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Diffstat (limited to 'src/core/NEON/kernels/NENonLinearFilterKernel.h')
-rw-r--r-- | src/core/NEON/kernels/NENonLinearFilterKernel.h | 153 |
1 files changed, 153 insertions, 0 deletions
diff --git a/src/core/NEON/kernels/NENonLinearFilterKernel.h b/src/core/NEON/kernels/NENonLinearFilterKernel.h new file mode 100644 index 0000000000..3cef12e8ec --- /dev/null +++ b/src/core/NEON/kernels/NENonLinearFilterKernel.h @@ -0,0 +1,153 @@ +/* + * Copyright (c) 2016-2020 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/Types.h" +#include "src/core/NEON/INEKernel.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; + /** Default destructor */ + ~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 */ |