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/NEON/functions/NEOpticalFlow.h | 95 ++++++++++++++++++++++ 1 file changed, 95 insertions(+) create mode 100644 arm_compute/runtime/NEON/functions/NEOpticalFlow.h (limited to 'arm_compute/runtime/NEON/functions/NEOpticalFlow.h') diff --git a/arm_compute/runtime/NEON/functions/NEOpticalFlow.h b/arm_compute/runtime/NEON/functions/NEOpticalFlow.h new file mode 100644 index 0000000000..0534551d19 --- /dev/null +++ b/arm_compute/runtime/NEON/functions/NEOpticalFlow.h @@ -0,0 +1,95 @@ +/* + * 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_NEOPTICALFLOW_H__ +#define __ARM_COMPUTE_NEOPTICALFLOW_H__ + +#include "arm_compute/core/IArray.h" +#include "arm_compute/core/NEON/kernels/NELKTrackerKernel.h" +#include "arm_compute/core/Types.h" +#include "arm_compute/runtime/Array.h" +#include "arm_compute/runtime/IFunction.h" +#include "arm_compute/runtime/NEON/functions/NEScharr3x3.h" +#include "arm_compute/runtime/Tensor.h" + +#include +#include +#include + +namespace arm_compute +{ +class Pyramid; + +using LKInternalKeypointArray = Array; +/** Basic function to execute optical flow. This function calls the following NEON kernels and functions: + * + * -# @ref NEScharr3x3 + * -# @ref NELKTrackerKernel + * + */ +class NEOpticalFlow : public IFunction +{ +public: + /** Constructor */ + NEOpticalFlow(); + /** Prevent instances of this class from being copied (As this class contains pointers) */ + NEOpticalFlow(const NEOpticalFlow &) = delete; + /** Prevent instances of this class from being copied (As this class contains pointers) */ + NEOpticalFlow &operator=(const NEOpticalFlow &) = delete; + /** Initialise the function input and output + * + * @param[in] old_pyramid Pointer to the pyramid for the old tensor. Data type supported U8 + * @param[in] new_pyramid Pointer to the pyramid for the new tensor. Data type supported U8 + * @param[in] old_points Pointer to the IKeyPointArray storing old key points + * @param[in] new_points_estimates Pointer to the IKeyPointArray storing new estimates key points + * @param[out] new_points Pointer to the IKeyPointArray storing new key points + * @param[in] termination The criteria to terminate the search of each keypoint. + * @param[in] epsilon The error for terminating the algorithm + * @param[in] num_iterations The maximum number of iterations before terminate the alogrithm + * @param[in] window_dimension The size of the window on which to perform the algorithm + * @param[in] use_initial_estimate The flag to indicate whether the initial estimated position should be used + * @param[in] border_mode The border mode applied at scharr kernel stage + * @param[in] constant_border_value (Optional) Constant value to use for borders if border_mode is set to CONSTANT + * + */ + void configure(const Pyramid *old_pyramid, const Pyramid *new_pyramid, const IKeyPointArray *old_points, const IKeyPointArray *new_points_estimates, + IKeyPointArray *new_points, Termination termination, float epsilon, unsigned int num_iterations, size_t window_dimension, + bool use_initial_estimate, BorderMode border_mode, uint8_t constant_border_value = 0); + + // Inherited methods overridden: + void run() override; + +private: + std::unique_ptr _func_scharr; + std::unique_ptr _kernel_tracker; + std::unique_ptr _scharr_gx; + std::unique_ptr _scharr_gy; + IKeyPointArray *_new_points; + const IKeyPointArray *_new_points_estimates; + const IKeyPointArray *_old_points; + LKInternalKeypointArray _new_points_internal; + LKInternalKeypointArray _old_points_internal; + unsigned int _num_levels; +}; +} +#endif /*__ARM_COMPUTE_NEOPTICALFLOW_H__ */ -- cgit v1.2.1