Minor change to proposal op validation and change to codeowners (#3046)

CODEOWNERS

@@ -38,6 +38,7 @@
 /src/ngraph/frontend/               @postrational
 /src/ngraph/op/                     @diyessi @aprocter
 /src/ngraph/op/allreduce.*pp        @wenzhe-nrv @diyessi @aprocter
+/src/ngraph/op/experimental/layers  @ilyachur
 /src/ngraph/pass/                   @jbobba
 /src/ngraph/pattern/                @jbobba @aprocter
 /src/ngraph/runtime/                @rkimballn1 @jbobba

src/ngraph/op/experimental/layers/proposal.cpp

@@ -45,8 +45,8 @@ void op::Proposal::validate_and_infer_types()
     if (auto const_shape = dynamic_pointer_cast<op::Constant>(get_argument(2)))
     {
         NODE_VALIDATION_CHECK(this,
-                              shape_size(const_shape->get_shape()) == 2,
-                              "Layer shape must have rank 2",
+                              shape_size(const_shape->get_shape()) >= 1,
+                              "Layer shape must have rank greater than 1",
                               const_shape->get_shape());
 
         auto image_shape = const_shape->get_shape_val();