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I use the QCvMatViewer .h and cpp to show a Mat，but the frame is black，and could not show it。 #1

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xinsuinizhuan opened this issue May 17, 2022 · 0 comments

xinsuinizhuan commented May 17, 2022

I my QWidget class frame:
.h file:
QCvMatViewer* cvMatView;

.cpp file:
cvMatView = new QCvMatViewer(this);
then:
cvMatView->setImage(frame);
but it could not show, it is black:

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