From b35d87f91a35396e0003e2f50d630144d2459a56 Mon Sep 17 00:00:00 2001
From: am0ebe <am0ebe@gmx.de>
Date: Mon, 17 Jan 2022 15:40:18 +0100
Subject: [PATCH] .
---
examples/Demo.cpp | 195 ++++++++++++++++++------------------
opencv | 36 +++++++
src/algorithms/ttoolbox.cpp | 6 +-
3 files changed, 139 insertions(+), 98 deletions(-)
create mode 100644 opencv
diff --git a/examples/Demo.cpp b/examples/Demo.cpp
index 1b0cbc3..b9b89b5 100644
--- a/examples/Demo.cpp
+++ b/examples/Demo.cpp
@@ -36,21 +36,21 @@ int g_badSignalFlagAbort = 0;
void my_handler(int signum);
-char* getCmdOption(char ** begin, char ** end, const std::string & option);
+char* getCmdOption(char ** begin, char ** end, const string & option);
-bool cmdOptionExists(char** begin, char** end, const std::string& option);
+bool cmdOptionExists(char** begin, char** end, const string& option);
-std::vector<char> copyDataInBuffer(struct archive *aw);
+vector<char> copyDataInBuffer(struct archive *aw);
//! we convert our actual jpg file number to framenumber
-int toFrameNumber(std::string filename);
+int toFrameNumber(string filename);
int main(int argc, char * argv[])
{
signal(SIGUSR1, my_handler);
- std::cout << "using processcenter " << PROCESS_CENTER_VERSION_MAJOR <<"."<< PROCESS_CENTER_VERSION_MINOR<<"."<<PROCESS_CENTER_VERSION_MINOR_FIXES<< endl;
- std::cout << "Using OpenCV " << CV_MAJOR_VERSION << "." << CV_MINOR_VERSION << "." << CV_SUBMINOR_VERSION << std::endl;
+ cout << "Using OpenCV " << CV_MAJOR_VERSION << "." << CV_MINOR_VERSION << "." << CV_SUBMINOR_VERSION << endl;
+ cout << "Using processcenter " << PROCESS_CENTER_VERSION_MAJOR << "." << PROCESS_CENTER_VERSION_MINOR<< "." <<PROCESS_CENTER_VERSION_MINOR_FIXES<< endl << endl;
//!** parse programm input****************/
@@ -61,8 +61,8 @@ int main(int argc, char * argv[])
|| !cmdOptionExists(argv, argv+argc, "-o")
|| !cmdOptionExists(argv, argv+argc, "-p"))
{
- cout <<" Usage:" << endl;
- cout << " " << argv[0] << " -i in.tar -a amount -c center.xml -o outPath -p camparameterFile.xml"<< endl << endl;
+ cout << " Usage:" << endl;
+ cout << " " << argv[0] << " -i in.tar -a amount -c center.xml -o outPath -p camparameterFile.xml" << endl << endl;
cout << " Options:" << endl;
cout << " i - input tarfile/dir containing tars ?" << endl;
cout << " a - amount of files/frames ?" << endl;
@@ -74,7 +74,7 @@ int main(int argc, char * argv[])
}
char *testFile = getCmdOption(argv, argv + argc, "-i");
- std::string inputFile(".");
+ string inputFile(".");
if (testFile)
{
//test dir exists
@@ -92,7 +92,7 @@ int main(int argc, char * argv[])
char *centerFile = getCmdOption(argv, argv + argc, "-c");
- std::string centerFileString(".");
+ string centerFileString(".");
if (centerFile)
{
//test dir exists
@@ -100,7 +100,7 @@ int main(int argc, char * argv[])
}
char *testOutputDir = getCmdOption(argv, argv + argc, "-o");
- std::string outputDir(".");
+ string outputDir(".");
if (testOutputDir)
{
//test dir exists
@@ -108,7 +108,7 @@ int main(int argc, char * argv[])
}
char *camerFile = getCmdOption(argv, argv + argc, "-p");
- std::string cameraParameterFile(".");
+ string cameraParameterFile(".");
if (camerFile)
{
//test dir exists
@@ -116,7 +116,7 @@ int main(int argc, char * argv[])
}
- cout <<"args: -i "<<inputFile<<" -a "<<amountFiles << " -c" << centerFileString<<" -o " << outputDir <<" -p " << cameraParameterFile << endl;
+ cout << "args: -i " <<inputFile<< " -a " <<amountFiles << " -c" << centerFileString<< " -o " << outputDir << " -p " << cameraParameterFile << endl;
//!**** end parse input***********/
//libarchive things
@@ -141,10 +141,12 @@ int main(int argc, char * argv[])
//and open the handler
if ((r = archive_read_open_filename(archive, filename, 10240)))
{
- cerr<<"archive_read_open_filename: error: "<< archive_error_string(archive) <<" will abort"<< endl;
+ cerr<< "archive_read_open_filename: error: " << archive_error_string(archive) << " will abort" << endl;
exit(1);
}
+
+
/* #### Background Subtraction Methods #####
Codebook is new!
