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 --- arm_compute/runtime/CL/functions/CLFastCorners.h | 88 ++++++++++++++++++++++++ 1 file changed, 88 insertions(+) create mode 100644 arm_compute/runtime/CL/functions/CLFastCorners.h (limited to 'arm_compute/runtime/CL/functions/CLFastCorners.h') diff --git a/arm_compute/runtime/CL/functions/CLFastCorners.h b/arm_compute/runtime/CL/functions/CLFastCorners.h new file mode 100644 index 0000000000..79d82af462 --- /dev/null +++ b/arm_compute/runtime/CL/functions/CLFastCorners.h @@ -0,0 +1,88 @@ +/* + * 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_CLFASTCORNERS_H__ +#define __ARM_COMPUTE_CLFASTCORNERS_H__ + +#include "arm_compute/core/CL/OpenCL.h" +#include "arm_compute/core/CL/kernels/CLFastCornersKernel.h" +#include "arm_compute/core/Types.h" +#include "arm_compute/core/Window.h" +#include "arm_compute/runtime/CL/CLArray.h" +#include "arm_compute/runtime/CL/CLTensor.h" +#include "arm_compute/runtime/CL/functions/CLNonMaximaSuppression3x3.h" +#include "arm_compute/runtime/IFunction.h" + +#include + +namespace arm_compute +{ +class ICLTensor; +using ICLImage = ICLTensor; + +/** Basic function to execute fast corners. This function calls the following CL kernels: + * + * -# @ref CLFastCornersKernel + * -# @ref CLNonMaximaSuppression3x3Kernel (executed if nonmax_suppression == true) + * -# @ref CLCopyToArrayKernel + * + */ +class CLFastCorners : public IFunction +{ +public: + /** Constructor */ + CLFastCorners(); + /** Prevent instances of this class from being copied (As this class contains pointers) */ + CLFastCorners(const CLFastCorners &) = delete; + /** Prevent instances of this class from being copied (As this class contains pointers) */ + const CLFastCorners &operator=(const CLFastCorners &) = delete; + /** Initialize the function's source, destination, conv and border_mode. + * + * @param[in] input Source image. Data types supported: U8. + * @param[in] threshold Threshold on difference between intensity of the central pixel and pixels on Bresenham's circle of radius 3. + * @param[in] nonmax_suppression If true, non-maximum suppression is applied to detected corners before being placed in the array. + * @param[out] corners Array of keypoints to store the results. + * @param[in,out] num_corners Record number of corners in the array + * @param[in] border_mode Strategy to use for borders. + * @param[in] constant_border_value (Optional) Constant value to use for borders if border_mode is set to CONSTANT. + */ + void configure(const ICLImage *input, float threshold, bool nonmax_suppression, CLKeyPointArray *corners, unsigned int *num_corners, + BorderMode border_mode, uint8_t constant_border_value = 0); + // Inherited methods overridden: + void run() override; + +private: + CLFastCornersKernel _fast_corners_kernel; + CLNonMaximaSuppression3x3 _suppr_func; + CLCopyToArrayKernel _copy_array_kernel; + CLImage _output; + CLImage _suppr; + Window _win; + bool _non_max; + unsigned int *_num_corners; + cl::Buffer _num_buffer; + CLKeyPointArray *_corners; + uint8_t _constant_border_value; +}; +} +#endif /*__ARM_COMPUTE_CLFASTCORNERS_H__ */ -- cgit v1.2.1