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diff --git a/arm_compute/core/NEON/kernels/NEHOGDescriptorKernel.h b/arm_compute/core/NEON/kernels/NEHOGDescriptorKernel.h
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-/*
- * Copyright (c) 2016-2019 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_NEHOGDESCRIPTORKERNEL_H
-#define ARM_COMPUTE_NEHOGDESCRIPTORKERNEL_H
-
-#include "arm_compute/core/IHOG.h"
-#include "arm_compute/core/NEON/INEKernel.h"
-#include "arm_compute/core/Size2D.h"
-
-namespace arm_compute
-{
-class ITensor;
-
-/** NEON kernel to perform HOG Orientation Binning */
-class NEHOGOrientationBinningKernel : public INEKernel
-{
-public:
- const char *name() const override
- {
- return "NEHOGOrientationBinningKernel";
- }
- /** Default constructor */
- NEHOGOrientationBinningKernel();
- /** Prevent instances of this class from being copied (As this class contains pointers) */
- NEHOGOrientationBinningKernel(const NEHOGOrientationBinningKernel &) = delete;
- /** Prevent instances of this class from being copied (As this class contains pointers) */
- NEHOGOrientationBinningKernel &operator=(const NEHOGOrientationBinningKernel &) = delete;
- /** Allow instances of this class to be moved */
- NEHOGOrientationBinningKernel(NEHOGOrientationBinningKernel &&) = default;
- /** Allow instances of this class to be moved */
- NEHOGOrientationBinningKernel &operator=(NEHOGOrientationBinningKernel &&) = default;
- /** Default destructor */
- ~NEHOGOrientationBinningKernel() = default;
-
- /** Initialise the kernel's inputs, output and HOG's metadata
- *
- * @param[in] input_magnitude Input tensor which stores the magnitude of the gradient for each pixel. Data type supported: S16.
- * @param[in] input_phase Input tensor which stores the phase of the gradient for each pixel. Data type supported: U8
- * @param[out] output Output tensor which stores the local HOG for each cell. Data type supported: F32. Number of channels supported: equal to the number of histogram bins per cell
- * @param[in] hog_info HOG's metadata
- */
- void configure(const ITensor *input_magnitude, const ITensor *input_phase, ITensor *output, const HOGInfo *hog_info);
-
- // Inherited methods overridden:
- void run(const Window &window, const ThreadInfo &info) override;
-
-private:
- /** Common signature for all the specialised block normalization functions
- *
- * @param[in] mag_row_ptr Pointer to the first row of the cell in the magnitude tensor
- * @param[in] phase_row_ptr Pointer to the first row of the cell in the phase tensor
- * @param[out] output_ptr Pointer to the output cell of hog space tensor
- * @param[in] mag_stride Stride of the magnitude tensor
- * @param[in] phase_stride Stride of the phase tensor
- * @param[in] cell_width Width of the cell
- * @param[in] cell_height Height of the cell
- * @param[in] num_bins Number of bins for each cell
- * @param[in] phase_scale Scale factor to apply to the phase in order to calculate the histogram index
- */
- using OrientBinFunc = void(const int16_t *__restrict mag_row_ptr, const uint8_t *__restrict phase_row_ptr, float *__restrict output_ptr, size_t mag_stride, size_t phase_stride, size_t cell_width,
- size_t cell_height, size_t num_bins, float phase_scale);
- /** Orientation binning function to use for the particular cell width passed to configure() */
- OrientBinFunc *_func;
- const ITensor *_input_magnitude;
- const ITensor *_input_phase;
- ITensor *_output;
- size_t _cell_width;
- size_t _cell_height;
- size_t _num_bins;
- float _phase_scale;
-};
-
-/** NEON kernel to perform HOG block normalization */
-class NEHOGBlockNormalizationKernel : public INEKernel
-{
-public:
- const char *name() const override
- {
- return "NEHOGBlockNormalizationKernel";
- }
- /** Default constructor */
- NEHOGBlockNormalizationKernel();
- /** Prevent instances of this class from being copied (As this class contains pointers) */
- NEHOGBlockNormalizationKernel(const NEHOGBlockNormalizationKernel &) = delete;
- /** Prevent instances of this class from being copied (As this class contains pointers) */
- NEHOGBlockNormalizationKernel &operator=(const NEHOGBlockNormalizationKernel &) = delete;
- /** Allow instances of this class to be moved */
- NEHOGBlockNormalizationKernel(NEHOGBlockNormalizationKernel &&) = default;
- /** Allow instances of this class to be moved */
- NEHOGBlockNormalizationKernel &operator=(NEHOGBlockNormalizationKernel &&) = default;
- /** Default destructor */
- ~NEHOGBlockNormalizationKernel() = default;
-
- /** Initialise the kernel's input, output and HOG's metadata
- *
- * @param[in] input Input tensor which stores the local HOG for each cell. Data type supported: F32. Number of channels supported: equal to the number of histogram bins per cell
- * @param[out] output Output tensor which stores the normalised blocks. Data type supported: F32. Number of channels supported: equal to the number of histogram bins per block
- * @param[in] hog_info HOG's metadata
- */
- void configure(const ITensor *input, ITensor *output, const HOGInfo *hog_info);
-
- // Inherited methods overridden:
- void run(const Window &window, const ThreadInfo &info) override;
-
-private:
- /** Common signature for all the specialised block normalization functions
- *
- * @param[in] input_row_ptr Pointer to the first row of the block in the input hog space tensor
- * @param[out] output_ptr Pointer to the output block of the hog normalized space
- * @param[in] input_stride Stride of the input hog space tensor
- * @param[in] num_cells_per_block_height Number of cells per block along the Y direction
- * @param[in] num_bins_block_x Number of bins per block along the X direction
- * @param[in] num_bins_block Number of total bins per block
- * @param[in] l2_hyst_threshold Threshold to use for l2 hysteresis normalization
- */
- using BlockNormFunc = void(const float *input_row_ptr, float *output_ptr, size_t input_stride, size_t num_cells_per_block_height, size_t num_bins_block_x, size_t num_bins_block,
- float l2_hyst_threshold);
- /** Block normalization function to use for the particular normalization type passed to configure() */
- BlockNormFunc *_func;
- const ITensor *_input;
- ITensor *_output;
- Size2D _num_cells_per_block;
- Size2D _num_cells_per_block_stride;
- size_t _num_bins;
- float _l2_hyst_threshold;
-};
-} // namespace arm_compute
-#endif /* ARM_COMPUTE_NEHOGDESCRIPTORKERNEL_H */