1 /* 2 * Copyright (c) 2017-2020 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_CPPCORNERCANDIDATESKERNEL_H 25 #define ARM_COMPUTE_CPPCORNERCANDIDATESKERNEL_H 26 27 #include "arm_compute/core/CPP/ICPPKernel.h" 28 #include "arm_compute/core/IArray.h" 29 30 #include "support/Mutex.h" 31 32 #include <cstdint> 33 34 namespace arm_compute 35 { 36 class ITensor; 37 /** Interface for CPP Images. */ 38 using IImage = ITensor; 39 40 /** CPP kernel to perform corner candidates 41 */ 42 class CPPCornerCandidatesKernel : public ICPPKernel 43 { 44 public: name()45 const char *name() const override 46 { 47 return "CPPCornerCandidatesKernel"; 48 } 49 /** Default constructor */ 50 CPPCornerCandidatesKernel(); 51 /** Prevent instances of this class from being copied (As this class contains pointers) */ 52 CPPCornerCandidatesKernel(const CPPCornerCandidatesKernel &) = delete; 53 /** Prevent instances of this class from being copied (As this class contains pointers) */ 54 CPPCornerCandidatesKernel &operator=(const CPPCornerCandidatesKernel &) = delete; 55 /** Prevent instances of this class from being moved (As this class contains non movable objects) */ 56 CPPCornerCandidatesKernel(CPPCornerCandidatesKernel &&) = delete; 57 /** Prevent instances of this class from being moved (As this class contains non movable objects) */ 58 CPPCornerCandidatesKernel &operator=(CPPCornerCandidatesKernel &&) = delete; 59 /** Default destructor */ 60 ~CPPCornerCandidatesKernel() = default; 61 62 /** Setup the kernel parameters 63 * 64 * @param[in] input Source image (harris score). Format supported F32 65 * @param[out] output Destination array of InternalKeypoint 66 * @param[out] num_corner_candidates Number of corner candidates 67 */ 68 void configure(const IImage *input, InternalKeypoint *output, int32_t *num_corner_candidates); 69 70 // Inherited methods overridden: 71 void run(const Window &window, const ThreadInfo &info) override; 72 73 private: 74 int32_t *_num_corner_candidates; /**< Number of corner candidates */ 75 arm_compute::Mutex _corner_candidates_mutex; /**< Mutex to preventing race conditions */ 76 const IImage *_input; /**< Source image - Harris score */ 77 InternalKeypoint *_output; /**< Array of NEInternalKeypoint */ 78 }; 79 } // namespace arm_compute 80 #endif /* ARM_COMPUTE_CPPCORNERCANDIDATESKERNEL_H */ 81