1 /* 2 * Copyright (c) 2018-2020 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_CLBOUNDINGBOXTRANSFORMKERNEL_H 25 #define ARM_COMPUTE_CLBOUNDINGBOXTRANSFORMKERNEL_H 26 27 #include "src/core/CL/ICLKernel.h" 28 29 namespace arm_compute 30 { 31 class ICLTensor; 32 33 /** Interface for the bounding box kernel */ 34 class CLBoundingBoxTransformKernel : public ICLKernel 35 { 36 public: 37 /** Default constructor */ 38 CLBoundingBoxTransformKernel(); 39 /** Prevent instances of this class from being copied (As this class contains pointers) */ 40 CLBoundingBoxTransformKernel(const CLBoundingBoxTransformKernel &) = delete; 41 /** Prevent instances of this class from being copied (As this class contains pointers) */ 42 CLBoundingBoxTransformKernel &operator=(const CLBoundingBoxTransformKernel &) = delete; 43 /** Allow instances of this class to be moved */ 44 CLBoundingBoxTransformKernel(CLBoundingBoxTransformKernel &&) = default; 45 /** Allow instances of this class to be moved */ 46 CLBoundingBoxTransformKernel &operator=(CLBoundingBoxTransformKernel &&) = default; 47 /** Default destructor */ 48 ~CLBoundingBoxTransformKernel() = default; 49 50 /** Set the input and output tensors. 51 * 52 * @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. 53 * @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 54 * @param[in] deltas Bounding box translations and scales. Size (M, 4*K), format [dx, dy, dw, dh], K is the number of classes. 55 * Data types supported: QASYMM8 if @p input is QASYMM16, otherwise same as @p input 56 * @param[in] info Contains BoundingBox operation information described in @ref BoundingBoxTransformInfo. 57 * 58 * @note Only single image prediction is supported. Height and Width (and scale) of the image will be contained in the BoundingBoxTransformInfo struct. 59 * 60 */ 61 void configure(const ICLTensor *boxes, ICLTensor *pred_boxes, const ICLTensor *deltas, const BoundingBoxTransformInfo &info); 62 /** Set the input and output tensors. 63 * 64 * @param[in] compile_context The compile context to be used. 65 * @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. 66 * @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 67 * @param[in] deltas Bounding box translations and scales. Size (M, 4*K), format [dx, dy, dw, dh], K is the number of classes. 68 * Data types supported: QASYMM8 if @p input is QASYMM16, otherwise same as @p input 69 * @param[in] info Contains BoundingBox operation information described in @ref BoundingBoxTransformInfo. 70 * 71 * @note Only single image prediction is supported. Height and Width (and scale) of the image will be contained in the BoundingBoxTransformInfo struct. 72 * 73 */ 74 void configure(const CLCompileContext &compile_context, const ICLTensor *boxes, ICLTensor *pred_boxes, const ICLTensor *deltas, const BoundingBoxTransformInfo &info); 75 76 /** Static function to check if given info will lead to a valid configuration of @ref CLBoundingBoxTransform 77 * 78 * @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. 79 * @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 80 * @param[in] deltas Bounding box translations and scales. Size (M, 4*K), format [dx, dy, dw, dh], K is the number of classes. 81 * Data types supported: QASYMM8 if @p input is QASYMM16, otherwise same as @p input 82 * @param[in] info Contains BoundingBox operation information described in @ref BoundingBoxTransformInfo. 83 * 84 * @note Only single image prediction is supported. Height and Width (and scale) of the image will be contained in the BoundingBoxTransformInfo struct. 85 * 86 * @return a Status 87 */ 88 static Status validate(const ITensorInfo *boxes, const ITensorInfo *pred_boxes, const ITensorInfo *deltas, const BoundingBoxTransformInfo &info); 89 90 // Inherited methods overridden: 91 void run(const Window &window, cl::CommandQueue &queue) override; 92 93 private: 94 const ICLTensor *_boxes; 95 ICLTensor *_pred_boxes; 96 const ICLTensor *_deltas; 97 }; 98 } // namespace arm_compute 99 #endif /*ARM_COMPUTE_CLBOUNDINGBOXTRANSFORMKERNEL_H */ 100