| /* |
| * Copyright (c) 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_NONMAXIMUMSUPPRESSIONKERNEL_LAYER_H |
| #define ARM_COMPUTE_CPP_NONMAXIMUMSUPPRESSIONKERNEL_LAYER_H |
| |
| #include "arm_compute/runtime/CPP/ICPPSimpleFunction.h" |
| |
| #include "arm_compute/core/Types.h" |
| |
| namespace arm_compute |
| { |
| class ITensor; |
| |
| /** CPP Function to perform non maximum suppression on the bounding boxes and scores |
| * |
| */ |
| class CPPNonMaximumSuppressionKernel : public ICPPKernel |
| { |
| public: |
| const char *name() const override |
| { |
| return "CPPNonMaximumSuppressionKernel"; |
| } |
| /** Default constructor */ |
| CPPNonMaximumSuppressionKernel(); |
| /** Prevent instances of this class from being copied (As this class contains pointers) */ |
| CPPNonMaximumSuppressionKernel(const CPPNonMaximumSuppressionKernel &) = delete; |
| /** Prevent instances of this class from being copied (As this class contains pointers) */ |
| CPPNonMaximumSuppressionKernel &operator=(const CPPNonMaximumSuppressionKernel &) = delete; |
| /** Allow instances of this class to be moved */ |
| CPPNonMaximumSuppressionKernel(CPPNonMaximumSuppressionKernel &&) = default; |
| /** Allow instances of this class to be moved */ |
| CPPNonMaximumSuppressionKernel &operator=(CPPNonMaximumSuppressionKernel &&) = default; |
| /** Default destructor */ |
| ~CPPNonMaximumSuppressionKernel() = default; |
| |
| /** Configure the kernel to perform non maximal suppression |
| * |
| * @param[in] input_bboxes The input bounding boxes. Data types supported: F32. |
| * @param[in] input_scores The corresponding input confidence. Same as @p input_bboxes. |
| * @param[out] output_indices The kept indices of bboxes after nms. Data types supported: S32. |
| * @param[in] max_output_size An integer tensor representing the maximum number of boxes to be selected by non max suppression. |
| * @param[in] score_threshold The threshold used to filter detection results. |
| * @param[in] iou_threshold The threshold used in non maximum suppression. |
| * |
| */ |
| void configure(const ITensor *input_bboxes, const ITensor *input_scores, ITensor *output_indices, unsigned int max_output_size, const float score_threshold, const float iou_threshold); |
| |
| /** Static function to check if given arguments will lead to a valid configuration of @ref CPPNonMaximumSuppressionKernel |
| * |
| * @param[in] input_bboxes The input bounding boxes tensor info. Data types supported: F32. |
| * @param[in] input_scores The corresponding input confidence tensor info. Same as @p input_bboxes. |
| * @param[out] output_indices The kept indices of bboxes after nms tensor info. Data types supported: S32. |
| * @param[in] max_output_size An integer tensor representing the maximum number of boxes to be selected by non max suppression. |
| * @param[in] score_threshold The threshold used to filter detection results. |
| * @param[in] iou_threshold The threshold used in non maximum suppression. |
| * |
| */ |
| static Status validate(const ITensorInfo *input_bboxes, const ITensorInfo *input_scores, const ITensorInfo *output_indices, unsigned int max_output_size, |
| const float score_threshold, const float iou_threshold); |
| |
| // Inherited methods overridden: |
| void run(const Window &window, const ThreadInfo &info) override; |
| |
| private: |
| const ITensor *_input_bboxes; |
| const ITensor *_input_scores; |
| ITensor *_output_indices; |
| unsigned int _max_output_size; |
| float _score_threshold; |
| float _iou_threshold; |
| |
| unsigned int _num_boxes; |
| }; |
| } // namespace arm_compute |
| #endif /* ARM_COMPUTE_CPP_NONMAXIMUMSUPPRESSIONKERNEL_LAYER_H */ |