/*****************************************************************************
*???Number?Plate?Recognition?using?SVM?and?Neural?Networks
******************************************************************************
*???by?David?Mill醤?Escriv??5th?Dec?2012
*???http://blog.damiles.com
******************************************************************************
*???Ch5?of?the?book?“Mastering?OpenCV?with?Practical?Computer?Vision?Projects“
*???Copyright?Packt?Publishing?2012.
*???http://www.packtpub.com/cool-projects-with-opencv/book
*****************************************************************************/

#include?“DetectRegions.h“

void?DetectRegions::setFilename（string?s）
{
????????filename=s;
}

DetectRegions::DetectRegions（）
{
????showSteps=false;
????saveRegions=false;
}

bool?DetectRegions::verifySizes（RotatedRect?mr）
{

	float?error?=?（float）0.4;
????//Spain?car?plate?size:?52x11?aspect?47272
	float?aspect?=?（float）4.7272;
????//Set?a?min?and?max?area.?All?other?patchs?are?discarded
	int?min?=?（int）（15*aspect?*?15）;?//?minimum?area
	int?max?=?（int）（125?*?aspect?*?125）;?//?maximum?area
????//Get?only?patchs?that?match?to?a?respect?ratio.
????float?rmin=?aspect-aspect*error;
????float?rmax=?aspect+aspect*error;

	int?area?=?（int）（mr.size.height?*?mr.size.width）;
????float?r=?（float）mr.size.width?/?（float）mr.size.height;
????if（r<1）
????????r=?（float）mr.size.height?/?（float）mr.size.width;

????if（（?area??max?）?||?（?r??rmax?））
	{
????????return?false;
????}
	else
	{
????????return?true;
????}

}

Mat?DetectRegions::histeq（Mat?in）
{
????Mat?out（in.size（）?in.type（））;
????if（in.channels（）==3）{
????????Mat?hsv;
????????vector?hsvSplit;
????????cvtColor（in?hsv?CV_BGR2HSV）;
????????split（hsv?hsvSplit）;
????????equalizeHist（hsvSplit[2]?hsvSplit[2]）;
????????merge（hsvSplit?hsv）;
????????cvtColor（hsv?out?CV_HSV2BGR）;
????}else?if（in.channels（）==1）{
????????equalizeHist（in?out）;
????}

????return?out;

}

vector?DetectRegions::segment（Mat?input）
{
????vector?output;

????//convert?image?to?gray
????Mat?img_gray;
????cvtColor（input?img_gray?CV_BGR2GRAY）;
????blur（img_gray?img_gray?Size（55））;????

????//Finde?vertical?lines.?Car?plates?have?high?density?of?vertical?lines
????Mat?img_sobel;
????Sobel（img_gray?img_sobel?CV_8U?1?0?3?1?0?BORDER_DEFAULT）;
????if（showSteps）
????????imshow（“Sobel“?img_sobel）;

????//threshold?image
????Mat?img_threshold;
????threshold（img_sobel?img_threshold?0?255?CV_THRESH_OTSU+CV_THRESH_BINARY）;
????if（showSteps）
????????imshow（“Threshold“?img_threshold）;

????//Morphplogic?operation?close
????Mat?element?=?getStructuringElement（MORPH_RECT?Size（17?3）?）;
????morphologyEx（img_threshold?img_threshold?CV_MOP_CLOSE?element）;
????if（showSteps）
????????imshow（“Close“?img_threshold）;

????//Find?contours?of?possibles?plates
????vector?>?contours;
????findContours（img_threshold
????????????contours?//?a?vector?of?contours
?????????

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

?????文件?????293009??2012-12-29?04:28??車牌檢測\opencv_3.0模板\3028BYS.JPG

?????文件?????393261??2012-12-29?04:28??車牌檢測\opencv_3.0模板\3154FFY.JPG

?????文件?????319706??2012-12-29?04:28??車牌檢測\opencv_3.0模板\3266CNT.JPG

?????文件?????281617??2012-12-29?04:28??車牌檢測\opencv_3.0模板\3732FWW.JPG

?????文件????????851??2012-12-29?04:28??車牌檢測\opencv_3.0模板\CMakeLists.txt

?????文件???????2184??2016-11-16?14:07??車牌檢測\opencv_3.0模板\Debug\opencv_3.0模板.log

?????文件???????1254??2016-11-16?14:07??車牌檢測\opencv_3.0模板\Debug\opencv_3.0模板.tlog\cl.command.1.tlog

?????文件??????31766??2016-11-16?14:07??車牌檢測\opencv_3.0模板\Debug\opencv_3.0模板.tlog\CL.read.1.tlog

?????文件????????886??2016-11-16?14:07??車牌檢測\opencv_3.0模板\Debug\opencv_3.0模板.tlog\CL.write.1.tlog

?????文件??????????2??2016-11-16?14:07??車牌檢測\opencv_3.0模板\Debug\opencv_3.0模板.tlog\link.command.1.tlog

?????文件??????????2??2016-11-16?14:07??車牌檢測\opencv_3.0模板\Debug\opencv_3.0模板.tlog\link.read.1.tlog

?????文件??????????2??2016-11-16?14:07??車牌檢測\opencv_3.0模板\Debug\opencv_3.0模板.tlog\link.write.1.tlog

?????文件????????169??2016-11-16?14:07??車牌檢測\opencv_3.0模板\Debug\opencv_3.0模板.tlog\opencv_3.0模板.lastbuildstate

?????文件??????????0??2016-11-16?14:07??車牌檢測\opencv_3.0模板\Debug\opencv_3.0模板.tlog\unsuccessfulbuild

?????文件?????691200??2016-11-16?14:07??車牌檢測\opencv_3.0模板\Debug\vc120.idb

?????文件?????716800??2016-11-16?14:07??車牌檢測\opencv_3.0模板\Debug\vc120.pdb

?????文件?????201819??2016-11-16?14:07??車牌檢測\opencv_3.0模板\Debug\模板.obj

?????文件???????8143??2017-03-12?21:35??車牌檢測\opencv_3.0模板\DetectRegions.cpp

?????文件???????1170??2017-03-11?21:52??車牌檢測\opencv_3.0模板\DetectRegions.h

?????文件?????365670??2012-12-29?04:28??車牌檢測\opencv_3.0模板\DSC_0562.jpg

?????文件?????386667??2012-12-29?04:28??車牌檢測\opencv_3.0模板\DSC_0566.jpg

?????文件???????2670??2017-03-17?15:15??車牌檢測\opencv_3.0模板\evalOCR.cpp

?????文件????1043456??2016-12-12?21:20??車牌檢測\opencv_3.0模板\libfacedetect-x64.dll

?????文件???????4191??2017-12-07?15:48??車牌檢測\opencv_3.0模板\main.cpp

?????文件??????10539??2017-03-17?13:50??車牌檢測\opencv_3.0模板\OCR.cpp

?????文件???????1973??2017-03-16?19:00??車牌檢測\opencv_3.0模板\OCR.h

?????文件????3392688??2012-12-29?04:28??車牌檢測\opencv_3.0模板\OCR.xml

?????文件???????9644??2017-12-07?15:51??車牌檢測\opencv_3.0模板\opencv_3.0模板.vcxproj

?????文件???????2287??2017-03-12?21:22??車牌檢測\opencv_3.0模板\opencv_3.0模板.vcxproj.filters

?????文件????????165??2016-12-13?19:21??車牌檢測\opencv_3.0模板\opencv_3.0模板.vcxproj.user

............此處省略69個文件信息