1 // 2 // Copyright © 2017-2023 Arm Ltd and Contributors. All rights reserved. 3 // SPDX-License-Identifier: MIT 4 // 5 6 #pragma once 7 8 #include "LayerWithParameters.hpp" 9 10 namespace armnn 11 { 12 13 class ScopedTensorHandle; 14 15 /// This layer represents a detection postprocess operator. 16 class DetectionPostProcessLayer : public LayerWithParameters<DetectionPostProcessDescriptor> 17 { 18 public: 19 /// A unique pointer to store Anchor values. 20 std::shared_ptr<ConstTensorHandle> m_Anchors; 21 22 /// Makes a workload for the DetectionPostProcess type. 23 /// @param [in] graph The graph where this layer can be found. 24 /// @param [in] factory The workload factory which will create the workload. 25 /// @return A pointer to the created workload, or nullptr if not created. 26 virtual std::unique_ptr<IWorkload> CreateWorkload(const IWorkloadFactory& factory) const override; 27 28 /// Creates a dynamically-allocated copy of this layer. 29 /// @param [in] graph The graph into which this layer is being cloned. 30 DetectionPostProcessLayer* Clone(Graph& graph) const override; 31 32 /// Check if the input tensor shape(s) 33 /// will lead to a valid configuration of @ref DetectionPostProcessLayer. 34 /// @param [in] shapeInferenceMethod Indicates if output shape shall be overwritten or just validated. 35 void ValidateTensorShapesFromInputs() override; 36 37 /// The model does not specify the output shapes. The output shapes are calculated from the max_detection and 38 /// max_classes_per_detection parameters in the DetectionPostProcessDescriptor. 39 /// @param [in] inputShapes The input shapes layer has. These are ignored for DetectionPostProcessLayer. 40 /// @return A vector to the inferred output shape. 41 std::vector<TensorShape> InferOutputShapes(const std::vector<TensorShape>& inputShapes) const override; 42 43 void ExecuteStrategy(IStrategy& strategy) const override; 44 45 protected: 46 /// Constructor to create a DetectionPostProcessLayer. 47 /// @param [in] param DetectionPostProcessDescriptor to configure the detection postprocess. 48 /// @param [in] name Optional name for the layer. 49 DetectionPostProcessLayer(const DetectionPostProcessDescriptor& param, const char* name); 50 51 /// Default destructor 52 ~DetectionPostProcessLayer() = default; 53 54 /// Retrieve the handles to the constant values stored by the layer. 55 /// @return A vector of the constant tensors stored by this layer. 56 ImmutableConstantTensors GetConstantTensorsByRef() const override; 57 }; 58 59 } // namespace armnn 60 61