Remove jacobian calculation in ProjectPoints if no need

ables3000 · web-flow · commit 6e5a37e04ac9 · 2021-12-01T10:19:29.000+08:00
diff --git a/src/OpenCvSharp/Cv2/Cv2_calib3d.cs b/src/OpenCvSharp/Cv2/Cv2_calib3d.cs
@@ -598,9 +598,6 @@ public static void ProjectPoints(
             cameraMatrix.ThrowIfDisposed();
             imagePoints.ThrowIfNotReady();
 
-            if (jacobian == null)
-                jacobian = new Mat();
-
             NativeMethods.HandleException(
                 NativeMethods.calib3d_projectPoints_InputArray(
                     objectPoints.CvPtr,