@@ -180,25 +182,25 @@ int main(int argc, char * argv[])
int circleCenterX = 880;
int circleCenterY = 750;
int circleRadius = 700;
- cv::String configFileNameCenter(centerFileString);
+ cv::String configFileNameCenter(centerFileString);
//read the config
- cout << "parameter of centerConfigFile.xml" << endl;
+ cout << "parameter of centerConfigFile.xml" << endl;
FileStorage fsCen;
fsCen.open(configFileNameCenter, FileStorage::READ);
if (!fsCen.isOpened())
{
- cout << "error during open " << centerFileString << " will abort" << endl;
+ cout << "error during open " << centerFileString << " will abort" << endl;
return EXIT_FAILURE;
}
circleCenterX = (int) fsCen["circleCenterX"];
- cout <<"circleCenterX: "<< circleCenterX << endl;
+ cout << "circleCenterX: " << circleCenterX << endl;
circleCenterY = (int) fsCen["circleCenterY"];
- cout <<"circleCenterY: "<< circleCenterY << endl;
+ cout << "circleCenterY: " << circleCenterY << endl;
circleRadius = (int) fsCen["circleRadius"];
- cout <<"circleRadius: "<< circleRadius << endl;
+ cout << "circleRadius: " << circleRadius << endl;
fsCen.release();
@@ -206,33 +208,33 @@ int main(int argc, char * argv[])
cv::String camParam (cameraParameterFile);
Mat intrinsicsCameraMatrix, distortionCoeff;
{
- cout << "read cam parameter of: "<< cameraParameterFile << endl;
+ cout << "read cam parameter of: " << cameraParameterFile << endl;
FileStorage fs;
fs.open(camParam, FileStorage::READ);
if (!fs.isOpened())
{
- cerr << "error during open " << cameraParameterFile << " will abort" << endl;
+ cerr << "error during open " << cameraParameterFile << " will abort" << endl;
return -1;
}
- // fs["camera_matrix"] >> intrinsicsCameraMatrix;
- // fs["distortion_coefficients"] >> distortionCoeff;
+ fs["camera_matrix"] >> intrinsicsCameraMatrix;
+ fs["distortion_coefficients"] >> distortionCoeff;
- intrinsicsCameraMatrix = (int) fs["camera_matrix"];
+ // intrinsicsCameraMatrix = (int) fs["camera_matrix"];
// intrinsicsCameraMatrix = fs["camera_matrix"].mat();
- cout << "camera_matrix = "<< intrinsicsCameraMatrix << endl;
+ cout << "camera_matrix = " << intrinsicsCameraMatrix << endl;
- distortionCoeff = (int) fs["distortion_coefficients"];
+ // distortionCoeff = (int) fs["distortion_coefficients"];
// distortionCoeff = fs["distortion_coefficients"].mat();
cout << "distortion_coefficients = " << distortionCoeff << endl;
}
cout.flush();
- cout <<"a) we process all frames "<<endl;
+ cout << "a) we process all frames " << endl;
int everyPic= 60*5;
- //std::string fileName;
+ //string fileName;
int frameCounter=0;
int myFileTarWriterHeaderCounter = 0;
int frameCounterOld = -1;
@@ -240,13 +242,15 @@ int main(int argc, char * argv[])
vector<string> myFileListNoContour; //list for no contours found;
vector<string> myFileListAfterContourSelection; //list for no contours found after selection;
+ cout << "here" << endl;
+ system("pause");
//loop over all picture of the tar archive, independing how many this are
for (;;)
{
//measure time consumption
clock_t begin = clock(); //for every single file
- std::vector<char> vec;
+ vector<char> vec;
//we read the next header
r = archive_read_next_header(archive, &entry);
@@ -254,20 +258,21 @@ int main(int argc, char * argv[])
break;
if (r != ARCHIVE_OK)
{
- cerr << "archive_read_next_header: error: "<< archive_error_string(archive) <<" will abort"<< endl;
+ cerr << "archive_read_next_header: error: " << archive_error_string(archive) << " will abort" << endl;
exit(1);
}
+ cout << "here2" << endl;
// get filename
