/*!
* \brief 求重心
* points 输入点。第一个list为几张图片、第二个list位每张图片多少点、第三个list为每个点实际坐标
* gravity 输出每张图片的重心
*/
void MatUtil::GetImageCenterOfGravity(
const QList<QList<QList<double> > > points, QList<QList<double>> &gravity) {
gravity.clear();
for(qint32 i = 0; i < points.count(); ++i) {
double x_tmp = 0.0, y_tmp = 0.0;
QList<double> gravity_tmp;
for(qint32 j = 0; j < points[i].count() - 1; ++j) {
x_tmp += points[i][j][0];
y_tmp += points[i][j][1];
}
x_tmp /= points[i].count();
y_tmp /= points[i].count();
gravity_tmp << ( x_tmp - 352.0) * 0.01 << (y_tmp - 352.0) * 0.01 << 0;
gravity << gravity_tmp;
}
}
qt 求图像重心
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转载自blog.csdn.net/a15005784320/article/details/103834986
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