Merge pull request #5142 from StevenPuttemans:fix_4230

10 years ago · 622301c78a
parent 784f77a4a5 dd8589c352
commit 622301c78a
1 changed files with 1 additions and 5 deletions
--- a/modules/video/src/ecc.cpp
+++ b/modules/video/src/ecc.cpp
@ -298,11 +298,7 @@ static void update_warping_matrix_ECC (Mat& map_matrix, const Mat& update, const
    }
    if (motionType == MOTION_EUCLIDEAN) {
        double new_theta = updatePtr[0];
-        if (mapPtr[3]>0)
-            new_theta += acos(mapPtr[0]);
-
-        if (mapPtr[3]<0)
-            new_theta -= acos(mapPtr[0]);
+        new_theta += asin(mapPtr[3]);

        mapPtr[2] += updatePtr[1];
        mapPtr[5] += updatePtr[2];