const char *fileNamePtr = archive_entry_pathname(entry);
- std::string filename(fileNamePtr,strlen(fileNamePtr) );
- //cout << "fileName: "<< filename <<endl;
+ string filename(fileNamePtr,strlen(fileNamePtr) );
+ //cout << "fileName: " << filename <<endl;
// convert it to a framenumber
frameCounter = toFrameNumber(filename);
if(frameCounterOld>frameCounter)
{
- cerr <<" error during read in the file number, we do have non montonic order, will abort";
+ cerr << " error during read in the file number, we do have non montonic order, will abort";
exit(1);
}
@@ -276,7 +281,7 @@ int main(int argc, char * argv[])
r = archive_write_header(ext, entry);
if (r != ARCHIVE_OK)
{
- cerr<<"archive_write_header() error: "<< archive_error_string(ext)<<endl;
+ cerr<< "archive_write_header() error: " << archive_error_string(ext)<<endl;
myFileTarWriterHeaderCounter++;
continue; //we overjump all in our for loop
}
@@ -288,7 +293,7 @@ int main(int argc, char * argv[])
r = archive_write_finish_entry(ext);
if (r != ARCHIVE_OK)
{
- cerr<<"archive_write_finish_entry: error: "<< archive_error_string(ext) <<" will abort"<< endl;
+ cerr<< "archive_write_finish_entry: error: " << archive_error_string(ext) << " will abort" << endl;
exit(1);
}
@@ -296,10 +301,10 @@ int main(int argc, char * argv[])
Mat img_input = imdecode(Mat(vec), 1);
// //we define the type better to prevent error
- // fileName = std::string(inputFile + TToolBox::getFileName(frameCounter));
+ // fileName = string(inputFile + TToolBox::getFileName(frameCounter));
// cv::String fileNameCV(fileName);
- cout <<"\t"<<frameCounter<<"\tof \t"<<amountFiles<<" load file :"<< filename<<endl;
+ cout << "\t" << frameCounter << "\tof \t" << amountFiles << " load file :" << filename << endl;
//of data is present
if(img_input.data )
@@ -329,10 +334,10 @@ int main(int argc, char * argv[])
double threshholdMin = 150;
double threshholdMax = 200;
int apertureSize = 3;
- std::vector<vector<Point> > contours = TToolBox::applyCannyEdgeAndCalcCountours(img_mask,threshholdMin,threshholdMax,apertureSize);
+ vector<vector<Point> > contours = TToolBox::applyCannyEdgeAndCalcCountours(img_mask,threshholdMin,threshholdMax,apertureSize);
- //define what we will write down
- std::vector<vector<Point> > contourSelection;
+ //define what will be written
+ vector<vector<Point> > contourSelection;
vector<Point2f> massCenters;
vector<Point> conHull;
Point2f muConvexHullMassCenter(0.0,0.0);
@@ -340,10 +345,10 @@ int main(int argc, char * argv[])
if(!contours.empty())
{
- //! step 4) we make a selection out of all counters with area sizes******************************
+ //! step 4) we make a selection out of all contours with area sizes******************************
- //we calc all min rotated rectangles for all contour from candy egde detect
- //we exlcude very small one and very big ones
+ //calc all min rotated rectangles for all contour from canny edge detect
+ //exclude very small/big
vector<RotatedRect> minRect( contours.size() );
//calc boxes around the contours
@@ -371,13 +376,13 @@ int main(int argc, char * argv[])
//over stepp all small areas
if(area0<areaMinThreshold||area0>areaMaxThreshold)
{
- //cout<<i<<":area0:"<<area0<<" dismissed "<<endl;
+ //cout<<i<< ":area0:" <<area0<< " dismissed " <<endl;
//skipe if the area is too small
continue;
}
else
{
- //cout<<i<<":area0:"<<area0<<" choose "<<endl;
+ //cout<<i<< ":area0:" <<area0<< " choose " <<endl;
//get the center of this rectangle
Point2f center = minRect[i].center;
@@ -438,13 +443,13 @@ int main(int argc, char * argv[])
