答题卡识别小程序

答题卡识别小程序，适合新手练习，内容较价清晰，答题卡识别小程序，适合新手练习，内容较价清晰

#include “stdafx.h“
#include “ASLib.h“
using namespace std;
using namespace cv;

//获得锚点
//                LT（0）  RT（1）  
//
//               LD（2）   RD（3）;
void FetchAnchorPoints（Mat matSrcMat matTemplatePoint2f pointAnchors[]）
{
	int rows = matSrc.rows;
	int cols = matSrc.cols;
	double minVal; 
	double maxVal2; 
	Point minlocLTminlocLDminlocRTminlocRD; 
	Point maxlocLTmaxlocLDmaxlocRTmaxlocRD;
	Point2f anchorLTanchorRTanchorLDanchorRD;

	Mat matTemp;
	int iHalfX = cols/2;
	int iHalfY = rows/2;

	Mat matLT = matSrc（Rect（00iHalfXiHalfY））;
	Mat matRT = matSrc（Rect（iHalfX0iHalfXiHalfY））;
	Mat matLD = matSrc（Rect（0iHalfYiHalfXiHalfY））;
	Mat matRD = matSrc（Rect（iHalfXiHalfYiHalfXiHalfY））;

	matchTemplate（matLTmatTemplatematTemp5）;
	normalize（ matTemp matTemp 0 1 NORM_MINMAX -1 Mat（） ）;
	minMaxLoc（ matTemp &minVal &maxVal2 &minlocLT &maxlocLT Mat（） ）; 
	anchorLT = maxlocLT;

	matchTemplate（matRTmatTemplatematTemp5）;
	normalize（ matTemp matTemp 0 1 NORM_MINMAX -1 Mat（） ）;
	minMaxLoc（ matTemp &minVal &maxVal2 &minlocRT &maxlocRT Mat（） ）; 
	anchorRT = Point（maxlocRT.x + iHalfXmaxlocRT.y ）;

	matchTemplate（matLDmatTemplatematTemp5）;
	normalize（ matTemp matTemp 0 1 NORM_MINMAX -1 Mat（） ）;
	minMaxLoc（ matTemp &minVal &maxVal2 &minlocLD &maxlocLD Mat（） ）; 
	anchorLD = Point（maxlocLD.x maxlocLD.y + iHalfY）;

	matchTemplate（matRDmatTemplatematTemp5）;
	normalize（ matTemp matTemp 0 1 NORM_MINMAX -1 Mat（） ）;
	minMaxLoc（ matTemp &minVal &maxVal2 &minlocRD &maxlocRD Mat（） ）; 
	anchorRD = Point（maxlocRD.x + iHalfXmaxlocRD.y + iHalfY）;

	pointAnchors[0] = anchorLT;
	pointAnchors[1] = anchorRT;
	pointAnchors[2] = anchorLD;
	pointAnchors[3] = anchorRD;
}

//投影到x或Y轴上上波形为vup下波形为vdowngap为误差间隔
void projection2（Mat srcvector& vupvector& vdownint directionint gap）
{
	Mat tmp = src.clone（）;
	vector vdate;
	if （DIRECTION_X == direction）{
		for （int i=0;i			Mat data = tmp.col（i）;
			int itmp = countNonZero（data）;
			vdate.push_back（itmp）;
		}
	}else{
		for （int i=0;i			Mat data = tmp.row（i）;
			int itmp = countNonZero（data）;
			vdate.push_back（itmp）;
		}
	}
	//整形去除长度小于gap的零的空洞
	if （vdate.size（）<=gap）
		return;
	for （int i=0;i		if （vdate[i]>0 && vdate[i+gap]>0）{
			for （int j=i;j				vdate[j] = 1;
			}
			i = i+gap-1;
		}
	}
	//记录上下沿
	for （int i=1;i		if （vdate[i-1] == 0 && vdate[i]>0）
			vup.push_back（i）;
		if （vdate[i-1]>0 && vdate[i] == 0）
			vdown.push_back（i）;
	}
}

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----

     文件       2703  2017-02-16 16:16  L13 系统融合2\MFCApplication1\MFCApplication1\ASLib.cpp

