1 /* 2 * Copyright (c) 2017-2021 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_NEROIPOOLINGLAYERKERNEL_H 25 #define ARM_COMPUTE_NEROIPOOLINGLAYERKERNEL_H 26 27 #include "src/core/NEON/INEKernel.h" 28 namespace arm_compute 29 { 30 class ITensor; 31 32 /** Interface for the ROI pooling layer kernel */ 33 class NEROIPoolingLayerKernel : public INEKernel 34 { 35 public: name()36 const char *name() const override 37 { 38 return "NEROIPoolingLayerKernel"; 39 } 40 /** Default constructor */ 41 NEROIPoolingLayerKernel(); 42 /** Prevent instances of this class from being copied (As this class contains pointers) */ 43 NEROIPoolingLayerKernel(const NEROIPoolingLayerKernel &) = delete; 44 /** Prevent instances of this class from being copied (As this class contains pointers) */ 45 NEROIPoolingLayerKernel &operator=(const NEROIPoolingLayerKernel &) = delete; 46 /** Allow instances of this class to be moved */ 47 NEROIPoolingLayerKernel(NEROIPoolingLayerKernel &&) = default; 48 /** Allow instances of this class to be moved */ 49 NEROIPoolingLayerKernel &operator=(NEROIPoolingLayerKernel &&) = default; 50 /** Default destructor */ 51 ~NEROIPoolingLayerKernel() = default; 52 53 /** Set the input and output tensors. 54 * 55 * @param[in] input Source tensor. Data types supported: QASYMM8/F32 56 * @param[in] rois ROIs tensor, it is a 2D tensor of size [5, N] (where N is the number of ROIs) containing top left and bottom right corner 57 * as coordinate of an image and batch_id of ROI [ batch_id, x1, y1, x2, y2 ]. Data types supported: U16 58 * @param[out] output Destination tensor. Data types supported: Same as @p input. 59 * @param[in] pool_info Contains pooling operation information described in @ref ROIPoolingLayerInfo. 60 * 61 * @note The x and y dimensions of @p output tensor must be the same as that specified by @p pool_info 's pooled 62 * width and pooled height. 63 * @note The z dimensions of @p output tensor and @p input tensor must be the same. 64 * @note The fourth dimension of @p output tensor must be the same as the number of elements in @p rois tensor. 65 */ 66 void configure(const ITensor *input, const ITensor *rois, const ITensor *output, const ROIPoolingLayerInfo &pool_info); 67 68 // Inherited methods overridden: 69 void run(const Window &window, const ThreadInfo &info) override; 70 71 /** Static function to check if given info will lead to a valid configuration of @ref NEROIPoolingLayerKernel 72 * 73 * @param[in] input Source tensor info. Data types supported: QASYMM8/F32. 74 * @param[in] rois ROIs tensor info. Data types supported: U16 75 * @param[in] output Destination tensor info. Data types supported: Same as @p input. 76 * @param[in] pool_info Contains pooling operation information described in @ref ROIPoolingLayerInfo. 77 * 78 * @note The x and y dimensions of @p output tensor must be the same as @p pool_info 's pooled 79 * width and pooled height. 80 * @note The datatype of @p output should be the same as the datatype of @p input 81 * @note The fourth dimension of @p output tensor must be the same as the number of elements in @p rois array. 82 * 83 * @return a Status 84 */ 85 static Status validate(const ITensorInfo *input, const ITensorInfo *rois, const ITensorInfo *output, const ROIPoolingLayerInfo &pool_info); 86 87 private: 88 const ITensor *_input; 89 const ITensor *_rois; 90 const ITensor *_output; 91 ROIPoolingLayerInfo _pool_info; 92 }; 93 } // namespace arm_compute 94 #endif /*ARM_COMPUTE_NEROIPOOLINGLAYERKERNEL_H */ 95