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/*
* Copyright (c) 2021 Samsung Electronics Co., Ltd. All Rights Reserved
*
* 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 __ONERT_BACKEND_CPU_OPS_DPP_H__
#define __ONERT_BACKEND_CPU_OPS_DPP_H__
#include <exec/IFunction.h>
#include "OperationUtils.h"
namespace onert
{
namespace backend
{
namespace cpu
{
namespace ops
{
class DetectionPostProcessLayer : public ::onert::exec::IFunction
{
public:
struct CornerBox
{
float y1, x1;
float y2, x2;
};
struct CenterSizeBox
{
float y, x;
float h, w;
};
struct DetectionPostProcessParameters
{
const IPortableTensor *boxes_input;
const IPortableTensor *scores_input;
const IPortableTensor *anchors_input;
IPortableTensor *box_coords_output;
IPortableTensor *box_classes_output;
IPortableTensor *box_scores_output;
IPortableTensor *num_selections_output;
std::vector<int32_t> boxes_descr;
std::vector<int32_t> scrores_descr;
uint32_t max_detections;
float score_threshold;
float iou_threshold; // intersection-over-union
uint32_t max_boxes_per_class;
bool center_box_format = false;
int32_t num_classes;
int32_t max_classes_per_detection;
CenterSizeBox scales;
};
enum SelectionFormat
{
BOX_INDEX = 1,
CLASS_INDEX = 0
};
struct Allocations
{
int *selections_buffer = nullptr;
// TODO move all dynamic allocations here, and into configure phase
};
DetectionPostProcessLayer() : _parameters{}
{
// DO NOTHING
}
virtual ~DetectionPostProcessLayer();
public:
void configure(DetectionPostProcessParameters parameters);
void run() override;
private:
DetectionPostProcessParameters _parameters;
Allocations _allocations;
};
} // namespace ops
} // namespace cpu
} // namespace backend
} // namespace onert
#endif // __ONERT_BACKEND_CPU_OPS_DPP_H__
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