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author | Anthony Barbier <anthony.barbier@arm.com> | 2017-09-04 18:44:23 +0100 |
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committer | Anthony Barbier <anthony.barbier@arm.com> | 2018-09-17 13:03:09 +0100 |
commit | 6ff3b19ee6120edf015fad8caab2991faa3070af (patch) | |
tree | a7a6dcd16dfd56d79fa1b56a313caeebcc939b68 /src/core/CL/kernels/CLHOGDescriptorKernel.cpp | |
download | ComputeLibrary-6ff3b19ee6120edf015fad8caab2991faa3070af.tar.gz |
COMPMID-344 Updated doxygen
Change-Id: I32f7b84daa560e460b77216add529c8fa8b327ae
Diffstat (limited to 'src/core/CL/kernels/CLHOGDescriptorKernel.cpp')
-rw-r--r-- | src/core/CL/kernels/CLHOGDescriptorKernel.cpp | 200 |
1 files changed, 200 insertions, 0 deletions
diff --git a/src/core/CL/kernels/CLHOGDescriptorKernel.cpp b/src/core/CL/kernels/CLHOGDescriptorKernel.cpp new file mode 100644 index 0000000000..87659c4ba9 --- /dev/null +++ b/src/core/CL/kernels/CLHOGDescriptorKernel.cpp @@ -0,0 +1,200 @@ +/* + * Copyright (c) 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/core/CL/kernels/CLHOGDescriptorKernel.h" + +#include "arm_compute/core/CL/CLHelpers.h" +#include "arm_compute/core/CL/CLKernelLibrary.h" +#include "arm_compute/core/CL/ICLTensor.h" +#include "arm_compute/core/CL/OpenCL.h" +#include "arm_compute/core/Error.h" +#include "arm_compute/core/Helpers.h" +#include "arm_compute/core/TensorInfo.h" +#include "arm_compute/core/Types.h" +#include "arm_compute/core/Validate.h" +#include "arm_compute/core/Window.h" + +#include <set> +#include <sstream> +#include <string> + +using namespace arm_compute; + +CLHOGOrientationBinningKernel::CLHOGOrientationBinningKernel() + : _input_magnitude(nullptr), _input_phase(nullptr), _output(nullptr), _cell_size() +{ +} + +void CLHOGOrientationBinningKernel::configure(const ICLTensor *input_magnitude, const ICLTensor *input_phase, ICLTensor *output, const HOGInfo *hog_info) +{ + ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(input_magnitude, 1, DataType::S16); + ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(input_phase, 1, DataType::U8); + ARM_COMPUTE_ERROR_ON(hog_info == nullptr); + ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(output, hog_info->num_bins(), DataType::F32); + ARM_COMPUTE_ERROR_ON(input_magnitude->info()->dimension(Window::DimX) != input_phase->info()->dimension(Window::DimX)); + ARM_COMPUTE_ERROR_ON(input_magnitude->info()->dimension(Window::DimY) != input_phase->info()->dimension(Window::DimY)); + + _input_magnitude = input_magnitude; + _input_phase = input_phase; + _output = output; + _cell_size = hog_info->cell_size(); + + float phase_scale = (PhaseType::SIGNED == hog_info->phase_type() ? hog_info->num_bins() / 360.0f : hog_info->num_bins() / 180.0f); + phase_scale *= (PhaseType::SIGNED == hog_info->phase_type() ? 360.0f / 255.0f : 1.0f); + + std::stringstream args_str; + args_str << "-DCELL_WIDTH=" << hog_info->cell_size().width << " "; + args_str << "-DCELL_HEIGHT=" << hog_info->cell_size().height << " "; + args_str << "-DNUM_BINS=" << hog_info->num_bins() << " "; + args_str << "-DPHASE_SCALE=" << phase_scale << " "; + + // Construct kernel name + std::set<std::string> build_opts = {}; + build_opts.insert(args_str.str()); + + // Create kernel + _kernel = static_cast<cl::Kernel>(CLKernelLibrary::get().create_kernel("hog_orientation_binning", build_opts)); + + constexpr unsigned int num_elems_processed_per_iteration = 1; + constexpr unsigned int num_elems_read_per_iteration = 1; + const unsigned int num_rows_read_per_iteration = hog_info->cell_size().height; + constexpr unsigned int num_elems_written_per_iteration = 1; + + // Configure kernel window + Window win = calculate_max_window(*output->info(), Steps(num_elems_processed_per_iteration)); + AccessWindowHorizontal output_access(output->info(), 0, num_elems_written_per_iteration); + + update_window_and_padding(win, + AccessWindowRectangle(input_magnitude->info(), 0, 0, num_elems_read_per_iteration, num_rows_read_per_iteration), + AccessWindowRectangle(input_phase->info(), 0, 0, num_elems_read_per_iteration, num_rows_read_per_iteration), + output_access); + + output->info()->set_valid_region(ValidRegion(Coordinates(), output->info()->tensor_shape())); + + ICLKernel::configure(win); +} + +void CLHOGOrientationBinningKernel::run(const Window &window, cl::CommandQueue &queue) +{ + ARM_COMPUTE_ERROR_ON_UNCONFIGURED_KERNEL(this); + ARM_COMPUTE_ERROR_ON_INVALID_SUBWINDOW(ICLKernel::window(), window); + + Window