}
else //end after selection is empty
{
- cerr<<"error, no contour found after selection in file: "<< filename<<endl;
+ cerr<< "error, no contour found after selection in file: " << filename<<endl;
myFileListAfterContourSelection.push_back(filename);
}
}//end if contours are empty, to canny edge found nothing
else
{
- cerr<<"error, no contour found at all in file: "<< filename<<endl;
+ cerr<< "error, no contour found at all in file: " << filename<<endl;
myFileListNoContour.push_back(filename);
}
@@ -463,29 +468,29 @@ int main(int argc, char * argv[])
//we draw it
cv::String outpath2= outputDir;
- std::ostringstream convert2;
- convert2 << outpath2 <<TToolBox::mNzero(frameCounter) <<"_convex_hull.jpg";
+ ostringstream convert2;
+ convert2 << outpath2 << TToolBox::mNzero(frameCounter) << "_convex_hull.jpg";
cv::imwrite(convert2.str().c_str(), imgConvexHull);
}
else
- cout<<"convex hull has no points will skip file: "<<i<<endl;
+ cout<< "convex hull has no points will skip file: " << i<< endl;
#endif
- //cout <<" found center at : "<< massCenters.at(0).x<< ";"<<massCenters.at(0).y<<endl;
+ //cout << " found center at : " << massCenters.at(0).x<< ";" << massCenters.at(0).y<< endl;
//! step 8: we write down all our results in yml file
- std::string nameOutPutFileData = outputDir + TToolBox::mNzero(frameCounter) + ".yml";
+ string nameOutPutFileData = outputDir + TToolBox::mNzero(frameCounter) + ".yml";
- //cout <<"output file:" << nameOutPutFileData;
+ //cout << "output file:" << nameOutPutFileData;
FileStorage fs(nameOutPutFileData.c_str(), FileStorage::WRITE);
- fs << "masscenters" << massCenters;
- fs << "polygonselection"<< contourSelection;
- fs << "convexhull"<<conHull;
- fs << "masscenterconvexhull"<<muConvexHullMassCenter;
+ fs << "masscenters" << massCenters;
+ fs << "polygonselection" << contourSelection;
+ fs << "convexhull" << conHull;
+ fs << "masscenterconvexhull" << muConvexHullMassCenter;
fs.release();
- //! we write from time to time a dbg picture
+ //! occasionaly write a dbg picture
if(frameCounter%everyPic==0)
{
Scalar colorRed( 0,0,255,255 );//red
@@ -504,7 +509,7 @@ int main(int argc, char * argv[])
circle( imgDebugPaint2, massCenters[i], 4, color, -1, 8, 0 );
}
- //we write the convex hull
+ // write the convex hull
if(!conHull.empty())
{
//the poly
@@ -513,26 +518,26 @@ int main(int argc, char * argv[])
circle( imgDebugPaint2,muConvexHullMassCenter, 4, colorRed, -1, 8, 0 );
}
- //we make a copy
+ // copy
Mat imgOverlay2 = img_input.clone();
- //we add a overlay of our paitings
+ // add overlay of paintings
addWeighted( imgDebugPaint2, 0.7, imgOverlay2, 0.3, 0.0, imgOverlay2);
- //we write the file down
- std::string nameOutPutFileDBGpic = outputDir + TToolBox::mNzero(frameCounter) + std::string(".jpg");
+ // writeout file
+ string nameOutPutFileDBGpic = outputDir + TToolBox::mNzero(frameCounter) + string(".jpg");
imwrite(nameOutPutFileDBGpic.c_str(),imgOverlay2);
- }//end if we write a dbg picture
+ }//end if dbg picture
}//end if the loaded picture has data
else
{
- cerr<<"error loading file: "<< filename<<", will skip this file"<<endl;
+ cerr<< "error loading file: " << filename<< ", will skip this file" << endl;
myFileErrorList.push_back(filename);
}
- //calc the time which we used for a picture
+ //calc the time which we used for a picture //TODO move out of loop
clock_t end = clock();
double elapsedSecs = double(end - begin) / CLOCKS_PER_SEC;
@@ -540,7 +545,7 @@ int main(int argc, char * argv[])
//calc the time which was used for all pictures
