COMPMID-344 Updated doxygen
Change-Id: I32f7b84daa560e460b77216add529c8fa8b327ae
diff --git a/arm_compute/runtime/NEON/functions/NEOpticalFlow.h b/arm_compute/runtime/NEON/functions/NEOpticalFlow.h
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+/*
+ * 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 <cstddef>
+#include <cstdint>
+#include <memory>
+
+namespace arm_compute
+{
+class Pyramid;
+
+using LKInternalKeypointArray = Array<NELKInternalKeypoint>;
+/** 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<NEScharr3x3[]> _func_scharr;
+ std::unique_ptr<NELKTrackerKernel[]> _kernel_tracker;
+ std::unique_ptr<Tensor[]> _scharr_gx;
+ std::unique_ptr<Tensor[]> _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__ */