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May 27, 2018 14:22
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Aruco painting
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/** | |
Copyright 2017 Rafael Muñoz Salinas. All rights reserved. | |
Redistribution and use in source and binary forms, with or without modification, are | |
permitted provided that the following conditions are met: | |
1. Redistributions of source code must retain the above copyright notice, this list of | |
conditions and the following disclaimer. | |
2. Redistributions in binary form must reproduce the above copyright notice, this list | |
of conditions and the following disclaimer in the documentation and/or other materials | |
provided with the distribution. | |
THIS SOFTWARE IS PROVIDED BY Rafael Muñoz Salinas ''AS IS'' AND ANY EXPRESS OR IMPLIED | |
WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND | |
FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL Rafael Muñoz Salinas OR | |
CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | |
CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR | |
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON | |
ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING | |
NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF | |
ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
The views and conclusions contained in the software and documentation are those of the | |
authors and should not be interpreted as representing official policies, either expressed | |
or implied, of Rafael Muñoz Salinas. | |
*/ | |
#include "aruco.h" | |
#include "cvdrawingutils.h" | |
#include <fstream> | |
#include <iostream> | |
#include <opencv2/highgui/highgui.hpp> | |
#include <opencv2/imgproc/imgproc.hpp> | |
#include <sstream> | |
#include <string> | |
#include <stdexcept> | |
using namespace std; | |
using namespace cv; | |
using namespace aruco; | |
MarkerDetector MDetector; | |
VideoCapture TheVideoCapturer; | |
vector<Marker> TheMarkers; | |
Mat TheInputImage,TheInputImageGrey, TheInputImageCopy; | |
CameraParameters TheCameraParameters; | |
void cvTackBarEvents(int pos, void*); | |
string dictionaryString; | |
int iDetectMode=0,iMinMarkerSize=0,iCorrectionRate=0,iShowAllCandidates=0,iEnclosed=0,iThreshold,iCornerMode,iDictionaryIndex=0; | |
int waitTime = 0; | |
bool showMennu=false,bPrintHelp=false,isVideo=false; | |
class CmdLineParser{int argc;char** argv;public:CmdLineParser(int _argc, char** _argv): argc(_argc), argv(_argv){} bool operator[](string param) {int idx = -1; for (int i = 0; i < argc && idx == -1; i++)if (string(argv[i]) == param)idx = i;return (idx != -1);} string operator()(string param, string defvalue = "-1") {int idx = -1;for (int i = 0; i < argc && idx == -1; i++)if (string(argv[i]) == param)idx = i;if (idx == -1)return defvalue;else return (argv[idx + 1]);}}; | |
struct TimerAvrg{std::vector<double> times;size_t curr=0,n; std::chrono::high_resolution_clock::time_point begin,end; TimerAvrg(int _n=30){n=_n;times.reserve(n); }inline void start(){begin= std::chrono::high_resolution_clock::now(); }inline void stop(){end= std::chrono::high_resolution_clock::now();double duration=double(std::chrono::duration_cast<std::chrono::microseconds>(end-begin).count())*1e-6;if ( times.size()<n) times.push_back(duration);else{ times[curr]=duration; curr++;if (curr>=times.size()) curr=0;}}double getAvrg(){double sum=0;for(auto t:times) sum+=t;return sum/double(times.size());}}; | |
