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1 /*
2  * Copyright (c) 2017-2019 Arm Limited.
3  *
4  * SPDX-License-Identifier: MIT
5  *
6  * Permission is hereby granted, free of charge, to any person obtaining a copy
7  * of this software and associated documentation files (the "Software"), to
8  * deal in the Software without restriction, including without limitation the
9  * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
10  * sell copies of the Software, and to permit persons to whom the Software is
11  * furnished to do so, subject to the following conditions:
12  *
13  * The above copyright notice and this permission notice shall be included in all
14  * copies or substantial portions of the Software.
15  *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
22  * SOFTWARE.
23  */
24 #ifndef ARM_COMPUTE_TEST_TYPES_H
25 #define ARM_COMPUTE_TEST_TYPES_H
26 
27 #include "arm_compute/core/Types.h"
28 
29 #include <vector>
30 
31 namespace arm_compute
32 {
33 /** Gradient dimension type. */
34 enum class GradientDimension
35 {
36     GRAD_X,  /**< x gradient dimension */
37     GRAD_Y,  /**< y gradient dimension */
38     GRAD_XY, /**< x and y gradient dimension */
39 };
40 
41 /** Min and max values and locations */
42 template <typename MinMaxType>
43 struct MinMaxLocationValues
44 {
45     MinMaxType                 min{};     /**< Min value */
46     MinMaxType                 max{};     /**< Max value */
47     std::vector<Coordinates2D> min_loc{}; /**< Min value location */
48     std::vector<Coordinates2D> max_loc{}; /**< Max value location */
49 };
50 
51 /** Parameters of Optical Flow algorithm. */
52 struct OpticalFlowParameters
53 {
OpticalFlowParametersOpticalFlowParameters54     OpticalFlowParameters(Termination termination,
55                           float       epsilon,
56                           size_t      num_iterations,
57                           size_t      window_dimension,
58                           bool        use_initial_estimate)
59         : termination{ std::move(termination) },
60           epsilon{ std::move(epsilon) },
61           num_iterations{ std::move(num_iterations) },
62           window_dimension{ std::move(window_dimension) },
63           use_initial_estimate{ std::move(use_initial_estimate) }
64     {
65     }
66 
67     Termination termination;
68     float       epsilon;
69     size_t      num_iterations;
70     size_t      window_dimension;
71     bool        use_initial_estimate;
72 };
73 
74 /** Internal keypoint class for Lucas-Kanade Optical Flow */
75 struct InternalKeyPoint
76 {
77     float x{ 0.f };                 /**< x coordinate of the keypoint */
78     float y{ 0.f };                 /**< y coordinate of the keypoint */
79     bool  tracking_status{ false }; /**< the tracking status of the keypoint */
80 };
81 
82 } // namespace arm_compute
83 #endif /* ARM_COMPUTE_TEST_TYPES_H */
84