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author | Isabella Gottardi <isabella.gottardi@arm.com> | 2019-07-15 17:33:07 +0100 |
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committer | Isabella Gottardi <isabella.gottardi@arm.com> | 2019-07-29 13:01:03 +0000 |
commit | 883bad7ef34c3429b3338d5544a8cdf3b60cd1e8 (patch) | |
tree | 8e8a485c2581137c643003466ea1c467a579ba99 /arm_compute/core/CPP/kernels | |
parent | bd9097db81f229c2d7bbafc2bcf392b7c1c49b58 (diff) | |
download | ComputeLibrary-883bad7ef34c3429b3338d5544a8cdf3b60cd1e8.tar.gz |
COMPMID-1849: Add DetectorPostProcess operator
Part1 - Rework of CPPNonMaximumSuppression
Change-Id: I2b34fbd12188db49b0ac050a12312494eeefd819
Signed-off-by: Isabella Gottardi <isabella.gottardi@arm.com>
Reviewed-on: https://review.mlplatform.org/c/1585
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Michele Di Giorgio <michele.digiorgio@arm.com>
Diffstat (limited to 'arm_compute/core/CPP/kernels')
-rw-r--r-- | arm_compute/core/CPP/kernels/CPPNonMaximumSuppressionKernel.h | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/arm_compute/core/CPP/kernels/CPPNonMaximumSuppressionKernel.h b/arm_compute/core/CPP/kernels/CPPNonMaximumSuppressionKernel.h new file mode 100644 index 0000000000..dd035d5cb1 --- /dev/null +++ b/arm_compute/core/CPP/kernels/CPPNonMaximumSuppressionKernel.h @@ -0,0 +1,102 @@ +/* + * 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; + + std::vector<float> _scores_above_thd_vector; + std::vector<int> _indices_above_thd_vector; + std::vector<bool> _visited; + std::vector<unsigned int> _sorted_indices; +}; +} // namespace arm_compute +#endif /* __ARM_COMPUTE_CPP_NONMAXIMUMSUPPRESSIONKERNEL_LAYER_H__ */ |