slice = window.first_slice_window_2D(); + do + { + // Compute slice for the magnitude and phase tensors + Window slice_mag_phase = window.first_slice_window_2D(); + slice_mag_phase.set(Window::DimX, Window::Dimension(window.x().start() * _cell_size.width, window.x().start() * _cell_size.width, _cell_size.width)); + slice_mag_phase.set(Window::DimY, Window::Dimension(window.y().start() * _cell_size.height, window.y().start() * _cell_size.height, _cell_size.height)); + + unsigned int idx = 0; + add_2D_tensor_argument(idx, _input_magnitude, slice_mag_phase); + add_2D_tensor_argument(idx, _input_phase, slice_mag_phase); + add_2D_tensor_argument(idx, _output, slice); + + enqueue(queue, *this, slice); + } + while(window.slide_window_slice_2D(slice)); +} + +CLHOGBlockNormalizationKernel::CLHOGBlockNormalizationKernel() + : _input(nullptr), _output(nullptr), _num_cells_per_block_stride() +{ +} + +void CLHOGBlockNormalizationKernel::configure(const ICLTensor *input, ICLTensor *output, const HOGInfo *hog_info) +{ + ARM_COMPUTE_ERROR_ON(hog_info == nullptr); + ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(input, hog_info->num_bins(), DataType::F32); + ARM_COMPUTE_ERROR_ON_DATA_TYPE_NOT_IN(output, DataType::F32); + + // Number of cells per block + const Size2D num_cells_per_block(hog_info->block_size().width / hog_info->cell_size().width, + hog_info->block_size().height / hog_info->cell_size().height); + + ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(output, hog_info->num_bins() * num_cells_per_block.area(), DataType::F32); + + // Number of cells per block stride + const Size2D num_cells_per_block_stride(hog_info->block_stride().width / hog_info->cell_size().width, + hog_info->block_stride().height / hog_info->cell_size().height); + + _input = input; + _output = output; + _num_cells_per_block_stride = num_cells_per_block_stride; + + std::stringstream args_str; + args_str << "-DL2_HYST_THRESHOLD=" << hog_info->l2_hyst_threshold() << " "; + args_str << "-DNUM_CELLS_PER_BLOCK_HEIGHT=" << num_cells_per_block.height << " "; + args_str << "-DNUM_BINS_PER_BLOCK_X=" << num_cells_per_block.width *hog_info->num_bins() << " "; + args_str << "-DNUM_BINS_PER_BLOCK=" << _output->info()->num_channels() << " "; + args_str << "-DL2_NORM=" << static_cast<int>(HOGNormType::L2_NORM) << " "; + args_str << "-DL1_NORM=" << static_cast<int>(HOGNormType::L1_NORM) << " "; + args_str << "-DL2HYS_NORM=" << static_cast<int>(HOGNormType::L2HYS_NORM) << " "; + args_str << "-DHOG_NORM_TYPE=" << static_cast<int>(hog_info->normalization_type()) << " "; + + // Construct kernel name + std::set<std::string> build_opts = {}; + build_opts.insert(args_str.str()); + + _kernel = static_cast<cl::Kernel>(CLKernelLibrary::get().create_kernel("hog_block_normalization", build_opts)); + + constexpr unsigned int num_elems_processed_per_iteration = 1; + constexpr unsigned int num_elems_read_per_iteration = 1; + const unsigned int num_rows_read_per_iteration = num_cells_per_block.height; + constexpr unsigned int num_elems_written_per_iteration = 1; + const unsigned int num_rows_written_per_iteration = num_cells_per_block.height; + + // Configure kernel window + Window win = calculate_max_window(*output->info(), Steps(num_elems_processed_per_iteration)); + AccessWindowRectangle output_access(output->info(), 0, 0, num_elems_written_per_iteration, num_rows_written_per_iteration); + + update_window_and_padding(win, + AccessWindowRectangle(input->info(), 0, 0, num_elems_read_per_iteration, num_rows_read_per_iteration), + output_access); + + output_access.set_valid_region(win, input->info()->valid_region()); + + ICLKernel::configure(win); +} + +void CLHOGBlockNormalizationKernel::run(const Window &window, cl::CommandQueue &queue) +{ + ARM_COMPUTE_ERROR_ON_UNCONFIGURED_KERNEL(this); + ARM_COMPUTE_ERROR_ON_INVALID_SUBWINDOW(ICLKernel::window(), window); + + Window slice = window.first_slice_window_2D(); + do + { + // Compute slice for the magnitude and phase tensors + Window slice_in = window.first_slice_window_2D(); + slice_in.set_dimension_step(Window::DimX, _num_cells_per_block_stride.width); + slice_in.set_dimension_step(Window::DimY, _num_cells_per_block_stride.height); + + unsigned int idx = 0; + add_2D_tensor_argument(idx, _input, slice_in); + add_2D_tensor_argument(idx, _output, slice); + + enqueue(queue, *this, slice); + } + while(window.slide_window_slice_2D(slice)); +} |