//
//??main.cpp
//??handDetection
//
//??Created?by?劉鵬?on?2016/11/27.
//??Copyright???2016年?劉鵬.?All?rights?reserved.
//

#include?
#include?
#include?
#include?


using?namespace?std;
using?namespace?cv;

//?Global?variables
//?Copy?this?file?from?opencv/data/haarscascades?to?target?folder
string?face_cascade_name?=?“/Users/liupeng/Desktop/my/handDetection/handDetection/hand.xml“;
CascadeClassifier?*face_cascade;
string?window_name?=?“Capture?-?Face?detection“;
int?filenumber;?//?Number?of?file?to?be?saved
string?filename;

//?Function?Headers
class?faceDetection
{
private:
????std::vector?faces;
public:
????faceDetection（）;
????~faceDetection（）;
????void?detectAndDisplay（Mat?frame）;
};
faceDetection::faceDetection（）
{
}
faceDetection::~faceDetection（）
{
}

//?Function?detectAndDisplay
void?faceDetection::detectAndDisplay（Mat?frame）
{
????//?報(bào)錯(cuò)問(wèn)題所在，。
????//?std::vector?faces;
????
????Mat?frame_gray;
????Mat?crop;
????Mat?res;
????Mat?gray;
????string?text;
????stringstream?sstm;
????
????cvtColor（frame?frame_gray?COLOR_BGR2GRAY）;
????equalizeHist（frame_gray?frame_gray）;
????
????//?Detect?faces
????face_cascade->detectMultiScale（frame_gray?faces?1.1?2?0?|?CASCADE_SCALE_IMAGE?Size（30?30））;
????
????//?Set?Region?of?Interest
????cv::Rect?roi_b;
????cv::Rect?roi_c;
????
????size_t?ic?=?0;?//?ic?is?index?of?current?element
????int?ac?=?0;?//?ac?is?area?of?current?element
????
????size_t?ib?=?0;?//?ib?is?index?of?biggest?element
????int?ab?=?0;?//?ab?is?area?of?biggest?element
????
????for?（ic?=?0;?ic?????????
????{
????????roi_c.x?=?faces[ic].x;
????????roi_c.y?=?faces[ic].y;
????????roi_c.width?=?（faces[ic].width）;
????????roi_c.height?=?（faces[ic].height）;
????????
????????ac?=?roi_c.width?*?roi_c.height;?//?Get?the?area?of?current?element?（detected?face）
????????
????????roi_b.x?=?faces[ib].x;
????????roi_b.y?=?faces[ib].y;
????????roi_b.width?=?（faces[ib].width）;
????????roi_b.height?=?（faces[ib].height）;
????????
????????ab?=?roi_b.width?*?roi_b.height;?//?Get?the?area?of?biggest?element?at?beginning?it?is?same?as?“current“?element
????????
????????if?（ac?>?ab）
????????{
????????????ib?=?ic;
????????????roi_b.x?=?faces[ib].x;
????????????roi_b.y?=?faces[ib].y;
????????????roi_b.width?=?（faces[ib].width）;
????????????roi_b.height?=?（faces[ib].height）;
????????}
????????
????????crop?=?frame（roi_b）;
????????resize（crop?res?Size（128?128）?0?0?INTER_LINEAR）;?//?This?will?be?needed?later?while?saving?images
????????cvtColor（crop?gray?CV_BGR2GRAY）;?//?Convert?cropped?image?to?Grayscale
????????
????????//?Form?a?filename
????????filename?=?““;
????????stringstream?ssfn;
????????ssfn?<????????filename?=?ssfn.str（）;
????????filenumber++;
????????
????????//?imwrite（filename?gray）;
????????
????????Point?pt1（faces[ic].x?faces[ic].y）;?//?Disp

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2017-07-17?22:31??手勢(shì)識(shí)別（拳頭）\
?????目錄???????????0??2017-07-17?22:22??手勢(shì)識(shí)別（拳頭）\__MACOSX\
?????文件?????????263??2016-11-27?14:53??手勢(shì)識(shí)別（拳頭）\__MACOSX\._hand.mp4
?????文件?????????175??2011-11-29?14:19??手勢(shì)識(shí)別（拳頭）\__MACOSX\._hand.xml
?????文件?????????504??2016-11-27?14:55??手勢(shì)識(shí)別（拳頭）\__MACOSX\._main.cpp
?????文件????10261034??2016-11-27?14:53??手勢(shì)識(shí)別（拳頭）\hand.mp4
?????文件???????72462??2011-11-29?14:19??手勢(shì)識(shí)別（拳頭）\hand.xml
?????文件????????4643??2016-11-27?14:55??手勢(shì)識(shí)別（拳頭）\main.cpp
?????文件?????????825??2017-07-17?22:31??手勢(shì)識(shí)別（拳頭）\video_demo.py
?????文件?????????824??2017-07-17?22:29??手勢(shì)識(shí)別（拳頭）\video_demo.py~