//?opcv1.cpp?:?定義控制臺(tái)應(yīng)用程序的入口點(diǎn)。
//

#include?“stdafx.h“
#include?
#include?
#include?
#include?
#include?
#include?
#include?
#include?“cv.h“
#include?
using?namespace?std;
CvSeq*?findSquares4（?IplImage*?img?CvMemStorage*?storage?int?minarea?int?maxarea?int?minangle?int?maxangle）;
void?drawSquares1（?IplImage*?img?CvSeq*?squares?const?char*?wndname）;
void?findCircle（IplImage*?imgCvMemStorage*?storage）;
int?thresh?=?50;
IplImage*?img?=?0;
IplImage*?img0?=?0;
CvMemStorage*?storage?=?0;
CvPoint?pt[4];
const?char*?wndname?=?“Square?Detection?Demo“;

double?angle（?CvPoint*?pt1?CvPoint*?pt2?CvPoint*?pt0?）
{
????double?dx1?=?pt1->x?-?pt0->x;
????double?dy1?=?pt1->y?-?pt0->y;
????double?dx2?=?pt2->x?-?pt0->x;
????double?dy2?=?pt2->y?-?pt0->y;//
????return?（dx1*dx2?+?dy1*dy2）/sqrt（（dx1*dx1?+?dy1*dy1）*（dx2*dx2?+?dy2*dy2）?+?1e-10）;
//????double?angle_line?=?（dx1*dx2?+?dy1*dy2）/sqrt（（dx1*dx1?+?dy1*dy1）*（dx2*dx2?+?dy2*dy2）?+?1e-10）;//余弦值
//????return?acos（angle_line）*180/3.141592653;
}

//?returns?sequence?of?squares?detected?on?the?image.
//?the?sequence?is?stored?in?the?specified?memory?storage
CvSeq*?findSquares3（?IplImage*?img?CvMemStorage*?storage?）
{
????CvSeq*?contours;
????int?i?c?l?N?=?11;
????CvSize?sz?=?cvSize（?img->width?&?-2?img->height?&?-2?）;
????IplImage*?timg?=?cvCloneImage（?img?）;?//?make?a?copy?of?input?image
????IplImage*?gray?=?cvCreateImage（?sz?8?1?）;		//1/2
????IplImage*?pyr?=?cvCreateImage（?cvSize（sz.width/2?sz.height/2）?8?3?）;		//1/4
????IplImage*?tgray;
????CvSeq*?result;
????double?s?t;
????//?create?empty?sequence?that?will?contain?points?-
????//?4?points?per?square?（the?square‘s?vertices）
????CvSeq*?squares?=?cvCreateSeq（?0?sizeof（CvSeq）?sizeof（CvPoint）?storage?）;
????
????//?select?the?maximum?ROI?in?the?image
????//?with?the?width?and?height?divisible?by?2
????cvSetImageROI（?timg?cvRect（?0?0?sz.width?sz.height?））;	//去圖像1/2大小的圖片，即將圖片分為四份，去左上角的部分????
????//?down-scale?and?upscale?the?image?to?filter?out?the?noise
????cvPyrDown（?timg?pyr?7?）;
????cvPyrUp（?pyr?timg?7?）;
????tgray?=?cvCreateImage（?sz?8?1?）;????
????//?find?squares?in?every?color?plane?of?the?image
????for（?c?=?0;?c?????{
????????//?extract?the?c-th?color?plane
????????cvSetImageCOI（?timg?c+1?）;
????????cvCopy（?timg?tgray?0?）;????????
????????//?try?several?threshold?levels
????????for（?l?=?0;?l?????????{
????????????//?hack:?use?Canny?instead?of?zero?threshold?level.
????????????//?Canny?helps?to?catch?squares?with?gradient?shading???
????????????if（?l?==?0?）
????????????{
????????????????//?apply?Canny.?Take?the?upper?threshold?from?slider
????????????????//?and?set?the?lower?to?0?（which?forces?edges?merging）?//thresh
????????????????cvCanny（?tgray?gray?1000?900?5?）;
//				?cvThreshold（?tgray?gray?（l+

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2016-10-17?10:18??opcv1\
?????目錄???????????0??2016-10-08?18:35??opcv1\Debug\
?????目錄???????????0??2016-10-17?09:37??opcv1\ipch\
?????目錄???????????0??2016-10-17?09:37??opcv1\ipch\opcv1-de206ace\
?????文件?????2359296??2016-10-17?09:37??opcv1\ipch\opcv1-de206ace\opcv1-df31438d.ipch
?????目錄???????????0??2016-10-12?11:47??opcv1\opcv1\
?????文件????18042880??2016-10-17?10:18??opcv1\opcv1.sdf
?????文件????????1236??2016-10-08?18:36??opcv1\opcv1.sln
?????文件???????14336??2016-10-17?10:18??opcv1\opcv1.suo
?????目錄???????????0??2016-10-08?18:35??opcv1\opcv1\Debug\
?????文件????????1402??2016-10-08?18:35??opcv1\opcv1\Debug\cl.command.1.tlog
?????文件???????13984??2016-10-08?18:35??opcv1\opcv1\Debug\CL.read.1.tlog
?????文件?????????714??2016-10-08?18:35??opcv1\opcv1\Debug\CL.write.1.tlog
?????文件???????????2??2016-10-08?18:35??opcv1\opcv1\Debug\link.command.1.tlog
?????文件???????????2??2016-10-08?18:35??opcv1\opcv1\Debug\link.read.1.tlog
?????文件???????????2??2016-10-08?18:35??opcv1\opcv1\Debug\link.write.1.tlog
?????文件???????????2??2016-10-08?18:35??opcv1\opcv1\Debug\opcv1.exe.embed.manifest
?????文件??????????68??2016-10-08?18:35??opcv1\opcv1\Debug\opcv1.exe.embed.manifest.res
?????文件??????????56??2016-10-08?18:35??opcv1\opcv1\Debug\opcv1.lastbuildstate
?????文件????????2702??2016-10-08?18:35??opcv1\opcv1\Debug\opcv1.log
?????文件???????61018??2016-10-08?18:35??opcv1\opcv1\Debug\opcv1.obj
?????文件?????1179648??2016-10-08?18:35??opcv1\opcv1\Debug\opcv1.pch
?????文件???????????0??2016-10-08?18:35??opcv1\opcv1\Debug\opcv1.unsuccessfulbuild
?????文件?????????713??2016-10-08?18:35??opcv1\opcv1\Debug\opcv1.vcxprojResolveAssemblyReference.cache
?????文件???????????0??2016-10-08?18:35??opcv1\opcv1\Debug\opcv1.write.1.tlog
?????文件?????????200??2016-10-08?18:35??opcv1\opcv1\Debug\opcv1_manifest.rc
?????文件?????????484??2016-10-08?18:35??opcv1\opcv1\Debug\rc.command.1.tlog
?????文件?????????258??2016-10-08?18:35??opcv1\opcv1\Debug\rc.read.1.tlog
?????文件?????????266??2016-10-08?18:35??opcv1\opcv1\Debug\rc.write.1.tlog
?????文件???????11743??2016-10-08?18:35??opcv1\opcv1\Debug\stdafx.obj
?????文件??????388096??2016-10-08?18:35??opcv1\opcv1\Debug\vc100.idb
............此處省略75個(gè)文件信息