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/*
* 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_NEHOGDESCRIPTOR_H
#define ARM_COMPUTE_NEHOGDESCRIPTOR_H
#include "arm_compute/runtime/IFunction.h"
#include "arm_compute/runtime/IMemoryManager.h"
#include "arm_compute/runtime/MemoryGroup.h"
#include "arm_compute/runtime/NEON/functions/NEHOGGradient.h"
#include "arm_compute/runtime/Tensor.h"
#include <memory>
namespace arm_compute
{
class IHOG;
class NEHOGOrientationBinningKernel;
class NEHOGBlockNormalizationKernel;
/** Basic function to calculate HOG descriptor. This function calls the following NEON kernels:
*
* -# @ref NEHOGGradient
* -# @ref NEHOGOrientationBinningKernel
* -# @ref NEHOGBlockNormalizationKernel
*
* @deprecated This function is deprecated and is intended to be removed in 21.05 release
*
*/
class NEHOGDescriptor : public IFunction
{
public:
/** Default constructor */
NEHOGDescriptor(std::shared_ptr<IMemoryManager> memory_manager = nullptr);
/** Prevent instances of this class from being copied (As this class contains pointers) */
NEHOGDescriptor(const NEHOGDescriptor &) = delete;
/** Prevent instances of this class from being copied (As this class contains pointers) */
NEHOGDescriptor &operator=(const NEHOGDescriptor &) = delete;
/** Prevent instances of this class from being moved (As this class contains non movable objects) */
NEHOGDescriptor(NEHOGDescriptor &&) = delete;
/** Prevent instances of this class from being moved (As this class contains non movable objects) */
NEHOGDescriptor &operator=(NEHOGDescriptor &&) = delete;
/** Default destructor */
~NEHOGDescriptor();
/** Initialise the function's source, destination, HOG data-object and border mode
*
* @param[in, out] input Input tensor. Data type supported: U8
* (Written to only for @p border_mode != UNDEFINED)
* @param[out] output Output tensor which stores the HOG descriptor. DataType supported: F32. The number of channels is equal to the number of histogram bins per block
* @param[in] hog HOG data object which describes the HOG descriptor
* @param[in] border_mode Border mode to use.
* @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, const IHOG *hog, BorderMode border_mode, uint8_t constant_border_value = 0);
// Inherited method overridden:
void run() override;
private:
MemoryGroup _memory_group;
NEHOGGradient _gradient;
std::unique_ptr<NEHOGOrientationBinningKernel> _orient_bin;
std::unique_ptr<NEHOGBlockNormalizationKernel> _block_norm;
Tensor _mag;
Tensor _phase;
Tensor _hog_space;
};
}
#endif /* ARM_COMPUTE_NEHOGDESCRIPTOR_H */
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