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diff --git a/compute/ARMComputeEx/arm_compute/core/UtilsEx.h b/compute/ARMComputeEx/arm_compute/core/UtilsEx.h
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+++ b/compute/ARMComputeEx/arm_compute/core/UtilsEx.h
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+/*
+ * Copyright (c) 2018 Samsung Electronics Co., Ltd. All Rights Reserved
+ * Copyright (c) 2016-2018 ARM Limited.
+ *
+ * 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 __ARM_COMPUTE_UTILSEX_H__
+#define __ARM_COMPUTE_UTILSEX_H__
+
+#include <utility>
+
+#include "arm_compute/core/Types.h"
+
+namespace arm_compute
+{
+
+/** Returns expected width and height of the transpose convolution's output tensor.
+ *
+ * @note This function was copied in order to fix a bug computing to wrong output dimensions.
+ *
+ * @param[in] in_width      Width of input tensor (Number of columns)
+ * @param[in] in_height     Height of input tensor (Number of rows)
+ * @param[in] kernel_width  Kernel width.
+ * @param[in] kernel_height Kernel height.
+ * @param[in] info          padding and stride info.
+ * @param[in] invalid_right The number of zeros added to right edge of the output.
+ * @param[in] invalid_top   The number of zeros added to bottom edge of the output.
+ *
+ * @return A pair with the new width in the first position and the new height in the second.
+ */
+const std::pair<unsigned int, unsigned int>
+transposeconv_output_dimensions(unsigned int in_width, unsigned int in_height,
+                                unsigned int kernel_width, unsigned int kernel_height,
+                                const PadStrideInfo &info, unsigned int invalid_right,
+                                unsigned int invalid_top);
+}
+#endif /*__ARM_COMPUTE_UTILSEX_H__ */