TimerAvrg Fps; | |
cv::Mat resize(const cv::Mat& in, int width) | |
{ | |
if (in.size().width <= width) | |
return in; | |
float yf = float(width) / float(in.size().width); | |
cv::Mat im2; | |
cv::resize(in, im2, cv::Size(width, static_cast<int>(in.size().height * yf))); | |
return im2; | |
} | |
/************************************ | |
* | |
* | |
* | |
* | |
************************************/ | |
void setParamsFromGlobalVariables(aruco::MarkerDetector &md){ | |
md.setDetectionMode((DetectionMode)iDetectMode,float(iMinMarkerSize)/1000.); | |
md.getParameters().setCornerRefinementMethod( (aruco::CornerRefinementMethod) iCornerMode); | |
md.getParameters().detectEnclosedMarkers(iEnclosed); | |
md.getParameters().ThresHold=iThreshold; | |
if ( aruco::Dictionary::getTypeFromString( md.getParameters().dictionary)!=Dictionary::CUSTOM) | |
md.setDictionary((aruco::Dictionary::DICT_TYPES) iDictionaryIndex,float(iCorrectionRate)/10. ); // sets the dictionary to be employed (ARUCO,APRILTAGS,ARTOOLKIT,etc) | |
} | |
void createMenu(){ | |
cv::createTrackbar("Dictionary", "menu", &iDictionaryIndex, 13, cvTackBarEvents); | |
cv::createTrackbar("DetectMode", "menu", &iDetectMode, 2, cvTackBarEvents); | |
cv::createTrackbar("CornerMode", "menu", &iCornerMode, 2, cvTackBarEvents); | |
cv::createTrackbar("MinMarkerSize", "menu", &iMinMarkerSize, 1000, cvTackBarEvents); | |
cv::createTrackbar("Threshold", "menu", &iThreshold, 40, cvTackBarEvents); | |
cv::createTrackbar("ErrorRate", "menu", &iCorrectionRate, 10, cvTackBarEvents); | |
cv::createTrackbar("Enclosed", "menu", &iEnclosed, 1, cvTackBarEvents); | |
cv::createTrackbar("ShowAll", "menu", &iShowAllCandidates, 1, cvTackBarEvents); | |
iThreshold=MDetector.getParameters().ThresHold; | |
iCornerMode= MDetector.getParameters().cornerRefinementM; | |
} | |
void putText(cv::Mat &im,string text,cv::Point p,float size){ | |
float fact=float(im.cols)/float(640); | |
if (fact<1) fact=1; | |
cv::putText(im,text,p,FONT_HERSHEY_SIMPLEX, size,cv::Scalar(0,0,0),3*fact); | |
cv::putText(im,text,p,FONT_HERSHEY_SIMPLEX, size,cv::Scalar(125,255,255),1*fact); | |
} | |
void printHelp(cv::Mat &im) | |
{ | |
float fs=float(im.cols)/float(1200); | |
putText(im,"'m': show/hide menu",cv::Point(10,fs*60),fs*0.5f); | |
putText(im,"'s': start/stop video capture",cv::Point(10,fs*80),fs*0.5f); | |
putText(im,"'w': write image to file",cv::Point(10,fs*100),fs*0.5f); | |
putText(im,"'t': do a speed test",cv::Point(10,fs*120),fs*0.5f); | |
putText(im,"'f': saves current configuration to file 'arucoConfig.yml'",cv::Point(10,fs*140),fs*0.5f); | |
} | |
void printInfo(cv::Mat &im){ | |
float fs=float(im.cols)/float(1200); | |
putText(im,"fps="+to_string(1./Fps.getAvrg()),cv::Point(10,fs*20),fs*0.5f); | |
putText(im,"'h': show/hide help",cv::Point(10,fs*40),fs*0.5f); | |
if(bPrintHelp) printHelp(im); | |
} | |
void printMenuInfo(){ | |
cv::Mat image(200,400,CV_8UC3); | |
image=cv::Scalar::all(255); | |
string str="Dictionary="+aruco::Dictionary::getTypeString((aruco::Dictionary::DICT_TYPES) iDictionaryIndex) ; | |
