115 lines
6.7 KiB
C
115 lines
6.7 KiB
C
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/*
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* Copyright (c) 2017-2020 Arm Limited.
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*
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* SPDX-License-Identifier: MIT
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to
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* deal in the Software without restriction, including without limitation the
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* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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* sell copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#ifndef ARM_COMPUTE_CLCANNYEDGE_H
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#define ARM_COMPUTE_CLCANNYEDGE_H
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#include "arm_compute/runtime/IFunction.h"
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#include "arm_compute/runtime/CL/CLTensor.h"
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#include "arm_compute/runtime/IMemoryManager.h"
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#include "arm_compute/runtime/MemoryGroup.h"
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#include <memory>
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namespace arm_compute
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{
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class CLCompileContext;
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class CLFillBorderKernel;
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class CLGradientKernel;
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class CLEdgeNonMaxSuppressionKernel;
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class CLEdgeTraceKernel;
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class ICLTensor;
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/** Basic function to execute canny edge on OpenCL. This function calls the following OpenCL kernels and functions:
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*
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* -# @ref CLFillBorderKernel (if border_mode == REPLICATE or border_mode == CONSTANT)
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* -# @ref CLSobel3x3 (if gradient_size == 3) or @ref CLSobel5x5 (if gradient_size == 5) or @ref CLSobel7x7 (if gradient_size == 7)
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* -# @ref CLGradientKernel
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* -# @ref CLEdgeNonMaxSuppressionKernel
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* -# @ref CLEdgeTraceKernel
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*
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* @deprecated This function is deprecated and is intended to be removed in 21.05 release
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*
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*/
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class CLCannyEdge : public IFunction
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{
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public:
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/** Constructor */
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CLCannyEdge(std::shared_ptr<IMemoryManager> memory_manager = nullptr);
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/** Prevent instances of this class from being copied (As this class contains pointers) */
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CLCannyEdge(const CLCannyEdge &) = delete;
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/** Prevent instances of this class from being copied (As this class contains pointers) */
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CLCannyEdge &operator=(const CLCannyEdge &) = delete;
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/** Default destructor */
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~CLCannyEdge();
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/** Initialise the function's source, destination, thresholds, gradient size, normalization type and border mode.
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*
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* @param[in,out] input Source tensor. Data types supported: U8. (Written to only for border_mode != UNDEFINED)
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* @param[out] output Destination tensor. Data types supported: U8.
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* @param[in] upper_thr Upper threshold used for the hysteresis.
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* @param[in] lower_thr Lower threshold used for the hysteresis.
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* @param[in] gradient_size Gradient size (3, 5 or 7).
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* @param[in] norm_type Normalization type. if 1, L1-Norm otherwise L2-Norm.
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* @param[in] border_mode Border mode to use for the convolution.
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* @param[in] constant_border_value (Optional) Constant value to use for borders if border_mode is set to CONSTANT.
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*/
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void configure(ICLTensor *input, ICLTensor *output, int32_t upper_thr, int32_t lower_thr, int32_t gradient_size, int32_t norm_type, BorderMode border_mode,
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uint8_t constant_border_value = 0);
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/** Initialise the function's source, destination, thresholds, gradient size, normalization type and border mode.
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*
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* @param[in] compile_context The compile context to be used.
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* @param[in,out] input Source tensor. Data types supported: U8. (Written to only for border_mode != UNDEFINED)
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* @param[out] output Destination tensor. Data types supported: U8.
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* @param[in] upper_thr Upper threshold used for the hysteresis.
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* @param[in] lower_thr Lower threshold used for the hysteresis.
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* @param[in] gradient_size Gradient size (3, 5 or 7).
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* @param[in] norm_type Normalization type. if 1, L1-Norm otherwise L2-Norm.
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* @param[in] border_mode Border mode to use for the convolution.
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* @param[in] constant_border_value (Optional) Constant value to use for borders if border_mode is set to CONSTANT.
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*/
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void configure(const CLCompileContext &compile_context, ICLTensor *input, ICLTensor *output, int32_t upper_thr, int32_t lower_thr, int32_t gradient_size, int32_t norm_type, BorderMode border_mode,
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uint8_t constant_border_value = 0);
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// Inherited methods overridden:
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virtual void run() override;
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private:
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MemoryGroup _memory_group; /**< Function's memory group */
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std::unique_ptr<IFunction> _sobel; /**< Pointer to Sobel kernel. */
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std::unique_ptr<CLGradientKernel> _gradient; /**< Gradient kernel. */
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std::unique_ptr<CLFillBorderKernel> _border_mag_gradient; /**< Fill border on magnitude tensor kernel */
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std::unique_ptr<CLEdgeNonMaxSuppressionKernel> _non_max_suppr; /**< Non-Maxima suppression kernel. */
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std::unique_ptr<CLEdgeTraceKernel> _edge_trace; /**< Edge tracing kernel. */
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CLImage _gx; /**< Source tensor - Gx component. */
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CLImage _gy; /**< Source tensor - Gy component. */
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CLImage _mag; /**< Source tensor - Magnitude. */
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CLImage _phase; /**< Source tensor - Phase. */
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CLImage _nonmax; /**< Source tensor - Non-Maxima suppressed. */
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CLImage _visited, _recorded, _l1_list_counter, _l1_stack; /**< Temporary tensors */
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ICLTensor *_output; /**< Output tensor provided by the user. */
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};
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} // namespace arm_compute
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#endif /* ARM_COMPUTE_CLCANNYEDGE_H */
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