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-rw-r--r--arm_compute/core/utils/misc/ShapeCalculator.h22
1 files changed, 22 insertions, 0 deletions
diff --git a/arm_compute/core/utils/misc/ShapeCalculator.h b/arm_compute/core/utils/misc/ShapeCalculator.h
index f8a6df7fe7..35e21679d2 100644
--- a/arm_compute/core/utils/misc/ShapeCalculator.h
+++ b/arm_compute/core/utils/misc/ShapeCalculator.h
@@ -745,6 +745,28 @@ inline TensorShape compute_pool_shape(const ITensorInfo &input, PoolingLayerInfo
return output_shape;
}
+/** Calculate the output roi align shape of a tensor
+ *
+ * @param[in] input Input tensor info
+ * @param[in] rois Rois tensor info
+ * @param[in] pool_info Pooling layer info
+ *
+ * @return the calculated shape
+ */
+inline TensorShape compute_roi_align_shape(const ITensorInfo &input, const ITensorInfo &rois, ROIPoolingLayerInfo pool_info)
+{
+ TensorShape output_shape{ input.tensor_shape() };
+
+ const unsigned int idx_width = get_data_layout_dimension_index(input.data_layout(), DataLayoutDimension::WIDTH);
+ const unsigned int idx_height = get_data_layout_dimension_index(input.data_layout(), DataLayoutDimension::HEIGHT);
+
+ output_shape.set(idx_width, pool_info.pooled_width());
+ output_shape.set(idx_height, pool_info.pooled_height());
+ output_shape.set(3, rois.dimension(1));
+
+ return output_shape;
+}
+
/** Calculate the RNN shape of a tensor
*
* @param[in] input Input tensor info