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Diffstat (limited to 'arm_compute/core/NEON/kernels/NECannyEdgeKernel.h')
| -rw-r--r-- | arm_compute/core/NEON/kernels/NECannyEdgeKernel.h | 189 |
1 files changed, 0 insertions, 189 deletions
diff --git a/arm_compute/core/NEON/kernels/NECannyEdgeKernel.h b/arm_compute/core/NEON/kernels/NECannyEdgeKernel.h deleted file mode 100644 index 1979c5bd2b..0000000000 --- a/arm_compute/core/NEON/kernels/NECannyEdgeKernel.h +++ /dev/null @@ -1,189 +0,0 @@ -/* - * 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_NECANNYEDGEKERNEL_H -#define ARM_COMPUTE_NECANNYEDGEKERNEL_H - -#include "arm_compute/core/NEON/INEKernel.h" - -#include <cstdint> - -namespace arm_compute -{ -class ITensor; - -/** Computes magnitude and quantised phase from inputs gradients. */ -class NEGradientKernel : public INEKernel -{ -public: - const char *name() const override - { - return "NEGradientKernel"; - } - /** Default constructor */ - NEGradientKernel(); - /** Prevent instances of this class from being copied (As this class contains pointers) */ - NEGradientKernel(const NEGradientKernel &) = delete; - /** Prevent instances of this class from being copied (As this class contains pointers) */ - NEGradientKernel &operator=(const NEGradientKernel &) = delete; - /** Allow instances of this class to be moved */ - NEGradientKernel(NEGradientKernel &&) = default; - /** Allow instances of this class to be moved */ - NEGradientKernel &operator=(NEGradientKernel &&) = default; - /** Default destructor */ - virtual ~NEGradientKernel() = default; - - /** Initialise the kernel's sources, destinations and border mode. - * - * @note gx, gy and magnitude must all be the same size (either 16 or 32) - * - * @param[in] gx Source tensor - Gx component. Data type supported: S16/S32. - * @param[in] gy Source tensor - Gy component. Data type supported: same as @p gx. - * @param[out] magnitude Destination tensor - Magnitude. Data type supported: U16 (if the data type of @p gx is S16) / U32 (if the data type of @p gx is S32). - * @param[out] phase Destination tensor - Quantized phase. Data type supported: U8. - * @param[in] norm_type Normalization type. If 1, L1-Norm otherwise L2-Norm - */ - virtual void configure(const ITensor *gx, const ITensor *gy, ITensor *magnitude, ITensor *phase, int32_t norm_type); - - // Inherited methods overridden: - void run(const Window &window, const ThreadInfo &info) override; - -protected: - /** Common signature for all the specialised gradient functions - * - * @param[in] gx_ptr Pointer to the first input tensor. - * @param[in] gy_ptr Pointer to the second input tensor. - * @param[out] magnitude_ptr Pointer to the first output tensor - * @param[out] phase_ptr Pointer to the second output tensor - */ - using GradientFunction = void(const void *__restrict gx_ptr, const void *__restrict gy_ptr, void *__restrict magnitude_ptr, void *__restrict phase_ptr); - - GradientFunction *_func; /**< Gradient function to use for the particular tensor types passed to configure() */ - const ITensor *_gx; /**< Source tensor - Gx component */ - const ITensor *_gy; /**< Source tensor - Gy component */ - ITensor *_magnitude; /**< Destination tensor - Magnitude */ - ITensor *_phase; /**< Destination tensor - Quantized phase */ -}; - -/** NEON kernel to perform Non-Maxima suppression for Canny Edge. - * - * @note This kernel is meant to be used alongside CannyEdge and performs a non-maxima suppression using magnitude and phase of input - * to characterize points as possible edges. Thus, at the end, each point will be set to EDGE, NO_EDGE or MAYBE. - * - * @note Hysteresis is computed in @ref NEEdgeTraceKernel - */ -class NEEdgeNonMaxSuppressionKernel : public INEKernel -{ -public: - const char *name() const override - { - return "NEEdgeNonMaxSuppressionKernel"; - } - /** Default constructor */ - NEEdgeNonMaxSuppressionKernel(); - /** Prevent instances of this class from being copied (As this class contains pointers) */ - NEEdgeNonMaxSuppressionKernel(const NEEdgeNonMaxSuppressionKernel &) = delete; - /** Prevent instances