「深度学习福利」大神带你进阶工程师，立即查看>>> Mat temImage; cv::resize(curImage, temImage, Size(curImage.cols*2, curImage.rows*2), INTER_LINEAR); curImage = temImage.clone(); displayMat(curImage); // qreal width = curPix.width() * 2; // // qreal height = curPix.height() * 2; // curPix = curPix.scaled(width, height,Qt::KeepAspectRatio); // ui->label->setPixmap(curPix); //消耗CPU // ui->label->resize(ui->label->pixmap()->size()); //设置img大小， // ui->label->show();
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