=0;i<256;i++)
????pg[i]=0;

????for?(i=0;iimageSize;i++)//?直方圖統計

????pg[(BYTE)imgBasicGlobalThreshold->imageData[i]]++;

????th?=?BasicGlobalThreshold(pg0256);//?確定閾值

????printf(“閾值為%d\n“th);//輸出顯示閥值

????cvThreshold(imgBasicGlobalThresholdimgBasicGlobalThresholdth255CV_THRESH_BINARY);//?二值化

????cvNamedWindow(“BasicGlobalThreshold“1);
????cvShowImage(“BasicGlobalThreshold“imgBasicGlobalThreshold);//顯示圖像
cvWaitKey(0);

????return?0;?
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件????????769??2012-09-04?13:01??005\StdAfx.h

?????文件????????290??2012-09-04?13:01??005\StdAfx.cpp

?????文件???????1190??2012-09-04?13:01??005\ReadMe.txt

?????文件????????514??2012-09-04?13:01??005\005.dsw

?????文件??????41984??2012-09-06?17:23??005\005.ncb

?????文件?????140288??2012-09-04?21:22??005\Debug\vc60.idb

?????文件?????400556??2012-09-04?20:42??005\Debug\005.pch

?????文件?????208896??2012-09-04?21:21??005\Debug\vc60.pdb

?????文件?????188463??2012-09-04?21:22??005\Debug\005.exe

?????文件?????566272??2012-09-04?21:21??005\Debug\005.pdb

?????文件?????206608??2012-09-04?21:22??005\Debug\005.ilk

?????文件???????3998??2012-09-04?20:42??005\Debug\StdAfx.sbr

?????文件???????2061??2012-09-04?20:42??005\Debug\StdAfx.obj

?????文件??????????0??2012-09-04?21:21??005\Debug\005.sbr

?????文件????2024448??2012-09-04?21:21??005\Debug\005.bsc

?????文件??????25910??2012-09-04?21:22??005\Debug\005.obj

?????文件????????812??2012-09-04?21:22??005\005.plg

?????文件???????4386??2012-09-04?13:04??005\005.dsp

?????文件??????32715??2012-09-03?10:42??005\車道線識別.jpg

?????文件???????2310??2012-09-04?20:55??005\005.cpp

?????文件??????48640??2012-09-06?17:23??005\005.opt

?????目錄??????????0??2012-09-04?13:01??005\Debug

?????目錄??????????0??2012-09-04?13:01??005

-----------?---------??----------?-----??----

??????????????3901110????????????????????23


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