of this class from being copied (As this class contains pointers) */ - NEEdgeNonMaxSuppressionKernel &operator=(const NEEdgeNonMaxSuppressionKernel &) = delete; - /** Allow instances of this class to be moved */ - NEEdgeNonMaxSuppressionKernel(NEEdgeNonMaxSuppressionKernel &&) = default; - /** Allow instances of this class to be moved */ - NEEdgeNonMaxSuppressionKernel &operator=(NEEdgeNonMaxSuppressionKernel &&) = default; - /** Default destructor */ - ~NEEdgeNonMaxSuppressionKernel() = default; - - /** Initialise the kernel's sources, destination and border mode. - * - * @param[in] magnitude Source tensor - Magnitude. Data type supported: U16/U32. - * @param[in] phase Source tensor - Quantized phase. Data type supported: U8. - * @param[out] output Output tensor. Data type supported: U8. It will be filled with 0 for "no edge", 127 for "maybe", 255 for "edge" - * @param[in] upper_thr Upper threshold used for the hysteresis - * @param[in] lower_thr Lower threshold used for the hysteresis - * @param[in] border_undefined True if the border mode is undefined. False if it's replicate or constant. - */ - void configure(const ITensor *magnitude, const ITensor *phase, ITensor *output, int32_t upper_thr, int32_t lower_thr, bool border_undefined); - - // Inherited methods overridden: - void run(const Window &window, const ThreadInfo &info) override; - BorderSize border_size() const override; - -private: - /** Common signature for all the specialised non-maxima suppression functions - * - * @param[in] magnitude_ptr Pointer to the first input tensor. - * @param[in] phase_ptr Pointer to the second input tensor. - * @param[out] output_ptr Pointer to the output tensor - * @param[in] stride_mag Stride of the magnitude tensor - * @param[in] upper_thr Upper threshold used for the hysteresis - * @param[in] lower_thr Lower threshold used for the hysteresis - */ - using EdgeNonMaxSupprFunction = void(const void *__restrict magnitude_ptr, const void *__restrict phase_ptr, void *__restrict output_ptr, const uint32_t stride_mag, const int32_t upper_thr, - const int32_t lower_thr); - - EdgeNonMaxSupprFunction *_func; /**< Non-Maxima suppression function to use for the particular tensor types passed to configure() */ - const ITensor *_magnitude; /**< Source tensor - Magnitude */ - const ITensor *_phase; /**< Source tensor - Quantized phase */ - ITensor *_output; /**< Destination tensor */ - int32_t _lower_thr; /**< Lower threshold used for the hysteresis */ - int32_t _upper_thr; /**< Upper threshold used for the hysteresis */ -}; - -/** NEON kernel to perform Edge tracing */ -class NEEdgeTraceKernel : public INEKernel -{ -public: - const char *name() const override - { - return "NEEdgeTraceKernel"; - } - /** Default constructor */ - NEEdgeTraceKernel(); - /** Prevent instances of this class from being copied (As this class contains pointers) */ - NEEdgeTraceKernel(const NEEdgeTraceKernel &) = delete; - /** Prevent instances of this class from being copied (As this class contains pointers) */ - NEEdgeTraceKernel &operator=(const NEEdgeTraceKernel &) = delete; - /** Allow instances of this class to be moved */ - NEEdgeTraceKernel(NEEdgeTraceKernel &&) = default; - /** Allow instances of this class to be moved */ - NEEdgeTraceKernel &operator=(NEEdgeTraceKernel &&) = default; - /** Default constructor */ - ~NEEdgeTraceKernel() = default; - - /** Initialise the kernel's source, destination and border mode. - * - * @param[in,out] input Source tensor. Data type supported: U8. Must contain 0 for "no edge", 127 for "maybe", 255 for "edge" - * @param[in,out] output Destination tensor. Data type supported: U8. Must be initialized to 0 (No edge). - */ - void configure(ITensor *input, ITensor *output); - - // Inherited methods overridden: - void run(const Window &window, const ThreadInfo &info) override; - BorderSize border_size() const override; - bool is_parallelisable() const override; - -private: - ITensor *_input; /**< Source tensor */ - ITensor *_output; /**< Destination tensor */ -}; -} // namespace arm_compute -#endif /* ARM_COMPUTE_NECANNYEDGEKERNEL_H */ |