Misc. typos

Found via `codespell -q 3 -I ../opencv-whitelist.txt --skip="./3rdparty"`

modules/calib3d/test/test_chesscorners.cpp

@@ -198,7 +198,7 @@ void CV_ChessboardDetectorTest::run_batch( const string& filename )
 
     if( !fs.isOpened() || board_list.empty() || !board_list.isSeq() || board_list.size() % 2 != 0 )
     {
-        ts->printf( cvtest::TS::LOG, "%s can not be readed or is not valid\n", (folder + filename).c_str() );
+        ts->printf( cvtest::TS::LOG, "%s can not be read or is not valid\n", (folder + filename).c_str() );
         ts->printf( cvtest::TS::LOG, "fs.isOpened=%d, board_list.empty=%d, board_list.isSeq=%d,board_list.size()%2=%d\n",
             fs.isOpened(), (int)board_list.empty(), board_list.isSeq(), board_list.size()%2);
         ts->set_failed_test_info( cvtest::TS::FAIL_MISSING_TEST_DATA );

modules/calib3d/test/test_chesscorners_timing.cpp

@@ -85,7 +85,7 @@ void CV_ChessboardDetectorTimingTest::run( int start_from )
     if( !fs || !board_list || !CV_NODE_IS_SEQ(board_list->tag) ||
         board_list->data.seq->total % 4 != 0 )
     {
-        ts->printf( cvtest::TS::LOG, "chessboard_timing_list.dat can not be readed or is not valid" );
+        ts->printf( cvtest::TS::LOG, "chessboard_timing_list.dat can not be read or is not valid" );
         code = cvtest::TS::FAIL_MISSING_TEST_DATA;
         goto _exit_;
     }

modules/core/include/opencv2/core/types_c.h

@@ -1764,7 +1764,7 @@ typedef struct CvString
 }
 CvString;
 
-/** All the keys (names) of elements in the readed file storage
+/** All the keys (names) of elements in the read file storage
    are stored in the hash to speed up the lookup operations: */
 typedef struct CvStringHashNode
 {

modules/core/src/datastructs.cpp

@@ -2779,7 +2779,7 @@ cvGraphAddEdgeByPtr( CvGraph* graph,
 
     if( start_vtx == end_vtx )
         CV_Error( start_vtx ? CV_StsBadArg : CV_StsNullPtr,
-        "vertex pointers coinside (or set to NULL)" );
+        "vertex pointers coincide (or set to NULL)" );
 
     edge = (CvGraphEdge*)cvSetNew( (CvSet*)(graph->edges) );
     assert( edge->flags >= 0 );

modules/core/src/persistence_c.cpp

@@ -1063,7 +1063,7 @@ cvReadRawDataSlice( const CvFileStorage* fs, CvSeqReader* reader,
         CV_Error( CV_StsNullPtr, "Null pointer to reader or destination array" );
 
     if( !reader->seq && len != 1 )
-        CV_Error( CV_StsBadSize, "The readed sequence is a scalar, thus len must be 1" );
+        CV_Error( CV_StsBadSize, "The read sequence is a scalar, thus len must be 1" );
 
     fmt_pair_count = icvDecodeFormat( dt, fmt_pairs, CV_FS_MAX_FMT_PAIRS );
     size_t step = ::icvCalcStructSize(dt, 0);

modules/cudafilters/src/cuda/median_filter.cu

@@ -246,7 +246,7 @@ namespace cv { namespace cuda { namespace device
         }
         __syncthreads();
 
-        // Fot all remaining rows in the median filter, add the values to the the histogram
+        // For all remaining rows in the median filter, add the values to the the histogram
         for (int j=threadIdx.x; j<cols; j+=blockDim.x){
             for(int i=initStartRow; i<initStopRow; i++){
                     int pos=::min(i,rows-1);

modules/cudaimgproc/src/mssegmentation.cpp

@@ -342,7 +342,7 @@ void cv::cuda::meanShiftSegmentation(InputArray _src, OutputArray _dst, int sp,
         }
     }
 
-    // Sort all graph's edges connecting different components (in asceding order)
+    // Sort all graph's edges connecting different components (in ascending order)
     std::sort(edges.begin(), edges.end());
 
     // Exclude small components (starting from the nearest couple)

modules/features2d/doc/read_file_nondiff32.pl

@@ -131,7 +131,7 @@ my $success_structured;
                   }
                   close $in2 or die "Can't close $filein: $!";
                 }
-                #find next else and interprete it
+                #find next else and interpret it
                 open(my $in3,  "<",  $filein)  or die "Can't open $filein: $!";
         $i3=1;
         $ifcount3=0;

modules/features2d/doc/read_file_score32.pl

@@ -119,7 +119,7 @@ my $is_a_corner;
                   }
                   close $in2 or die "Can't close $filein: $!";
                 }
-                #find next else and interprete it
+                #find next else and interpret it
                 open(my $in3,  "<",  $filein)  or die "Can't open $filein: $!";
         $i3=1;
         $ifcount3=0;

modules/ml/src/svm.cpp

@@ -2048,7 +2048,7 @@ public:
             svmType == NU_SVC ? "NU_SVC" :
             svmType == ONE_CLASS ? "ONE_CLASS" :
             svmType == EPS_SVR ? "EPS_SVR" :
-            svmType == NU_SVR ? "NU_SVR" : format("Uknown_%d", svmType);
+            svmType == NU_SVR ? "NU_SVR" : format("Unknown_%d", svmType);
         String kernel_type_str =
             kernelType == LINEAR ? "LINEAR" :
             kernelType == POLY ? "POLY" :

modules/ts/include/opencv2/ts/ts_gtest.h

@@ -9013,7 +9013,7 @@ class NativeArray {
 
 // Implements Boolean test assertions such as EXPECT_TRUE. expression can be
 // either a boolean expression or an AssertionResult. text is a textual
-// represenation of expression as it was passed into the EXPECT_TRUE.
+// representation of expression as it was passed into the EXPECT_TRUE.
 #define GTEST_TEST_BOOLEAN_(expression, text, actual, expected, fail) \
   GTEST_AMBIGUOUS_ELSE_BLOCKER_ \
   if (const ::testing::AssertionResult gtest_ar_ = \