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/*
* 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_NEHOGDETECTOR_H
#define ARM_COMPUTE_NEHOGDETECTOR_H
#include "arm_compute/core/IHOG.h"
#include "arm_compute/core/NEON/kernels/NEHOGDetectorKernel.h"
#include "arm_compute/runtime/NEON/INESimpleFunctionNoBorder.h"
namespace arm_compute
{
/** Basic function to execute HOG detector based on linear SVM. This function calls the following NEON kernel:
*
* -# @ref NEHOGDetectorKernel
*
*/
class NEHOGDetector : public INESimpleFunctionNoBorder
{
public:
/** Initialise the kernel's input, output, HOG data object, detection window stride, threshold and index class
*
* @attention The function does not reset the number of values in @ref IDetectionWindowArray so it is caller's responsibility to clear it.
*
* @param[in] input Input tensor. It is the output of @ref NEHOGDescriptor. Data type supported: F32
* @param[in] hog HOG data-object that describes the HOG descriptor
* @param[out] detection_windows Array of @ref DetectionWindow used to store the detected objects
* @param[in] detection_window_stride Distance in pixels between 2 consecutive detection windows in x and y directions.
* It must be multiple of the block stride stored in hog
* @param[in] threshold (Optional) Threshold for the distance between features and SVM classifying plane
* @param[in] idx_class (Optional) Index of the class used for evaluating which class the detection window belongs to
*/
void configure(const ITensor *input, const IHOG *hog, IDetectionWindowArray *detection_windows, const Size2D &detection_window_stride, float threshold = 0.0f, size_t idx_class = 0);
};
} // namespace arm_compute
#endif /* ARM_COMPUTE_NEHOGDETECTOR_H */
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