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/NEON/functions/NECannyEdge.cpp | 169 +++++++++++++++++++++++++++++ 1 file changed, 169 insertions(+) create mode 100644 src/runtime/NEON/functions/NECannyEdge.cpp (limited to 'src/runtime/NEON/functions/NECannyEdge.cpp') diff --git a/src/runtime/NEON/functions/NECannyEdge.cpp b/src/runtime/NEON/functions/NECannyEdge.cpp new file mode 100644 index 0000000000..26f31f557b --- /dev/null +++ b/src/runtime/NEON/functions/NECannyEdge.cpp @@ -0,0 +1,169 @@ +/* + * 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/NEON/functions/NECannyEdge.h" + +#include "arm_compute/core/Error.h" +#include "arm_compute/core/Helpers.h" +#include "arm_compute/core/ITensor.h" +#include "arm_compute/core/NEON/kernels/NECannyEdgeKernel.h" +#include "arm_compute/core/NEON/kernels/NEFillBorderKernel.h" +#include "arm_compute/core/TensorInfo.h" +#include "arm_compute/core/Validate.h" +#include "arm_compute/runtime/NEON/NEScheduler.h" +#include "arm_compute/runtime/NEON/functions/NESobel3x3.h" +#include "arm_compute/runtime/NEON/functions/NESobel5x5.h" +#include "arm_compute/runtime/NEON/functions/NESobel7x7.h" +#include "arm_compute/runtime/TensorAllocator.h" + +#include +#include + +using namespace arm_compute; + +NECannyEdge::NECannyEdge() + : _sobel(), _gradient(), _non_max_suppr(), _edge_trace(), _border_mag_gradient(), _border_edge_trace(), _gx(), _gy(), _magnitude(), _phase(), _nonmax(), _output(nullptr) +{ +} + +void NECannyEdge::configure(ITensor *input, ITensor *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, + bool use_fp16) +{ + 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(gradient_size < 3); + ARM_COMPUTE_ERROR_ON(gradient_size > 7); + ARM_COMPUTE_ERROR_ON(lower_thr > upper_thr); + ARM_COMPUTE_ERROR_ON((1 != norm_type) && (2 != norm_type)); + + _output = output; + + const TensorShape &shape = input->info()->tensor_shape(); + TensorInfo gradient_info; + TensorInfo magnitude_info; + + // Initialize images + if(gradient_size < 7) + { + gradient_info.init(shape, Format::S16); + magnitude_info.init(shape, Format::U16); + } + else + { + gradient_info.init(shape, Format::S32); + magnitude_info.init(shape, Format::U32); + } + + _gx.allocator()->init(gradient_info); + _gy.allocator()->init(gradient_info); + _magnitude.allocator()->init(magnitude_info); + + TensorInfo info(shape, Format::U8); + _phase.allocator()->init(info); + _nonmax.allocator()->init(info); + + // 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 size not supported\n"); + } + + // Configure gradient + if(use_fp16) + { + auto k = arm_compute::cpp14::make_unique(); + k->configure(&_gx, &_gy, &_magnitude, &_phase, norm_type); + _gradient = std::move(k); + } + else + { + auto k = arm_compute::cpp14::make_unique(); + k->configure(&_gx, &_gy, &_magnitude, &_phase, norm_type); + _gradient = std::move(k); + } + + // Configure non-maxima suppression + _non_max_suppr.configure(&_magnitude, &_phase, &_nonmax, upper_thr, 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(&_magnitude, _non_max_suppr.border_size(), border_mode, constant_border_value); + + // Configure edge tracing + _edge_trace.configure(&_nonmax, output); + + // Fill border with "No edge" to stop recursion in edge trace + _border_edge_trace.configure(&_nonmax, _edge_trace.border_size(), BorderMode::CONSTANT, 0); + + // Allocate intermediate tensors + _gx.allocator()->allocate(); + _gy.allocator()->allocate(); + _phase.allocator()->allocate(); + _magnitude.allocator()->allocate(); + _nonmax.allocator()->allocate(); +} + +void NECannyEdge::run() +{ + ARM_COMPUTE_ERROR_ON_MSG(_sobel == nullptr, "Unconfigured function"); + ARM_COMPUTE_ERROR_ON(_output == nullptr); + + // Run sobelNxN + _sobel->run(); + + // Fill border before non-maxima suppression. Nop for border mode undefined. + _border_mag_gradient.run(_border_mag_gradient.window()); + + // Run gradient + NEScheduler::get().schedule(_gradient.get(), Window::DimY); + + // Run non-maxima suppression + NEScheduler::get().schedule(&_non_max_suppr, Window::DimY); + + ARM_COMPUTE_ERROR_ON(_output->buffer() == nullptr); + memset(_output->buffer(), 0, _output->info()->total_size()); + + // Fill border before edge trace + _border_edge_trace.run(_border_edge_trace.window()); + + // Run edge tracing + _edge_trace.run(_edge_trace.window()); +} -- cgit v1.2.1