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