spelling fixes

modules/gapi/src/backends/fluid/gfluidimgproc.cpp

@@ -416,7 +416,7 @@ GAPI_FLUID_KERNEL(GFluidBlur, cv::gapi::imgproc::GBlur, true)
         // TODO: support sizes 3, 5, 7, 9, ...
         GAPI_Assert(kernelSize.width  == 3 && kernelSize.height == 3);
 
-        // TODO: suport non-trivial anchor
+        // TODO: support non-trivial anchor
         GAPI_Assert(anchor.x == -1 && anchor.y == -1);
 
         static const bool normalize = true;
@@ -488,7 +488,7 @@ GAPI_FLUID_KERNEL(GFluidBoxFilter, cv::gapi::imgproc::GBoxFilter, true)
         // TODO: support sizes 3, 5, 7, 9, ...
         GAPI_Assert(kernelSize.width  == 3 && kernelSize.height == 3);
 
-        // TODO: suport non-trivial anchor
+        // TODO: support non-trivial anchor
         GAPI_Assert(anchor.x == -1 && anchor.y == -1);
 
         int width = src.length();

modules/gapi/src/compiler/gcompiled_priv.hpp

@@ -15,7 +15,7 @@
 #include "executor/gexecutor.hpp"
 
 // NB: BTW, GCompiled is the only "public API" class which
-// private part (implementaion) is hosted in the "compiler/" module.
+// private part (implementation) is hosted in the "compiler/" module.
 //
 // This file is here just to keep ADE hidden from the top-level APIs.
 //

modules/gapi/src/compiler/passes/exec.cpp

@@ -579,7 +579,7 @@ namespace
                         auto l_obj = gim.metadata(lhs_nh).get<FusedIsland>().object;
                         auto r_obj = gim.metadata(rhs_nh).get<FusedIsland>().object;
                         GAPI_LOG_INFO(NULL, r_obj->name() << " can be merged into " << l_obj->name());
-                        // Try to do a merge. If merge was succesfull, check if the
+                        // Try to do a merge. If merge was successful, check if the
                         // graph have cycles (cycles are prohibited at this point).
                         // If there are cycles, roll-back the merge and mark a pair of
                         // these Islands with a special tag - "cycle-causing".

modules/gapi/src/compiler/passes/islands.cpp

@@ -101,7 +101,7 @@ void cv::gimpl::passes::checkIslands(ade::passes::PassContext &ctx)
 {
     GModel::ConstGraph gr(ctx.graph);
 
-    // The algorithm is teh following:
+    // The algorithm is the following:
     //
     // 1. Put all Tagged nodes (both Operations and Data) into a set
     // 2. Initialize Visited set as (empty)

modules/gapi/src/compiler/passes/kernels.cpp

@@ -129,7 +129,7 @@ void cv::gimpl::passes::expandKernels(ade::passes::PassContext &ctx, const gapi:
     GModel::Graph gr(ctx.graph);
 
     // Repeat the loop while there are compound kernels.
-    // Restart procedure after every successfull unrolling
+    // Restart procedure after every successful unrolling
     bool has_compound_kernel = true;
     while (has_compound_kernel)
     {