Merge pull request #3839 from asmorkalov:as/fastcv_docs_warn_fix

Warnings fix in FastCV module documentation.

Author: asmorkalov

modules/fastcv/include/opencv2/fastcv.hpp

@@ -8,10 +8,6 @@
 
 #include <opencv2/core.hpp>
 
-/**
- * @defgroup fastcv Module-wrapper for FastCV hardware accelerated functions
- */
-
 #include "opencv2/fastcv/arithm.hpp"
 #include "opencv2/fastcv/bilateralFilter.hpp"
 #include "opencv2/fastcv/cluster.hpp"
@@ -27,6 +23,10 @@
 #include "opencv2/fastcv/smooth.hpp"
 #include "opencv2/fastcv/thresh.hpp"
 
-//! @}
+/**
+ * @defgroup fastcv Module-wrapper for FastCV hardware accelerated functions
+ * @{
+ * @}
+ */
 
 #endif // OPENCV_FASTCV_ARITHM_HPP

modules/fastcv/include/opencv2/fastcv/arithm.hpp

@@ -22,6 +22,7 @@ namespace fastcv {
  * @param dst Resulting matrix of type CV_32S
  */
 CV_EXPORTS_W void matmuls8s32(InputArray src1, InputArray src2, OutputArray dst);
+
 //! @}
 
 } // fastcv::

modules/fastcv/include/opencv2/fastcv/scale.hpp

@@ -16,15 +16,15 @@ namespace fastcv {
 
 /**
  * @brief Down-scale the image by averaging each 2x2 pixel block.
- * @param src The first input image data, type CV_8UC1, src height must be a multiple of 2
- * @param dst The output image data, type CV_8UC1
+ * @param _src The first input image data, type CV_8UC1, src height must be a multiple of 2
+ * @param _dst The output image data, type CV_8UC1
 */
 CV_EXPORTS_W void resizeDownBy2(cv::InputArray _src, cv::OutputArray _dst);
 
 /**
  * @brief Down-scale the image by averaging each 4x4 pixel block.
- * @param src The first input image data, type CV_8UC1, src height must be a multiple of 4
- * @param dst The output image data, type CV_8UC1
+ * @param _src The first input image data, type CV_8UC1, src height must be a multiple of 4
+ * @param _dst The output image data, type CV_8UC1
 */
 CV_EXPORTS_W void resizeDownBy4(cv::InputArray _src, cv::OutputArray _dst);
 
@@ -33,4 +33,4 @@ CV_EXPORTS_W void resizeDownBy4(cv::InputArray _src, cv::OutputArray _dst);
 } // fastcv::
 } // cv::
 
-#endif // OPENCV_FASTCV_SCALE_HPP
+#endif // OPENCV_FASTCV_SCALE_HPP