spelling fixes

modules/core/include/opencv2/core/cvstd.hpp

@@ -105,7 +105,7 @@ double memory deallocation.
 CV_EXPORTS void fastFree(void* ptr);
 
 /*!
-  The STL-compilant memory Allocator based on cv::fastMalloc() and cv::fastFree()
+  The STL-compliant memory Allocator based on cv::fastMalloc() and cv::fastFree()
 */
 template<typename _Tp> class Allocator
 {

modules/core/include/opencv2/core/cvstd_wrapper.hpp

@@ -117,7 +117,7 @@ struct Ptr : public std::shared_ptr<T>
     T* operator->() const CV_NOEXCEPT { return std::shared_ptr<T>::get();}
     typename std::add_lvalue_reference<T>::type operator*() const CV_NOEXCEPT { return *std::shared_ptr<T>::get(); }
 
-    // OpenCV 3.x methods (not a part of standart C++ library)
+    // OpenCV 3.x methods (not a part of standard C++ library)
     inline void release() { std::shared_ptr<T>::reset(); }
     inline operator T* () const { return std::shared_ptr<T>::get(); }
     inline bool empty() const { return std::shared_ptr<T>::get() == nullptr; }

modules/core/include/opencv2/core/hal/intrin_cpp.hpp

@@ -2266,7 +2266,7 @@ inline v_float32x4 v_matmuladd(const v_float32x4& v, const v_float32x4& m0,
                        v.s[0]*m0.s[3] + v.s[1]*m1.s[3] + v.s[2]*m2.s[3] + m3.s[3]);
 }
 
-////// FP16 suport ///////
+////// FP16 support ///////
 
 inline v_reg<float, V_TypeTraits<float>::nlanes128>
 v_load_expand(const float16_t* ptr)

modules/core/include/opencv2/core/hal/intrin_neon.hpp

@@ -1635,7 +1635,7 @@ inline void v_lut_deinterleave(const double* tab, const v_int32x4& idxvec, v_flo
 }
 #endif
 
-////// FP16 suport ///////
+////// FP16 support ///////
 #if CV_FP16
 inline v_float32x4 v_load_expand(const float16_t* ptr)
 {

modules/core/src/bindings_utils.cpp

@@ -33,7 +33,7 @@ String dumpInputArray(InputArray argument)
     }
     catch (...)
     {
-        ss << " ERROR: exception occured, dump is non-complete";  // need to properly support different kinds
+        ss << " ERROR: exception occurred, dump is non-complete";  // need to properly support different kinds
     }
     return ss.str();
 }
@@ -70,7 +70,7 @@ CV_EXPORTS_W String dumpInputArrayOfArrays(InputArrayOfArrays argument)
     }
     catch (...)
     {
-        ss << " ERROR: exception occured, dump is non-complete";  // need to properly support different kinds
+        ss << " ERROR: exception occurred, dump is non-complete";  // need to properly support different kinds
     }
     return ss.str();
 }
@@ -100,7 +100,7 @@ CV_EXPORTS_W String dumpInputOutputArray(InputOutputArray argument)
     }
     catch (...)
     {
-        ss << " ERROR: exception occured, dump is non-complete";  // need to properly support different kinds
+        ss << " ERROR: exception occurred, dump is non-complete";  // need to properly support different kinds
     }
     return ss.str();
 }
@@ -137,7 +137,7 @@ CV_EXPORTS_W String dumpInputOutputArrayOfArrays(InputOutputArrayOfArrays argume
     }
     catch (...)
     {
-        ss << " ERROR: exception occured, dump is non-complete";  // need to properly support different kinds
+        ss << " ERROR: exception occurred, dump is non-complete";  // need to properly support different kinds
     }
     return ss.str();
 }

modules/core/src/precomp.hpp

@@ -246,7 +246,7 @@ BinaryFunc getCopyMaskFunc(size_t esz);
 
 // There is some mess in code with vectors representation.
 // Both vector-column / vector-rows are used with dims=2 (as Mat2D always).
-// Reshape matrices if neccessary (in case of vectors) and returns size with scaled width.
+// Reshape matrices if necessary (in case of vectors) and returns size with scaled width.
 Size getContinuousSize2D(Mat& m1, int widthScale=1);
 Size getContinuousSize2D(Mat& m1, Mat& m2, int widthScale=1);
 Size getContinuousSize2D(Mat& m1, Mat& m2, Mat& m3, int widthScale=1);

modules/core/src/utils/datafile.cpp

@@ -344,7 +344,7 @@ cv::String findDataFile(const cv::String& relative_path,
 #if defined OPENCV_INSTALL_PREFIX && defined OPENCV_DATA_INSTALL_PATH
     cv::String install_dir(OPENCV_INSTALL_PREFIX);
     // use core/world module path and verify that library is running from installation directory
-    // It is neccessary to avoid touching of unrelated common /usr/local path
+    // It is necessary to avoid touching of unrelated common /usr/local path
     if (module_path.empty()) // can't determine
         module_path = install_dir;
     if (isSubDirectory(install_dir, module_path) || isSubDirectory(utils::fs::canonical(install_dir), utils::fs::canonical(module_path)))