From 6ff3b19ee6120edf015fad8caab2991faa3070af Mon Sep 17 00:00:00 2001 From: Anthony Barbier Date: Mon, 4 Sep 2017 18:44:23 +0100 Subject: COMPMID-344 Updated doxygen Change-Id: I32f7b84daa560e460b77216add529c8fa8b327ae --- src/runtime/CL/functions/CLCannyEdge.cpp | 155 +++++++++++++++++++++++++++++++ 1 file changed, 155 insertions(+) create mode 100644 src/runtime/CL/functions/CLCannyEdge.cpp (limited to 'src/runtime/CL/functions/CLCannyEdge.cpp') diff --git a/src/runtime/CL/functions/CLCannyEdge.cpp b/src/runtime/CL/functions/CLCannyEdge.cpp new file mode 100644 index 0000000000..1d018b8347 --- /dev/null +++ b/src/runtime/CL/functions/CLCannyEdge.cpp @@ -0,0 +1,155 @@ +/* + * 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/runtime/CL/functions/CLCannyEdge.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/Validate.h" +#include "arm_compute/runtime/CL/CLScheduler.h" +#include "arm_compute/runtime/CL/functions/CLSobel3x3.h" +#include "arm_compute/runtime/CL/functions/CLSobel5x5.h" +#include "arm_compute/runtime/CL/functions/CLSobel7x7.h" + +using namespace arm_compute; + +CLCannyEdge::CLCannyEdge() + : _sobel(nullptr), _gradient(), _border_mag_gradient(), _non_max_suppr(), _edge_trace(), _gx(), _gy(), _mag(), _phase(), _nonmax(), _visited(), _recorded(), _l1_list_counter(), _l1_stack() +{ +} + +void CLCannyEdge::configure(ICLTensor *input, ICLTensor *output, int32_t upper_thr, int32_t lower_thr, int32_t gradient_size, int32_t norm_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, 1, DataType::U8); + ARM_COMPUTE_ERROR_ON((1 != norm_type) && (2 != norm_type)); + ARM_COMPUTE_ERROR_ON(lower_thr > upper_thr); + + const unsigned int L1_hysteresis_stack_size = 8; + const TensorShape shape = input->info()->tensor_shape(); + + TensorInfo gradient_info; + TensorInfo info; + + // Initialize images + if(gradient_size < 7) + { + gradient_info.init(shape, 1, arm_compute::DataType::S16); + info.init(shape, 1, arm_compute::DataType::U16); + } + else + { + gradient_info.init(shape, 1, arm_compute::DataType::S32); + info.init(shape, 1, arm_compute::DataType::U32); + } + + _gx.allocator()->init(gradient_info); + _gy.allocator()->init(gradient_info); + _mag.allocator()->init(info); + _nonmax.allocator()->init(info); + + TensorInfo info_u8(shape, 1, arm_compute::DataType::U8); + _phase.allocator()->init(info_u8); + _l1_list_counter.allocator()->init(info_u8); + + TensorInfo info_u32(shape, 1, arm_compute::DataType::U32); + _visited.allocator()->init(info_u32); + _recorded.allocator()->init(info_u32); + + TensorShape shape_l1_stack = input->info()->tensor_shape(); + shape_l1_stack.set(0, input->info()->dimension(0) * L1_hysteresis_stack_size); + TensorInfo info_s32(shape_l1_stack, 1, arm_compute::DataType::S32); + _l1_stack.allocator()->init(info_s32); + + // Configure/Init sobelNxN + if(gradient_size == 3) + { + auto k = arm_compute::cpp14::make_unique(); + k->configure(input, &_gx, &_gy, border_mode, constant_border_value); + _sobel = std::move(k); + } + else if(gradient_size == 5) + { + auto k = arm_compute::cpp14::make_unique(); + k->configure(input, &_gx, &_gy, border_mode, constant_border_value); + _sobel = std::move(k); + } + else if(gradient_size == 7) + { + auto k = arm_compute::cpp14::make_unique(); + k->configure(input, &_gx, &_gy, border_mode, constant_border_value); + _sobel = std::move(k); + } + else + { + ARM_COMPUTE_ERROR("Gradient %d size not supported", gradient_size); + } + + // Configure gradient + _gradient.configure(&_gx, &_gy, &_mag, &_phase, norm_type); + + // Configure non-maxima suppression + _non_max_suppr.configure(&_mag, &_phase, &_nonmax, lower_thr, border_mode == BorderMode::UNDEFINED); + + // Fill border around magnitude image as non-maxima suppression will access + // it. If border mode is undefined filling the border is a nop. + _border_mag_gradient.configure(&_mag, _non_max_suppr.border_size(), border_mode, constant_border_value); + + // Configure edge tracing + _edge_trace.configure(&_nonmax, output, upper_thr, lower_thr, &_visited, &_recorded, &_l1_stack, &_l1_list_counter); + + _gx.allocator()->allocate(); + _gy.allocator()->allocate(); + _phase.allocator()->allocate(); + _mag.allocator()->allocate(); + _visited.allocator()->allocate(); + _recorded.allocator()->allocate(); + _l1_stack.allocator()->allocate(); + _l1_list_counter.allocator()->allocate(); + _nonmax.allocator()->allocate(); +} + +void CLCannyEdge::run() +{ + // Run sobel + _sobel->run(); + + // Run phase and magnitude calculation + CLScheduler::get().enqueue(_gradient, false); + + // Fill border before non-maxima suppression. Nop for border mode undefined. + CLScheduler::get().enqueue(_border_mag_gradient, false); + + // Run non max suppresion + _nonmax.clear(CLScheduler::get().queue()); + CLScheduler::get().enqueue(_non_max_suppr, false); + + // Clear temporary structures and run edge trace + _visited.clear(CLScheduler::get().queue()); + _recorded.clear(CLScheduler::get().queue()); + _l1_list_counter.clear(CLScheduler::get().queue()); + _l1_stack.clear(CLScheduler::get().queue()); + CLScheduler::get().enqueue(_edge_trace, true); +} -- cgit v1.2.1