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-rw-r--r--src/core/CL/kernels/CLHOGDescriptorKernel.cpp239
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diff --git a/src/core/CL/kernels/CLHOGDescriptorKernel.cpp b/src/core/CL/kernels/CLHOGDescriptorKernel.cpp
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--- a/src/core/CL/kernels/CLHOGDescriptorKernel.cpp
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-/*
- * Copyright (c) 2017-2020 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 "support/StringSupport.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)
-{
- configure(CLKernelLibrary::get().get_compile_context(), input_magnitude, input_phase, output, hog_info);
-}
-
-void CLHOGOrientationBinningKernel::configure(const CLCompileContext &compile_context, 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
- const std::string kernel_name = std::string("hog_orientation_binning");
- _kernel = create_kernel(compile_context, kernel_name, 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_internal(win);
-
- // Set config_id for enabling LWS tuning
- _config_id = kernel_name;
- _config_id += "_";
- _config_id += lower_string(string_from_data_type(input_magnitude->info()->data_type()));
- _config_id += "_";
- _config_id += support::cpp11::to_string(input_magnitude->info()->dimension(0));
- _config_id += "_";
- _config_id += support::cpp11::to_string(input_magnitude->info()->dimension(1));
- _config_id += "_";
- _config_id += support::cpp11::to_string(output->info()->dimension(0));
- _config_id += "_";
- _config_id += support::cpp11::to_string(output->info()->dimension(1));
-}
-
-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, lws_hint());
- }
- 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)
-{
- configure(CLKernelLibrary::get().get_compile_context(), input, output, hog_info);
-}
-
-void CLHOGBlockNormalizationKernel::configure(const CLCompileContext &compile_context, 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());
-
- const std::string kernel_name = std::string("hog_block_normalization");
- _kernel = create_kernel(compile_context, kernel_name, 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, ValidRegion(Coordinates(), output->info()->tensor_shape()));
-
- ICLKernel::configure_internal(win);
-
- // Set config_id for enabling LWS tuning
- _config_id = kernel_name;
- _config_id += "_";
- _config_id += lower_string(string_from_data_type(input->info()->data_type()));
- _config_id += "_";
- _config_id += support::cpp11::to_string(input->info()->dimension(0));
- _config_id += "_";
- _config_id += support::cpp11::to_string(input->info()->dimension(1));
- _config_id += "_";
- _config_id += support::cpp11::to_string(output->info()->dimension(0));
- _config_id += "_";
- _config_id += support::cpp11::to_string(output->info()->dimension(1));
-}
-
-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, lws_hint());
- }
- while(window.slide_window_slice_2D(slice));
-}