Doxygen documentation: calib3d and features2d modules

modules/calib3d/include/opencv2/calib3d/calib3d_c.h

@@ -50,6 +50,10 @@
 extern "C" {
 #endif
 
+/** @addtogroup calib3d_c
+  @{
+  */
+
 /****************************************************************************************\
 *                      Camera Calibration, Pose Estimation and Stereo                    *
 \****************************************************************************************/
@@ -371,6 +375,8 @@ CVAPI(void)  cvReprojectImageTo3D( const CvArr* disparityImage,
                                    CvArr* _3dImage, const CvMat* Q,
                                    int handleMissingValues CV_DEFAULT(0) );
 
+/** @} calib3d_c */
+
 #ifdef __cplusplus
 } // extern "C"