clock_t endAll = clock();
double elapsedSecTotal = double(endAll - beginAll) / CLOCKS_PER_SEC;
- cout <<"process single pic:\t"<<elapsedSecs<<" s - \t\t"<<(int)(elapsedSecTotal/60)<<" min -\t"<<(int)(elapsedSecTotal/60/60)<<" h"<<endl;
+ cout << "process single pic:\t" << elapsedSecs<< " s - \t\t" << (int)(elapsedSecTotal/60)<< " min -\t" << (int)(elapsedSecTotal/60/60)<< " h" << endl;
if(g_badSignalFlagAbort)
frameCounter = amountFiles; //we abort
@@ -552,38 +557,38 @@ int main(int argc, char * argv[])
//finishing time
clock_t endAll = clock();
double elapsed = double(endAll - beginAll) / CLOCKS_PER_SEC;
- cout <<"process : "<<amountFiles<<" files took:\t"<<(int)(elapsed/60)<<" min -\t"<<(int)(elapsed/60/60)<<" h \n in total"<<endl;
+ cout << "process : " << amountFiles<< " files took:\t" << (int)(elapsed/60)<< " min -\t" << (int)(elapsed/60/60)<< " h \n in total" << endl;
// //we write the random file list to a file
- // std::string nameOutRandomFile = outputDir + "randlist.yml";
+ // string nameOutRandomFile = outputDir + "randlist.yml";
// FileStorage fs(nameOutRandomFile.c_str(), FileStorage::WRITE);
- // fs << "randomlist" << myRandomTrainList;
+ // fs << "randomlist" << myRandomTrainList;
// fs.release();
//TODO we should merge the file
- cout<< "amount of libarchive read header errors :"<< myFileTarWriterHeaderCounter;
+ cout<< "amount of libarchive read header errors :" << myFileTarWriterHeaderCounter;
- //we write the random file list to a file
- std::string nameOutErrorList = outputDir + "fileErrorList.yml";
- cout <<"amount of file errors: "<< myFileErrorList.size()<<endl;
+ // write the random file list to a file
+ string nameOutErrorList = outputDir + "fileErrorList.yml";
+ cout << "amount of file errors: " << myFileErrorList.size()<< endl;
FileStorage fs2(nameOutErrorList.c_str(), FileStorage::WRITE);
- fs2 << "fileErrorIOs" << myFileErrorList;
+ fs2 << "fileErrorIOs" << myFileErrorList;
- //we write error list no contours found in file
- cout <<"amount contour errors with canny edge: "<< myFileListNoContour.size()<<endl;
- fs2 << "fileErrorNoContours" << myFileListNoContour;
+ // write error list no contours found in file
+ cout << "amount contour errors with canny edge: " << myFileListNoContour.size() << endl;
+ fs2 << "fileErrorNoContours" << myFileListNoContour;
- //we write error list no contours found in file
- cout <<"amount contour errors after selection: "<< myFileListAfterContourSelection.size()<<endl;
- fs2 << "fileErrorNoContoursAfterSelections" << myFileListAfterContourSelection;
+ // write error list no contours found in file
+ cout << "amount contour errors after selection: " << myFileListAfterContourSelection.size() << endl;
+ fs2 << "fileErrorNoContoursAfterSelections" << myFileListAfterContourSelection;
- //the bgs related things
+ // bgs related things
delete bgs;
- //opencv related things
+ // opencv related things
fs2.release();
- // capture.release();
+
cvDestroyAllWindows();
//close lib archive related things
@@ -598,11 +603,11 @@ int main(int argc, char * argv[])
-std::vector<char> copyDataInBuffer(struct archive *aw)
+vector<char> copyDataInBuffer(struct archive *aw)
{
int r;
const void *buff;
- std::vector<char> vec;
+ vector<char> vec;
size_t size;
#if ARCHIVE_VERSION_NUMBER >= 3000000
int64_t offset;
@@ -641,13 +646,13 @@ void my_handler(int signum)
if (signum == SIGUSR1)
{
g_badSignalFlagAbort = 1;
- cerr << "receive signal to abort"<<endl;
+ cerr << "receive signal to abort" << endl;
}
}
