1 /* 2 * Copyright (c) 2019-2022 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_NEBOUNDINGBOXTRANSFORMKERNEL_H 25 #define ARM_COMPUTE_NEBOUNDINGBOXTRANSFORMKERNEL_H 26 27 #include "src/core/NEON/INEKernel.h" 28 29 namespace arm_compute 30 { 31 class ITensor; 32 33 /** Interface for the bounding box kernel */ 34 class NEBoundingBoxTransformKernel : public INEKernel 35 { 36 public: name()37 const char *name() const override 38 { 39 return "NEBoundingBoxTransformKernel"; 40 } 41 42 /** Default constructor */ 43 NEBoundingBoxTransformKernel(); 44 /** Prevent instances of this class from being copied (As this class contains pointers) */ 45 NEBoundingBoxTransformKernel(const NEBoundingBoxTransformKernel &) = delete; 46 /** Prevent instances of this class from being copied (As this class contains pointers) */ 47 NEBoundingBoxTransformKernel &operator=(const NEBoundingBoxTransformKernel &) = delete; 48 /** Allow instances of this class to be moved */ 49 NEBoundingBoxTransformKernel(NEBoundingBoxTransformKernel &&) = default; 50 /** Allow instances of this class to be moved */ 51 NEBoundingBoxTransformKernel &operator=(NEBoundingBoxTransformKernel &&) = default; 52 /** Default destructor */ 53 ~NEBoundingBoxTransformKernel() = default; 54 55 /** Set the input and output tensors. 56 * 57 * @param[in] boxes Source tensor. Bounding box proposals in pixel coordinates. Size(M, 4), format [x1, y1, x2, y2]. Data types supported: QASYMM16/F16/F32. 58 * @param[out] pred_boxes Destination tensor. Pixel coordinates of the transformed bounding boxes. Size (M, 4*K), format [x1, y1, x2, y2]. Data types supported: Same as @p input 59 * @param[in] deltas Bounding box translations and scales. Size (M, 4*K), format [dx, dy, dw, dh], K is the number of classes. 60 * Data types supported: QASYMM8 if @p input is QASYMM16, otherwise same as @p input. 61 * @param[in] info Contains BoundingBox operation information described in @ref BoundingBoxTransformInfo. 62 * 63 * @note Only single image prediction is supported. Height and Width (and scale) of the image will be contained in the BoundingBoxTransformInfo struct. 64 * 65 */ 66 void configure(const ITensor *boxes, ITensor *pred_boxes, const ITensor *deltas, const BoundingBoxTransformInfo &info); 67 68 /** Static function to check if given info will lead to a valid configuration of @ref CLBoundingBoxTransform 69 * 70 * @param[in] boxes Source tensor info. Bounding box proposals in pixel coordinates. Size(M, 4), format [x1, y1, x2, y2]. Data types supported: QASYMM16/F16/F32. 71 * @param[in] pred_boxes Destination tensor info. Pixel coordinates of the transformed bounding boxes. Size (M, 4*K), format [x1, y1, x2, y2]. Data types supported: Same as @p input 72 * @param[in] deltas Bounding box translations and scales. Size (M, 4*K), format [dx, dy, dw, dh], K is the number of classes. 73 * Data types supported: QASYMM8 if @p input is QASYMM16, otherwise same as @p input. 74 * @param[in] info Contains BoundingBox operation information described in @ref BoundingBoxTransformInfo. 75 * 76 * @note Only single image prediction is supported. Height and Width (and scale) of the image will be contained in the BoundingBoxTransformInfo struct. 77 * 78 * @return a Status 79 */ 80 static Status validate(const ITensorInfo *boxes, const ITensorInfo *pred_boxes, const ITensorInfo *deltas, const BoundingBoxTransformInfo &info); 81 82 // Inherited methods overridden: 83 void run(const Window &window, const ThreadInfo &info) override; 84 85 private: 86 const ITensor *_boxes; 87 ITensor *_pred_boxes; 88 const ITensor *_deltas; 89 BoundingBoxTransformInfo _bbinfo; 90 }; 91 } // namespace arm_compute 92 #endif /*ARM_COMPUTE_NEBOUNDINGBOXTRANSFORMKERNEL_H */ 93