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modified farneback sample to use T-API

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This commit is contained in:
Vadim Pisarevsky 2014-08-08 22:45:07 +04:00
parent 0224a20ff6
commit 68305703bd
1 changed files with 5 additions and 3 deletions
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8
samples/cpp/fback.cpp
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@ -37,7 +37,8 @@ int main(int, char**)
if( !cap.isOpened() ) if( !cap.isOpened() )
return -1; return -1;
Mat prevgray, gray, flow, cflow, frame; Mat flow, cflow, frame;
UMat gray, prevgray, uflow;
namedWindow("flow", 1); namedWindow("flow", 1);
for(;;) for(;;)
@ -45,10 +46,11 @@ int main(int, char**)
cap >> frame; cap >> frame;
cvtColor(frame, gray, COLOR_BGR2GRAY); cvtColor(frame, gray, COLOR_BGR2GRAY);
if( prevgray.data ) if( !prevgray.empty() )
{ {
calcOpticalFlowFarneback(prevgray, gray, flow, 0.5, 3, 15, 3, 5, 1.2, 0); calcOpticalFlowFarneback(prevgray, gray, uflow, 0.5, 3, 15, 3, 5, 1.2, 0);
cvtColor(prevgray, cflow, COLOR_GRAY2BGR); cvtColor(prevgray, cflow, COLOR_GRAY2BGR);
uflow.copyTo(flow);
drawOptFlowMap(flow, cflow, 16, 1.5, Scalar(0, 255, 0)); drawOptFlowMap(flow, cflow, 16, 1.5, Scalar(0, 255, 0));
imshow("flow", cflow); imshow("flow", cflow);
} }