| /* |
| * Copyright (c) 2016-2019 ARM Limited. |
| * |
| * SPDX-License-Identifier: MIT |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a copy |
| * of this software and associated documentation files (the "Software"), to |
| * deal in the Software without restriction, including without limitation the |
| * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or |
| * sell copies of the Software, and to permit persons to whom the Software is |
| * furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included in all |
| * copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| * SOFTWARE. |
| */ |
| #ifndef ARM_COMPUTE_NEMEANSTDDEV_H |
| #define ARM_COMPUTE_NEMEANSTDDEV_H |
| |
| #include "arm_compute/core/NEON/kernels/NEFillBorderKernel.h" |
| #include "arm_compute/core/NEON/kernels/NEMeanStdDevKernel.h" |
| #include "arm_compute/core/Types.h" |
| #include "arm_compute/runtime/IFunction.h" |
| |
| #include <cstdint> |
| |
| namespace arm_compute |
| { |
| /** Basic function to execute mean and std deviation. This function calls the following NEON kernels: |
| * |
| * @ref NEMeanStdDevKernel |
| * |
| */ |
| class NEMeanStdDev : public IFunction |
| { |
| public: |
| /** Default Constructor. */ |
| NEMeanStdDev(); |
| /** Initialise the kernel's inputs and outputs. |
| * |
| * @param[in, out] input Input image. Data types supported: U8. (Written to only for border filling) |
| * @param[out] mean Output average pixel value. |
| * @param[out] stddev (Optional) Output standard deviation of pixel values. |
| */ |
| void configure(IImage *input, float *mean, float *stddev = nullptr); |
| |
| // Inherited methods overridden: |
| void run() override; |
| |
| private: |
| NEMeanStdDevKernel _mean_stddev_kernel; /**< Kernel that standard deviation calculation. */ |
| NEFillBorderKernel _fill_border_kernel; /**< Kernel that fills tensor's borders with zeroes. */ |
| uint64_t _global_sum; /**< Variable that holds the global sum among calls in order to ease reduction */ |
| uint64_t _global_sum_squared; /**< Variable that holds the global sum of squared values among calls in order to ease reduction */ |
| }; |
| } |
| #endif /*ARM_COMPUTE_NEMEANSTDDEV_H */ |