107 lines
5.3 KiB
C++
107 lines
5.3 KiB
C++
/*
|
|
* Copyright (c) 2017-2020 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_NECANNYEDGE_H
|
|
#define ARM_COMPUTE_NECANNYEDGE_H
|
|
|
|
#include "arm_compute/core/Types.h"
|
|
#include "arm_compute/runtime/IFunction.h"
|
|
#include "arm_compute/runtime/IMemoryManager.h"
|
|
#include "arm_compute/runtime/MemoryGroup.h"
|
|
#include "arm_compute/runtime/Tensor.h"
|
|
|
|
#include <cstdint>
|
|
#include <memory>
|
|
|
|
namespace arm_compute
|
|
{
|
|
class ITensor;
|
|
class NEGradientKernel;
|
|
class NEFillBorderKernel;
|
|
class NEEdgeNonMaxSuppressionKernel;
|
|
class NEEdgeTraceKernel;
|
|
|
|
/** Basic function to execute canny edge on NEON. This function calls the following NEON kernels and functions:
|
|
*
|
|
* -# @ref NEFillBorderKernel (if border_mode == REPLICATE or border_mode == CONSTANT)
|
|
* -# @ref NESobel3x3 (if gradient_size == 3) or
|
|
* @ref NESobel5x5 (if gradient_size == 5) or
|
|
* @ref NESobel7x7 (if gradient_size == 7)
|
|
* -# @ref NEGradientKernel
|
|
* -# @ref NEEdgeNonMaxSuppressionKernel
|
|
* -# @ref NEEdgeTraceKernel
|
|
*
|
|
* @deprecated This function is deprecated and is intended to be removed in 21.05 release
|
|
*
|
|
*
|
|
*/
|
|
class NECannyEdge : public IFunction
|
|
{
|
|
public:
|
|
/** Constructor
|
|
*
|
|
* Initialize Sobel kernel to nullptr.
|
|
*
|
|
* @param[in] memory_manager (Optional) Memory manager.
|
|
*/
|
|
NECannyEdge(std::shared_ptr<IMemoryManager> memory_manager = nullptr);
|
|
/** Prevent instances of this class from being copied (As this class contains pointers) */
|
|
NECannyEdge(const NECannyEdge &) = delete;
|
|
/** Prevent instances of this class from being copied (As this class contains pointers) */
|
|
NECannyEdge &operator=(const NECannyEdge &) = delete;
|
|
/** Default destructor */
|
|
~NECannyEdge();
|
|
/** Initialise the function's source, destination, thresholds, gradient size, normalization type and border mode.
|
|
*
|
|
* @param[in, out] input Source tensor. Data type supported: U8. (Written to only for @p border_mode != UNDEFINED)
|
|
* @param[out] output Destination tensor. Data type supported: U8.
|
|
* @param[in] upper_thr Upper threhold used for the hysteresis
|
|
* @param[in] lower_thr Lower threshold used for the hysteresis.
|
|
* @param[in] gradient_size Gradient size (3, 5 or 7)
|
|
* @param[in] norm_type Normalization type. If 1, L1-Norm otherwise L2-Norm
|
|
* @param[in] border_mode Border mode to use for the convolution.
|
|
* @param[in] constant_border_value (Optional) Constant value to use for borders if border_mode is set to CONSTANT.
|
|
*/
|
|
void configure(ITensor *input, ITensor *output, int32_t upper_thr, int32_t lower_thr, int32_t gradient_size, int32_t norm_type, BorderMode border_mode, uint8_t constant_border_value = 0);
|
|
|
|
// Inherited methods overridden:
|
|
void run() override;
|
|
|
|
private:
|
|
MemoryGroup _memory_group; /**< Function's memory group */
|
|
std::unique_ptr<IFunction> _sobel; /**< Pointer to Sobel kernel */
|
|
std::unique_ptr<NEGradientKernel> _gradient; /**< Gradient kernel */
|
|
std::unique_ptr<NEEdgeNonMaxSuppressionKernel> _non_max_suppr; /**< Non-Maxima suppression kernel */
|
|
std::unique_ptr<NEEdgeTraceKernel> _edge_trace; /**< Edge tracing kernel */
|
|
std::unique_ptr<NEFillBorderKernel> _border_mag_gradient; /**< Fill border on magnitude tensor kernel */
|
|
std::unique_ptr<NEFillBorderKernel> _border_edge_trace; /**< Fill border before edge trace */
|
|
Tensor _gx; /**< Source tensor - Gx component */
|
|
Tensor _gy; /**< Source tensor - Gy component */
|
|
Tensor _magnitude; /**< Source tensor - Magnitude */
|
|
Tensor _phase; /**< Source tensor - Phase */
|
|
Tensor _nonmax; /**< Source tensor - Non-Maxima suppressed */
|
|
ITensor *_output; /**< Output tensor provided by the user. */
|
|
};
|
|
}
|
|
#endif /* ARM_COMPUTE_NECANNYEDGE_H */
|