| /* |
| * Copyright (c) 2016, 2017 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. |
| */ |
| #include "arm_compute/runtime/NEON/functions/NEHOGGradient.h" |
| |
| #include "arm_compute/core/Helpers.h" |
| #include "arm_compute/core/NEON/kernels/NEMagnitudePhaseKernel.h" |
| #include "arm_compute/core/Validate.h" |
| #include "arm_compute/runtime/NEON/NEScheduler.h" |
| |
| using namespace arm_compute; |
| |
| NEHOGGradient::NEHOGGradient() |
| : _derivative(), _mag_phase(nullptr), _gx(), _gy() |
| { |
| } |
| |
| void NEHOGGradient::configure(ITensor *input, ITensor *output_magnitude, ITensor *output_phase, PhaseType phase_type, BorderMode border_mode, uint8_t constant_border_value) |
| { |
| ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(input, 1, DataType::U8); |
| ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(output_magnitude, 1, DataType::S16); |
| ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(output_phase, 1, DataType::U8); |
| |
| const TensorShape &shape_img = input->info()->tensor_shape(); |
| |
| // Allocate image memory |
| TensorInfo info(shape_img, Format::S16); |
| _gx.allocator()->init(info); |
| _gy.allocator()->init(info); |
| |
| // Initialise derivate kernel |
| _derivative.configure(input, &_gx, &_gy, border_mode, constant_border_value); |
| |
| // Initialise magnitude/phase kernel |
| if(PhaseType::UNSIGNED == phase_type) |
| { |
| auto k = arm_compute::cpp14::make_unique<NEMagnitudePhaseKernel<MagnitudeType::L2NORM, PhaseType::UNSIGNED>>(); |
| k->configure(&_gx, &_gy, output_magnitude, output_phase); |
| _mag_phase = std::move(k); |
| } |
| else |
| { |
| auto k = arm_compute::cpp14::make_unique<NEMagnitudePhaseKernel<MagnitudeType::L2NORM, PhaseType::SIGNED>>(); |
| k->configure(&_gx, &_gy, output_magnitude, output_phase); |
| _mag_phase = std::move(k); |
| } |
| |
| // Allocate intermediate tensors |
| _gx.allocator()->allocate(); |
| _gy.allocator()->allocate(); |
| } |
| |
| void NEHOGGradient::run() |
| { |
| // Run derivative |
| _derivative.run(); |
| |
| // Run magnitude/phase kernel |
| NEScheduler::get().schedule(_mag_phase.get(), Window::DimY); |
| } |