Michalis Spyrou | 721c4cb | 2018-09-04 15:27:25 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2018 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_NEPRIORBOXLAYERKERNEL_H__ |
| 25 | #define __ARM_COMPUTE_NEPRIORBOXLAYERKERNEL_H__ |
| 26 | |
| 27 | #include "arm_compute/core/NEON/INEKernel.h" |
| 28 | |
| 29 | namespace arm_compute |
| 30 | { |
| 31 | class ITensor; |
| 32 | |
| 33 | /** Interface for the kernel to calculate prior boxes */ |
| 34 | class NEPriorBoxLayerKernel : public INEKernel |
| 35 | { |
| 36 | public: |
| 37 | const char *name() const override |
| 38 | { |
| 39 | return "NEPriorBoxLayerKernel"; |
| 40 | } |
| 41 | /** Default constructor */ |
| 42 | NEPriorBoxLayerKernel(); |
| 43 | /** Prevent instances of this class from being copied (As this class contains pointers) */ |
| 44 | NEPriorBoxLayerKernel(const NEPriorBoxLayerKernel &) = delete; |
| 45 | /** Prevent instances of this class from being copied (As this class contains pointers) */ |
| 46 | NEPriorBoxLayerKernel &operator=(const NEPriorBoxLayerKernel &) = delete; |
| 47 | /** Allow instances of this class to be moved */ |
| 48 | NEPriorBoxLayerKernel(NEPriorBoxLayerKernel &&) = default; |
| 49 | /** Allow instances of this class to be moved */ |
| 50 | NEPriorBoxLayerKernel &operator=(NEPriorBoxLayerKernel &&) = default; |
| 51 | /** Set the input and output tensors. |
| 52 | * |
| 53 | * @param[in] input1 First source tensor. Data types supported: F32. Data layouts supported: NCHW/NHWC. |
| 54 | * @param[in] input2 Second source tensor. Data types and layouts supported: same as @p input1 |
| 55 | * @param[out] output Destination tensor. Output dimensions are [W * H * num_priors * 4, 2]. Data type supported: same as @p input |
| 56 | * @param[in] info Prior box layer info. |
| 57 | */ |
| 58 | void configure(const ITensor *input1, const ITensor *input2, ITensor *output, const PriorBoxLayerInfo &info); |
| 59 | /** Static function to check if given info will lead to a valid configuration of @ref NEPriorBoxLayerKernel |
| 60 | * |
| 61 | * @param[in] input1 First source tensor info. Data types supported: F32. Data layouts supported: NCHW/NHWC. |
| 62 | * @param[in] input2 Second source tensor info. Data types and layouts supported: same as @p input1 |
| 63 | * @param[in] output Destination tensor info. Output dimensions are [W * H * num_priors * 4, 2]. Data type supported: same as @p input |
| 64 | * @param[in] info Prior box layer info. |
| 65 | * |
| 66 | * @return a status |
| 67 | */ |
| 68 | static Status validate(const ITensorInfo *input1, const ITensorInfo *input2, const ITensorInfo *output, const PriorBoxLayerInfo &info); |
| 69 | |
| 70 | // Inherited methods overridden: |
| 71 | void run(const Window &window, const ThreadInfo &info) override; |
| 72 | |
| 73 | private: |
| 74 | /** Stores the coordinates of the calculated prior boxes. |
| 75 | * |
| 76 | * @param[out] out Output pointer. |
| 77 | * @param[in] offset Output offset to write to. |
| 78 | * @param[in] center_x Center pixel value on x-axis. |
| 79 | * @param[in] center_y Center pixel value on y-axis. |
| 80 | * @param[in] box_width Prior box width. |
| 81 | * @param[in] box_height Prior box height. |
| 82 | * @param[in] width Input width. |
| 83 | * @param[in] height Input height. |
| 84 | */ |
Michalis Spyrou | 721c4cb | 2018-09-04 15:27:25 +0100 | [diff] [blame] | 85 | void store_coordinates(float *out, const int offset, const float center_x, const float center_y, const float box_width, const float box_height, const int width, const int height); |
| 86 | /** Function to calculate prior boxes. |
| 87 | * |
| 88 | * @param[in] window Input region on which to execute the kernel. |
| 89 | */ |
Michalis Spyrou | 721c4cb | 2018-09-04 15:27:25 +0100 | [diff] [blame] | 90 | void calculate_prior_boxes(const Window &window); |
Michalis Spyrou | 3112e33 | 2018-11-21 15:44:55 +0000 | [diff] [blame] | 91 | |
Michalis Spyrou | 721c4cb | 2018-09-04 15:27:25 +0100 | [diff] [blame] | 92 | const ITensor *_input1; |
| 93 | const ITensor *_input2; |
| 94 | ITensor *_output; |
| 95 | PriorBoxLayerInfo _info; |
| 96 | }; |
| 97 | } // namespace arm_compute |
| 98 | #endif /* __ARM_COMPUTE_NEPRIORBOXLAYERKERNEL_H__ */ |