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SignalLab1
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step 4

This commit is contained in:
Ly PECHVATTANA 2023-02-24 10:46:49 +01:00
parent e515e8f5fa
commit 76f2e9de06
1 changed files with 23 additions and 15 deletions
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38
ppg.cpp
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@ -2,7 +2,12 @@
#include "opencv2/videoio.hpp" #include "opencv2/videoio.hpp"
#include "opencv2/highgui.hpp" #include "opencv2/highgui.hpp"
const int FPS = 15; const int FPS = 30;
bool isDiscardData = true;
int countDiscard = 0;
const int DISCARD_DURATION = 10;
int main() { int main() {
cv::VideoCapture cap; cv::VideoCapture cap;
@ -14,19 +19,22 @@ int main() {
} }
while (true) { while (true) {
// create a matrix to store the image from the cam if(isDiscardData){
cv::Mat frame; countDiscard++;
// wait for a new frame from camera and store it into 'frame' if(countDiscard == DISCARD_DURATION*FPS)
cap.read(frame); isDiscardData = false;
// check if we succeeded }
if (frame.empty()) { else{
std::cerr << "[ERROR] blank frame grabbed" << std::endl; cv::Mat frame;
break; cap.read(frame);
if (frame.empty()) {
std::cerr << "[ERROR] blank frame grabbed" << std::endl;
break;
}
cv::imshow("Color", frame);
if (cv::waitKey(1000.0 / FPS) >= 0)
break;
}
} }
cv::imshow("Color", frame); return 0;
if (cv::waitKey(1000.0 / FPS) >= 0)
break;
}
return 0;
} }