From 6ff3b19ee6120edf015fad8caab2991faa3070af Mon Sep 17 00:00:00 2001 From: Anthony Barbier Date: Mon, 4 Sep 2017 18:44:23 +0100 Subject: COMPMID-344 Updated doxygen Change-Id: I32f7b84daa560e460b77216add529c8fa8b327ae --- .../core/CL/kernels/CLHarrisCornersKernel.h | 85 ++++++++++++++++++++++ 1 file changed, 85 insertions(+) create mode 100644 arm_compute/core/CL/kernels/CLHarrisCornersKernel.h (limited to 'arm_compute/core/CL/kernels/CLHarrisCornersKernel.h') diff --git a/arm_compute/core/CL/kernels/CLHarrisCornersKernel.h b/arm_compute/core/CL/kernels/CLHarrisCornersKernel.h new file mode 100644 index 0000000000..d8057df8d1 --- /dev/null +++ b/arm_compute/core/CL/kernels/CLHarrisCornersKernel.h @@ -0,0 +1,85 @@ +/* + * Copyright (c) 2016, 2017 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_CLHARRISCORNERSKERNEL_H__ +#define __ARM_COMPUTE_CLHARRISCORNERSKERNEL_H__ + +#include "arm_compute/core/CL/ICLKernel.h" + +#include + +namespace arm_compute +{ +class ICLTensor; +using ICLImage = ICLTensor; + +/** Interface for the harris score kernel. + * + * @note The implementation supports 3, 5, and 7 for the block_size. + */ +class CLHarrisScoreKernel : public ICLKernel +{ +public: + /** Default constructor */ + CLHarrisScoreKernel(); + /** Prevent instances of this class from being copied (As this class contains pointers) */ + CLHarrisScoreKernel(const CLHarrisScoreKernel &) = delete; + /** Prevent instances of this class from being copied (As this class contains pointers) */ + CLHarrisScoreKernel &operator=(const CLHarrisScoreKernel &) = delete; + /** Allow instances of this class to be moved */ + CLHarrisScoreKernel(CLHarrisScoreKernel &&) = default; + /** Allow instances of this class to be moved */ + CLHarrisScoreKernel &operator=(CLHarrisScoreKernel &&) = default; + /** Default destructor */ + ~CLHarrisScoreKernel() = default; + + /** Setup the kernel parameters + * + * @param[in] input1 Source image (gradient X). Data types supported S16, S32. (Must be the same as input2) + * @param[in] input2 Source image (gradient Y). Data types supported S16, S32. (Must be the same as input1) + * @param[out] output Destination image (harris score). Data types supported F32 + * @param[in] block_size The block window size used to compute the Harris Corner score. Supports: 3, 5 and 7 + * @param[in] norm_factor Normalization factor to use accordingly with the gradient size (Must be different from 0) + * @param[in] strength_thresh Minimum threshold with which to eliminate Harris Corner scores (computed using the normalized Sobel kernel). + * @param[in] sensitivity Sensitivity threshold k from the Harris-Stephens equation. + * @param[in] border_undefined True if the border mode is undefined. False if it's replicate or constant. + */ + void configure(const ICLImage *input1, const ICLImage *input2, ICLImage *output, + int32_t block_size, float norm_factor, float strength_thresh, float sensitivity, + bool border_undefined); + + // Inherited methods overridden: + void run(const Window &window, cl::CommandQueue &queue) override; + BorderSize border_size() const override; + +protected: + const ICLImage *_input1; /**< Source image - Gx component */ + const ICLImage *_input2; /**< Source image - Gy component */ + ICLImage *_output; /**< Source image - Harris score */ + float _sensitivity; /**< Sensitivity value */ + float _strength_thresh; /**< Threshold value */ + float _norm_factor; /**< Normalization factor */ + BorderSize _border_size; /**< Border size */ +}; +} +#endif /* __ARM_COMPUTE_CLHARRISCORNERSKERNEL_H__ */ -- cgit v1.2.1