cv::putText(image,str,cv::Size(10,20),FONT_HERSHEY_SIMPLEX, 0.35,cv::Scalar(0,0,0),1); | |
str="Detection Mode="+MarkerDetector::Params::toString(MDetector.getParameters().detectMode); | |
cv::putText(image,str,cv::Size(10,40),FONT_HERSHEY_SIMPLEX, 0.35,cv::Scalar(0,0,0),1); | |
str="Corner Mode="+MarkerDetector::Params::toString(MDetector.getParameters().cornerRefinementM);; | |
cv::putText(image,str,cv::Size(10,60),FONT_HERSHEY_SIMPLEX, 0.35,cv::Scalar(0,0,0),1); | |
cv::imshow("menu",image); | |
} | |
cv::Mat resizeImage(cv::Mat &in,float resizeFactor){ | |
if (fabs(1-resizeFactor)<1e-3 )return in; | |
float nc=float(in.cols)*resizeFactor; | |
float nr=float(in.rows)*resizeFactor; | |
cv::Mat imres; | |
cv::resize(in,imres,cv::Size(nc,nr)); | |
cout<<"Imagesize="<<imres.size()<<endl; | |
return imres; | |
} | |
/************************************ | |
* | |
* | |
* | |
* | |
************************************/ | |
int main(int argc, char** argv) | |
{ | |
try | |
{ | |
CmdLineParser cml(argc, argv); | |
if (argc < 2 || cml["-h"]) | |
{ | |
cerr << "Invalid number of arguments" << endl; | |
cerr << "Usage: (in.avi|live[:camera_index(e.g 0 or 1)]) [-c camera_params.yml] [-s marker_size_in_meters] [-d " | |
"dictionary:ALL_DICTS by default] [-h]" | |
<< endl; | |
cerr << "\tDictionaries: "; | |
for (auto dict : aruco::Dictionary::getDicTypes()) | |
cerr << dict << " "; | |
cerr << endl; | |
cerr << "\t Instead of these, you can directly indicate the path to a file with your own generated " | |
"dictionary" | |
<< endl; | |
return false; | |
} | |
/////////// PARSE ARGUMENTS | |
string TheInputVideo = argv[1]; | |
// read camera parameters if passed | |
if (cml["-c"]) | |
TheCameraParameters.readFromXMLFile(cml("-c")); | |
float TheMarkerSize = std::stof(cml("-s", "-1")); | |
//resize factor | |
float resizeFactor=stof(cml("-rf","1")); | |
/////////// OPEN VIDEO | |
// read from camera or from file | |
if (TheInputVideo.find("live") != string::npos) | |
{ | |
int vIdx = 0; | |
// check if the :idx is here | |
char cad[100]; | |
if (TheInputVideo.find(":") != string::npos) | |
{ | |
std::replace(TheInputVideo.begin(), TheInputVideo.end(), ':', ' '); | |
sscanf(TheInputVideo.c_str(), "%s %d", cad, &vIdx); | |
} | |
cout << "Opening camera index " << vIdx << endl; | |
TheVideoCapturer.open(vIdx); | |
waitTime = 10; | |
isVideo=true; | |
} | |
else{ | |
TheVideoCapturer.open(TheInputVideo); | |
if ( TheVideoCapturer.get(CV_CAP_PROP_FRAME_COUNT)>=2) isVideo=true; | |
} | |
// check video is open | |
if (!TheVideoCapturer.isOpened()) | |
throw std::runtime_error("Could not open video"); | |
///// CONFIGURE DATA | |
// read first image to get the dimensions | |
TheVideoCapturer >> TheInputImage; | |
if (TheCameraParameters.isValid()) | |
TheCameraParameters.resize(TheInputImage.size()); | |
dictionaryString=cml("-d", "ALL_DICTS"); | |
iDictionaryIndex=(uint64_t)aruco::Dictionary::getTypeFromString(dictionaryString); | |
MDetector.setDictionary(dictionaryString,float(iCorrectionRate)/10. ); // sets the dictionary to be employed (ARUCO,APRILTAGS,ARTOOLKIT,etc) | |
iThreshold=MDetector.getParameters().ThresHold; | |
iCornerMode= MDetector.getParameters().cornerRefinementM; | |
cv::namedWindow("in",cv::WINDOW_NORMAL); | |
cv::resizeWindow("in",640,480); | |