     文件        343  2017-02-16 16:12  L13 系统融合2\MFCApplication1\MFCApplication1\ASLib.h

     文件      12175  2016-10-07 22:08  L13 系统融合2\MFCApplication1\MFCApplication1\CameraDS.cpp

     文件       3421  2017-02-27 14:38  L13 系统融合2\MFCApplication1\MFCApplication1\CameraDS.h

     文件       6741  2011-11-12 06:18  L13 系统融合2\MFCApplication1\MFCApplication1\CvvImage.cpp

     文件       2024  2011-11-12 06:17  L13 系统融合2\MFCApplication1\MFCApplication1\CvvImage.h

     文件        631  2008-02-27 14:52  L13 系统融合2\MFCApplication1\MFCApplication1\DirectShow\Include\activecf.h

     文件       1826  2008-02-27 14:52  L13 系统融合2\MFCApplication1\MFCApplication1\DirectShow\Include\amaudio.h

     文件       1065  2008-02-27 14:52  L13 系统融合2\MFCApplication1\MFCApplication1\DirectShow\Include\amparse.h

     文件      73261  2008-02-27 14:52  L13 系统融合2\MFCApplication1\MFCApplication1\DirectShow\Include\amstream.h

     文件       3974  2008-02-27 14:52  L13 系统融合2\MFCApplication1\MFCApplication1\DirectShow\Include\amva.h

     文件      19851  2008-02-27 14:52  L13 系统融合2\MFCApplication1\MFCApplication1\DirectShow\Include\Amvideo.h

     文件       1097  2008-02-27 14:52  L13 系统融合2\MFCApplication1\MFCApplication1\DirectShow\Include\atsmedia.h

     文件       1532  2008-02-27 14:52  L13 系统融合2\MFCApplication1\MFCApplication1\DirectShow\Include\audevcod.h

     文件      20543  2008-02-27 14:52  L13 系统融合2\MFCApplication1\MFCApplication1\DirectShow\Include\austream.h

     文件      13805  2008-02-27 14:52  L13 系统融合2\MFCApplication1\MFCApplication1\DirectShow\Include\aviriff.h

     文件       6820  2008-02-27 14:52  L13 系统融合2\MFCApplication1\MFCApplication1\DirectShow\Include\basetsd.h

     文件     125594  2008-02-27 14:52  L13 系统融合2\MFCApplication1\MFCApplication1\DirectShow\Include\bdaiface.h

     文件      54539  2008-02-27 14:52  L13 系统融合2\MFCApplication1\MFCApplication1\DirectShow\Include\bdamedia.h

     文件      53527  2008-02-27 14:52  L13 系统融合2\MFCApplication1\MFCApplication1\DirectShow\Include\Bdatif.h

     文件      15486  2008-02-27 14:52  L13 系统融合2\MFCApplication1\MFCApplication1\DirectShow\Include\bdatypes.h

     文件        944  2008-02-27 14:52  L13 系统融合2\MFCApplication1\MFCApplication1\DirectShow\Include\comlite.h

     文件     178266  2008-02-27 14:52  L13 系统融合2\MFCApplication1\MFCApplication1\DirectShow\Include\control.h

     文件      88071  2008-02-27 14:52  L13 系统融合2\MFCApplication1\MFCApplication1\DirectShow\Include\d3d.h

     文件      72232  2008-02-27 14:52  L13 系统融合2\MFCApplication1\MFCApplication1\DirectShow\Include\d3d8.h

     文件      16088  2008-02-27 14:52  L13 系统融合2\MFCApplication1\MFCApplication1\DirectShow\Include\d3d8caps.h

     文件      63735  2008-02-27 14:52  L13 系统融合2\MFCApplication1\MFCApplication1\DirectShow\Include\d3d8types.h

     文件      96132  2008-02-27 14:52  L13 系统融合2\MFCApplication1\MFCApplication1\DirectShow\Include\d3d9.h

     文件      22164  2008-02-27 14:52  L13 系统融合2\MFCApplication1\MFCApplication1\DirectShow\Include\d3d9caps.h

     文件      69800  2008-02-27 14:52  L13 系统融合2\MFCApplication1\MFCApplication1\DirectShow\Include\d3d9types.h

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