Prevent empty _Jo matrix multiplication when using calibrateCameraRO with iFixedPoint > 0

6 years ago · b17d16623a
parent 61cc855564
commit b17d16623a
1 changed files with 1 additions and 1 deletions
--- a/modules/calib3d/src/calibration.cpp
+++ b/modules/calib3d/src/calibration.cpp
@ -1588,7 +1588,7 @@ static double cvCalibrateCamera2Internal( const CvMat* objectPoints,
    Mat _Je( maxPoints*2, 6, CV_64FC1 );
    Mat _err( maxPoints*2, 1, CV_64FC1 );
-    const bool allocJo = (solver.state == CvLevMarq::CALC_J) || stdDevs;
+    const bool allocJo = (solver.state == CvLevMarq::CALC_J) || stdDevs || releaseObject;
    Mat _Jo = allocJo ? Mat( maxPoints*2, maxPoints*3, CV_64FC1, Scalar(0) ) : Mat();
    if(flags & CALIB_USE_LU) {