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diff --git a/runtime/contrib/style_transfer_app/src/bitmap_helper.h b/runtime/contrib/style_transfer_app/src/bitmap_helper.h
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+++ b/runtime/contrib/style_transfer_app/src/bitmap_helper.h
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+/*
+ * Copyright (c) 2019 Samsung Electronics Co., Ltd. All Rights Reserved
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+/* Copyright 2017 The TensorFlow Authors. All Rights Reserved.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+==============================================================================*/
+
+#ifndef __STYLE_TRANSFER_APP_BITMAP_HELPER_H__
+#define __STYLE_TRANSFER_APP_BITMAP_HELPER_H__
+
+#include <vector>
+
+namespace StyleTransferApp
+{
+
+class BitmapHelper
+{
+public:
+  BitmapHelper(){/* DO NOTHING */};
+  int read_bmp(const std::string &input_bmp_name, std::vector<float> &input, int model_width,
+               int model_height);
+  int write_bmp(const std::string &output_bmp_name, std::vector<float> &output, int width,
+                int height, int channels);
+
+private:
+  unsigned char *createBitmapFileHeader(int height, int width, int paddingSize);
+  unsigned char *createBitmapInfoHeader(int height, int width);
+  std::vector<uint8_t> decode_bmp(const uint8_t *input, int row_size, int width, int height,
+                                  int channels, bool top_down);
+
+  const int fileHeaderSize = 14;
+  const int infoHeaderSize = 40;
+  const int bytesPerPixel = 3;
+};
+
+} // namespace StyleTransferApp
+
+#endif // __STYLE_TRANSFER_APP_BITMAP_HELPER_H__