openpose-opencv4.patch

diff --git a/src/openpose/calibration/cameraParameterEstimation.cpp b/src/openpose/calibration/cameraParameterEstimation.cpp
index 46b7bbd..47ed3f6 100644
--- a/src/openpose/calibration/cameraParameterEstimation.cpp
+++ b/src/openpose/calibration/cameraParameterEstimation.cpp
@@ -9,6 +9,7 @@
     #include <Eigen/Dense>
     #include <opencv2/core/eigen.hpp>
 #endif
+#include <opencv2/calib3d.hpp>
 #include <openpose/3d/cameraParameterReader.hpp>
 #include <openpose/filestream/fileStream.hpp>
 #include <openpose/utilities/fastMath.hpp>
diff --git a/src/openpose/calibration/gridPatternFunctions.cpp b/src/openpose/calibration/gridPatternFunctions.cpp
index 20731eb..76e0e37 100644
--- a/src/openpose/calibration/gridPatternFunctions.cpp
+++ b/src/openpose/calibration/gridPatternFunctions.cpp
@@ -1,3 +1,4 @@
+#include <opencv2/calib3d/calib3d.hpp>
 #include <openpose_private/calibration/gridPatternFunctions.hpp>
 #include <openpose/utilities/fastMath.hpp>
 #include <openpose/utilities/fileSystem.hpp>