| /* |
| * Copyright (c) 2018-2019 ARM Limited. |
| * |
| * SPDX-License-Identifier: MIT |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a copy |
| * of this software and associated documentation files (the "Software"), to |
| * deal in the Software without restriction, including without limitation the |
| * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or |
| * sell copies of the Software, and to permit persons to whom the Software is |
| * furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included in all |
| * copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| * SOFTWARE. |
| */ |
| #ifndef __ARM_COMPUTE_CPP_DETECTION_OUTPUT_LAYER_H__ |
| #define __ARM_COMPUTE_CPP_DETECTION_OUTPUT_LAYER_H__ |
| |
| #include "arm_compute/runtime/CPP/ICPPSimpleFunction.h" |
| |
| #include "arm_compute/core/Types.h" |
| |
| namespace arm_compute |
| { |
| class ITensor; |
| |
| /** CPP Function to generate the detection output based on location and confidence |
| * predictions by doing non maximum suppression. |
| * |
| * @note Intended for use with MultiBox detection method. |
| */ |
| class CPPDetectionOutputLayer : public IFunction |
| { |
| public: |
| /** Default constructor */ |
| CPPDetectionOutputLayer(); |
| /** Configure the detection output layer CPP kernel |
| * |
| * @param[in] input_loc The mbox location input tensor of size [C1, N]. Data types supported: F32. |
| * @param[in] input_conf The mbox confidence input tensor of size [C2, N]. Data types supported: F32. |
| * @param[in] input_priorbox The mbox prior box input tensor of size [C3, 2, N]. Data types supported: F32. |
| * @param[out] output The output tensor of size [7, M]. Data types supported: Same as @p input |
| * @param[in] info (Optional) DetectionOutputLayerInfo information. |
| * |
| * @note Output contains all the detections. Of those, only the ones selected by the valid region are valid. |
| */ |
| void configure(const ITensor *input_loc, const ITensor *input_conf, const ITensor *input_priorbox, ITensor *output, DetectionOutputLayerInfo info = DetectionOutputLayerInfo()); |
| /** Static function to check if given info will lead to a valid configuration of @ref CPPDetectionOutputLayer |
| * |
| * @param[in] input_loc The mbox location input tensor info. Data types supported: F32. |
| * @param[in] input_conf The mbox confidence input tensor info. Data types supported: F32. |
| * @param[in] input_priorbox The mbox prior box input tensor info. Data types supported: F32. |
| * @param[in] output The output tensor info. Data types supported: Same as @p input |
| * @param[in] info (Optional) DetectionOutputLayerInfo information. |
| * |
| * @return a status |
| */ |
| static Status validate(const ITensorInfo *input_loc, const ITensorInfo *input_conf, const ITensorInfo *input_priorbox, const ITensorInfo *output, |
| DetectionOutputLayerInfo info = DetectionOutputLayerInfo()); |
| // Inherited methods overridden: |
| void run() override; |
| /** Prevent instances of this class from being copied (As this class contains pointers) */ |
| CPPDetectionOutputLayer(const CPPDetectionOutputLayer &) = delete; |
| /** Prevent instances of this class from being copied (As this class contains pointers) */ |
| CPPDetectionOutputLayer &operator=(const CPPDetectionOutputLayer &) = delete; |
| |
| private: |
| const ITensor *_input_loc; |
| const ITensor *_input_conf; |
| const ITensor *_input_priorbox; |
| ITensor *_output; |
| DetectionOutputLayerInfo _info; |
| |
| int _num_priors; |
| int _num; |
| |
| std::vector<LabelBBox> _all_location_predictions; |
| std::vector<std::map<int, std::vector<float>>> _all_confidence_scores; |
| std::vector<BBox> _all_prior_bboxes; |
| std::vector<std::array<float, 4>> _all_prior_variances; |
| std::vector<LabelBBox> _all_decode_bboxes; |
| std::vector<std::map<int, std::vector<int>>> _all_indices; |
| }; |
| } // namespace arm_compute |
| #endif /* __ARM_COMPUTE_CPP_DETECTION_OUTPUT_LAYER_H__ */ |