| /* |
| * 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_NENONLINEARFILTERKERNEL_H |
| #define ARM_COMPUTE_NENONLINEARFILTERKERNEL_H |
| |
| #include "arm_compute/core/NEON/INEKernel.h" |
| #include "arm_compute/core/Types.h" |
| |
| #include <cstdint> |
| |
| namespace arm_compute |
| { |
| class ITensor; |
| |
| /** Interface for the kernel to apply a non-linear filter */ |
| class NENonLinearFilterKernel : public INEKernel |
| { |
| public: |
| const char *name() const override |
| { |
| return "NENonLinearFilterKernel"; |
| } |
| /** Default constructor */ |
| NENonLinearFilterKernel(); |
| /** Prevent instances of this class from being copied (As this class contains pointers) */ |
| NENonLinearFilterKernel(NENonLinearFilterKernel &) = delete; |
| /** Prevent instances of this class from being copied (As this class contains pointers) */ |
| NENonLinearFilterKernel &operator=(NENonLinearFilterKernel &) = delete; |
| /** Allow instances of this class to be moved */ |
| NENonLinearFilterKernel(NENonLinearFilterKernel &&) = default; |
| /** Allow instances of this class to be moved */ |
| NENonLinearFilterKernel &operator=(NENonLinearFilterKernel &&) = default; |
| /** Set the source, destination and border mode of the kernel |
| * |
| * @param[in] input Source tensor. Data type supported: U8 |
| * @param[out] output Destination tensor. Data type supported: U8 |
| * @param[in] function Non linear function to perform |
| * @param[in] mask_size Mask size. Supported sizes: 3, 5 |
| * @param[in] pattern Mask pattern |
| * @param[in] mask The given mask. Will be used only if pattern is specified to PATTERN_OTHER |
| * @param[in] border_undefined True if the border mode is undefined. False if it's replicate or constant. |
| */ |
| void configure(const ITensor *input, ITensor *output, NonLinearFilterFunction function, unsigned int mask_size, MatrixPattern pattern, const uint8_t *mask, bool border_undefined); |
| |
| // Inherited methods overridden: |
| void run(const Window &window, const ThreadInfo &info) override; |
| BorderSize border_size() const override; |
| |
| private: |
| /** Fill mask with the corresponding given pattern. |
| * |
| * @param[in,out] mask Mask to be filled according to pattern |
| * @param[in] cols Columns (width) of mask |
| * @param[in] rows Rows (height) of mask |
| * @param[in] pattern Pattern to fill the mask according to |
| */ |
| void fill_mask(uint8_t *mask, int cols, int rows, MatrixPattern pattern); |
| /** Apply a median filter when given mask pattern is defined as box. |
| * |
| * @param[in] win Window to apply the filter on. |
| */ |
| template <int mask_w, int mask_h> |
| void median_filter_box(const Window &win); |
| /** Apply a min filter when given mask pattern is defined as box. |
| * |
| * @param[in] win Window to apply the filter on. |
| */ |
| template <int mask_w, int mask_h> |
| void min_filter_box(const Window &win); |
| /** Apply a max filter when given mask pattern is defined as box. |
| * |
| * @param[in] win Window to apply the filter on. |
| */ |
| template <int mask_w, int mask_h> |
| void max_filter_box(const Window &win); |
| /** Apply a median filter when given mask pattern is defined as cross. |
| * |
| * @param[in] win Window to apply the filter on. |
| */ |
| template <int mask_w, int mask_h> |
| void median_filter_cross(const Window &win); |
| /** Apply a min filter when given mask pattern is defined as cross. |
| * |
| * @param[in] win Window to apply the filter on. |
| */ |
| template <int mask_w, int mask_h> |
| void min_filter_cross(const Window &win); |
| /** Apply a max filter when given mask pattern is defined as cross. |
| * |
| * @param[in] win Window to apply the filter on. |
| */ |
| template <int mask_w, int mask_h> |
| void max_filter_cross(const Window &win); |
| /** Apply a median filter when given mask pattern is defined as disk. |
| * |
| * @param[in] win Window to apply the filter on. |
| */ |
| template <int mask_w, int mask_h> |
| void median_filter_disk(const Window &win); |
| /** Apply a min filter when given mask pattern is defined as disk. |
| * |
| * @param[in] win Window to apply the filter on. |
| */ |
| template <int mask_w, int mask_h> |
| void min_filter_disk(const Window &win); |
| /** Apply a max filter when given mask pattern is defined as disk. |
| * |
| * @param[in] win Window to apply the filter on. |
| */ |
| template <int mask_w, int mask_h> |
| void max_filter_disk(const Window &win); |
| /** Apply a non-linear filter when given mask has user-defined pattern. |
| * |
| * @param[in] win Window to apply the filter on. |
| */ |
| template <int mask_w, int mask_h> |
| void non_linear_filter_generic(const Window &win); |
| |
| private: |
| unsigned int _border_width; |
| const ITensor *_input; |
| ITensor *_output; |
| const uint8_t *_mask; |
| MatrixPattern _pattern; |
| NonLinearFilterFunction _function; |
| unsigned int _func_idx; |
| BorderSize _border_size; |
| }; |
| } // namespace arm_compute |
| #endif /*ARM_COMPUTE_NENONLINEARFILTERKERNEL_H */ |