setParamsFromGlobalVariables(MDetector); | |
{ | |
float w=std::min(int(1920),int(TheInputImage.cols)); | |
float f=w/float(TheInputImage.cols); | |
resizeWindow("in",w,float(TheInputImage.rows)*f); | |
} | |
// go! | |
char key = 0; | |
int index = 0,indexSave=0; | |
// capture until press ESC or until the end of the video | |
//std::vector<cv::Point2f> line_pixels; | |
std::vector<std::vector<cv::Point2f> > line_pixels; | |
bool enable_painting = false; | |
int cc = -1; | |
std::vector<Scalar> colors; | |
std::vector<int> thickness_array; | |
int thickness = 3; | |
do | |
{ | |
TheVideoCapturer.retrieve(TheInputImage); | |
TheInputImage=resizeImage(TheInputImage,resizeFactor); | |
// copy image | |
Fps.start(); | |
TheMarkers = MDetector.detect(TheInputImage, TheCameraParameters, TheMarkerSize); | |
Fps.stop(); | |
// chekc the speed by calculating the mean speed of all iterations | |
cout << "\rTime detection=" << Fps.getAvrg()*1000 << " milliseconds nmarkers=" << TheMarkers.size() << std::endl; | |
// print marker info and draw the markers in image | |
TheInputImage.copyTo(TheInputImageCopy); | |
if (iShowAllCandidates){ | |
auto candidates=MDetector.getCandidates(); | |
for(auto cand:candidates) | |
Marker(cand,-1).draw(TheInputImageCopy, Scalar(255, 0, 255)); | |
} | |
for (unsigned int i = 0; i < TheMarkers.size(); i++) | |
{ | |
cout << TheMarkers[i] << endl; | |
TheMarkers[i].draw(TheInputImageCopy, Scalar(0, 0, 255),2,true); | |
//cv::circle(TheInputImageCopy, TheMarkers[i].getCenter(), 1, Scalar(0, 0, 255),6); | |
if (enable_painting && cc > -1 ) | |
line_pixels[cc].push_back(TheMarkers[i].getCenter()); | |
} | |
//std::cout << line_pixels[cc].size() << std::endl; | |
for (unsigned int j = 0; j < line_pixels.size(); j++) | |
{ | |
for (unsigned int i = 0; i < line_pixels[j].size(); i++) | |
{ | |
//cv::circle(TheInputImageCopy, line_pixels[i], 1, Scalar(0, 0, 255),4); | |
if (i>0) | |
cv::line(TheInputImageCopy, line_pixels[j][i-1], line_pixels[j][i], colors[j], thickness_array[j], cv::LINE_4); | |
} | |
} | |
// draw a 3d cube in each marker if there is 3d info | |
if (TheCameraParameters.isValid() && TheMarkerSize > 0) | |
for (unsigned int i = 0; i < TheMarkers.size(); i++) | |
{ | |
CvDrawingUtils::draw3dCube(TheInputImageCopy, TheMarkers[i], TheCameraParameters); | |
CvDrawingUtils::draw3dAxis(TheInputImageCopy, TheMarkers[i], TheCameraParameters); | |
} | |
for (unsigned int i = 0; i < TheMarkers.size(); i++) | |
{ | |
cv::circle(TheInputImageCopy, TheMarkers[i].getCenter(), 1, Scalar(0, 0, 255), thickness); | |
} | |
// DONE! Easy, right? | |
// show input with augmented information and the thresholded image | |
printInfo(TheInputImageCopy); | |
if(showMennu)printMenuInfo(); | |
cv::imshow("thres", resize(MDetector.getThresholdedImage(), 1024)); | |
cv::Mat dst; // dst must be a different Mat | |
cv::flip(TheInputImageCopy, dst, 1); // because you can't flip in-place (leads to segfault) | |
cv::imshow("in", dst); | |
key = cv::waitKey(waitTime); // wait for key to be pressed | |
if (key == 's') | |
waitTime = waitTime == 0 ? 10 : 0; | |
if (key == 'w'){//writes current input image | |
string number=std::to_string(indexSave++); | |
while(number.size()!=3)number="0"+number; | |
string imname="arucoimage"+number+".png"; | |
