sfm: fix build with Ceres

alalek · alalek · commit da3375f68271 · 2018-11-03T14:57:16.000Z
diff --git a/modules/sfm/src/simple_pipeline.cpp b/modules/sfm/src/simple_pipeline.cpp
@@ -37,6 +37,9 @@
 
 #if CERES_FOUND
 
+// Eigen
+#include <Eigen/Core>
+
 #include <opencv2/core/eigen.hpp>
 #include <opencv2/xfeatures2d.hpp>
 
