1 /* 2 * Copyright (c) 2016-2020 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_CLNONMAXIMASUPPRESSION3x3KERNEL_H 25 #define ARM_COMPUTE_CLNONMAXIMASUPPRESSION3x3KERNEL_H 26 27 #include "src/core/CL/ICLSimple2DKernel.h" 28 29 namespace arm_compute 30 { 31 class ICLTensor; 32 33 /** Interface to perform Non-Maxima suppression over a 3x3 window using OpenCL 34 * 35 * @note Used by @ref CLFastCorners and @ref CLHarrisCorners 36 */ 37 class CLNonMaximaSuppression3x3Kernel : public ICLSimple2DKernel 38 { 39 public: 40 /** Initialise the kernel's sources, destinations and border mode. 41 * 42 * @param[in] input Source tensor. Data types supported: U8, F32. (Must be the same as the output tensor) 43 * @param[out] output Destination tensor. Data types supported: U8, F32. (Must be the same as the input tensor) 44 * @param[in] border_undefined True if the border mode is undefined. False if it's replicate or constant. 45 */ 46 void configure(const ICLTensor *input, ICLTensor *output, bool border_undefined); 47 /** Initialise the kernel's sources, destinations and border mode. 48 * 49 * @param[in] compile_context The compile context to be used. 50 * @param[in] input Source tensor. Data types supported: U8, F32. (Must be the same as the output tensor) 51 * @param[out] output Destination tensor. Data types supported: U8, F32. (Must be the same as the input tensor) 52 * @param[in] border_undefined True if the border mode is undefined. False if it's replicate or constant. 53 */ 54 void configure(const CLCompileContext &compile_context, const ICLTensor *input, ICLTensor *output, bool border_undefined); 55 56 // Inherited methods overridden: 57 BorderSize border_size() const override; 58 }; 59 } // namespace arm_compute 60 #endif /* ARM_COMPUTE_CLNONMAXIMASUPPRESSION3x3KERNEL_H */ 61