-char* getCmdOption(char ** begin, char ** end, const std::string & option)
+char* getCmdOption(char ** begin, char ** end, const string & option)
{
- char ** itr = std::find(begin, end, option);
+ char ** itr = find(begin, end, option);
if (itr != end && ++itr != end)
{
return *itr;
@@ -655,12 +660,12 @@ char* getCmdOption(char ** begin, char ** end, const std::string & option)
return 0;
}
-bool cmdOptionExists(char** begin, char** end, const std::string& option)
+bool cmdOptionExists(char** begin, char** end, const string& option)
{
- return std::find(begin, end, option) != end;
+ return find(begin, end, option) != end;
}
-int toFrameNumber(std::string filename)
+int toFrameNumber(string filename)
{
int retVal = -1;
@@ -670,9 +675,9 @@ int toFrameNumber(std::string filename)
filename = regex_replace(filename, regex("jpg"), "");
filename = regex_replace(filename, regex("\\."), "");
- retVal = std::stoi( filename );
+ retVal = stoi( filename );
- //cout <<"filename out:" << filename << " number: "<< retVal << endl;
+ //cout << "filename out:" << filename << " number: " << retVal << endl;
return retVal;
}
diff --git a/opencv b/opencv
new file mode 100644
index 0000000..24f4ea4
--- /dev/null
+++ b/opencv
@@ -0,0 +1,36 @@
+point2f(y,x) # inverted!
+
+Types:
+ #depth
+ CV_8U unsigned char
+ CV_8S char
+ CV_16U unsigned short
+ CV_16S short
+ CV_32S int
+ CV_32F float
+ CV_64F double
+ # + channels C1..4 eg RGBA:
+
+Camera Calibration:
+ distortion_coefficients - 5 values
+ camera_matrix - 3x3 matrix - eg focal length etc.
+
+ might need to calibrate using chess board, to get values
+ sa
+ https://github.com/abidrahmank/OpenCV2-Python-Tutorials/blob/master/source/py_tutorials/py_calib3d/py_calibration/py_calibration.rst
+
+
+
+roi - region of interest - x, y, w, h
+
+BS:
+https://docs.opencv.org/4.x/d1/dc5/tutorial_background_subtraction.html
+https://web.archive.org/web/20140418093037/http://bmc.univ-bpclermont.fr/
+https://web.archive.org/web/20140221195750/http://docs.opencv.org/trunk/doc/tutorials/video/background_subtraction/background_subtraction.html
+
+https://www.pyimagesearch.com/2020/07/27/opencv-grabcut-foreground-segmentation-and-extraction/
+https://learnopencv.com/applications-of-foreground-background-separation-with-semantic-segmentation/
+https://docs.opencv.org/4.x/d2/d55/group__bgsegm.html
+
+tuts:))
+https://docs.opencv.org/4.x/d6/d00/tutorial_py_root.html
diff --git a/src/algorithms/ttoolbox.cpp b/src/algorithms/ttoolbox.cpp
index 2fc4ab5..a23ab1d 100644
--- a/src/algorithms/ttoolbox.cpp
+++ b/src/algorithms/ttoolbox.cpp
@@ -47,7 +47,7 @@ std::vector<std::vector<cv::Point>> TToolBox::applyCannyEdgeAndCalcCountours(cv:
#ifdef MC_SHOW_STEP_ANALYSE
// Draw contours on extra mat
cv::Mat imgContour = cv::Mat::zeros( imgCannyEdge.size(), CV_8UC3 );
- imgContour = cv::Scalar(255,255,255); //fille the picture
+ imgContour = cv::Scalar(255,255,255); //fill the picture
cv::RNG rng(232323);
for( size_t i = 0; i< contours.size(); i++ )
{
@@ -57,8 +57,8 @@ std::vector<std::vector<cv::Point>> TToolBox::applyCannyEdgeAndCalcCountours(cv:
cv::drawContours( imgContour, contours, i, color, 1, cv::LINE_AA, hierarchy, 0, cv::Point() );
}
-
- cv::String outpath= "/homes/tb55xemi/work/dev/bgslibrary-bgslib_qtgui_2.0.0/build/test0815/results";
+ // bgslibrary-bgslib_qtgui_2.0.0
+ cv::String outpath = "./";
std::ostringstream convert;
convert << outpath << "test_countour_canny_edge.jpg";
cv::imwrite(convert.str().c_str(), imgContour);
--
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