Changes SVT recognition evaluation to be Case Insensitive (according to the…

Changes SVT recognition evaluation to be Case Insensitive (according to the standard evaluation protocol). This makes the benchmark obtained mean-f1 score increase from 0.23 to 0.27

modules/datasets/samples/tr_svt_benchmark.cpp

@@ -244,6 +244,8 @@ int main(int argc, char *argv[])
                     continue;
                 }
 
+                std::transform(words[j].begin(), words[j].end(), words[j].begin(), ::toupper);
+
                 if (find(example->lex.begin(), example->lex.end(), words[j]) == example->lex.end())
                 {
                     continue;