cv::imwrite(imname,TheInputImageCopy); | |
cout<<"saved "<<imname<<endl; | |
imname="orgimage"+number+".png"; | |
cv::imwrite(imname,TheInputImage); | |
cout<<"saved "<<imname<<endl; | |
imname="thresimage"+number+".png"; | |
cv::imwrite(imname,MDetector.getThresholdedImage()); | |
} | |
if (key=='m') { | |
if (showMennu) cv::destroyWindow("menu"); | |
else { | |
cv::namedWindow("menu",cv::WINDOW_NORMAL); | |
cv::resizeWindow("menu",640,480); | |
createMenu(); | |
printMenuInfo(); | |
} | |
showMennu=!showMennu; | |
} | |
if (key=='h')bPrintHelp=!bPrintHelp; | |
if (key=='t'){//run a deeper speed test | |
for(int t=0;t<30;t++){ | |
// Detection of markers in the image passed | |
Fps.start(); | |
TheMarkers = MDetector.detect(TheInputImage, TheCameraParameters, TheMarkerSize); | |
Fps.stop(); | |
// chekc the speed by calculating the mean speed of all iterations | |
} | |
printInfo(TheInputImageCopy); | |
} | |
if(key=='f'){ | |
cerr<<"Configuration saved to arucoConfig.yml"<<endl; | |
MDetector.saveParamsToFile("arucoConfig.yml"); | |
} | |
if (key=='d') | |
{ | |
line_pixels.clear(); | |
colors.clear(); | |
thickness_array.clear(); | |
thickness = 3; | |
cc = -1; | |
} | |
if (key=='p') | |
{ | |
//clr = new Scalar(rand() % 255,rand() % 255,rand() % 255); | |
Scalar clr(rand() % 255,rand() % 255,rand() % 255); | |
colors.push_back(clr); | |
thickness_array.push_back(thickness); | |
cc = cc+1; | |
line_pixels.resize(line_pixels.size()+1); | |
enable_painting = !enable_painting; | |
} | |
if (key=='+') | |
{ | |
thickness = thickness+2; | |
} | |
if (key=='-') | |
{ | |
if (thickness > 3) | |
thickness = thickness-2; | |
} | |
index++; // number of images captured | |
if (isVideo) | |
if ( TheVideoCapturer.grab()==false) key=27; | |
} while (key != 27 ); | |
} | |
catch (std::exception& ex) | |
{ | |
cout << "Exception :" << ex.what() << endl; | |
} | |
} | |
void cvTackBarEvents(int pos, void*) | |
{ | |
(void)(pos); | |
setParamsFromGlobalVariables(MDetector); | |
// recompute | |
Fps.start(); | |
MDetector.detect(TheInputImage, TheMarkers, TheCameraParameters); | |
Fps.stop(); | |
// chekc the speed by calculating the mean speed of all iterations | |
TheInputImage.copyTo(TheInputImageCopy); | |
if (iShowAllCandidates){ | |
auto candidates=MDetector.getCandidates(); | |
for(auto cand:candidates) | |
Marker(cand,-1).draw(TheInputImageCopy, Scalar(255, 0, 255),1); | |
} | |
for (unsigned int i = 0; i < TheMarkers.size(); i++){ | |
cout << TheMarkers[i] << endl; | |
TheMarkers[i].draw(TheInputImageCopy, Scalar(0, 0, 255),2); | |
} | |
// draw a 3d cube in each marker if there is 3d info | |
if (TheCameraParameters.isValid()) | |
for (unsigned int i = 0; i < TheMarkers.size(); i++) | |
CvDrawingUtils::draw3dCube(TheInputImageCopy, TheMarkers[i], TheCameraParameters); | |
cv::putText(TheInputImageCopy,"fps="+to_string(1./Fps.getAvrg() ),cv::Point(10,20),FONT_HERSHEY_SIMPLEX, 0.5f,cv::Scalar(125,255,255),2,CV_AA); | |
cv::imshow("in", TheInputImageCopy ); | |
cv::imshow("thres", resize(MDetector.getThresholdedImage(), 1024)); | |
if(showMennu)printMenuInfo(); | |
} |
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To launch: ./aruco_test live:0 -s 0.10
+
Increase the size-
Decrease the sizep
start/stop to paintd
delete paintingm
settings