| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | #include "belov_e_sobel/tbb/include/ops_tbb.hpp" | ||
| 2 | |||
| 3 | #include <tbb/blocked_range2d.h> | ||
| 4 | #include <tbb/parallel_for.h> | ||
| 5 | |||
| 6 | #include <algorithm> | ||
| 7 | #include <cmath> | ||
| 8 | #include <cstddef> | ||
| 9 | #include <cstdint> | ||
| 10 | #include <vector> | ||
| 11 | |||
| 12 | #include "belov_e_sobel/common/include/common.hpp" | ||
| 13 | |||
| 14 | namespace belov_e_sobel { | ||
| 15 | |||
| 16 |
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8 | BelovESobelTBB::BelovESobelTBB(const InType &in) { |
| 17 | SetTypeOfTask(GetStaticTypeOfTask()); | ||
| 18 | GetInput() = in; | ||
| 19 | GetOutput() = in; | ||
| 20 | 8 | } | |
| 21 | |||
| 22 |
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8 | bool BelovESobelTBB::ValidationImpl() { |
| 23 |
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8 | return !std::get<0>(GetInput()).empty() && (std::get<1>(GetInput()) > 0) && (std::get<2>(GetInput()) > 0); |
| 24 | } | ||
| 25 | |||
| 26 | 8 | bool BelovESobelTBB::PreProcessingImpl() { | |
| 27 | 8 | return true; | |
| 28 | } | ||
| 29 | |||
| 30 | 8 | bool BelovESobelTBB::RunImpl() { | |
| 31 | const std::vector<uint8_t> &input = std::get<0>(GetInput()); | ||
| 32 | std::vector<uint8_t> &output = std::get<0>(GetOutput()); | ||
| 33 | 8 | int width = std::get<1>(GetInput()); | |
| 34 | 8 | int height = std::get<2>(GetInput()); | |
| 35 | |||
| 36 | auto get_px = [&](int col, int row) -> float { | ||
| 37 | 3314032 | int clamped_x = std::clamp(col, 0, width - 1); | |
| 38 | 3314032 | int clamped_y = std::clamp(row, 0, height - 1); | |
| 39 | 3314032 | return static_cast<float>(input[(static_cast<std::size_t>(clamped_y) * width) + clamped_x]); | |
| 40 | 8 | }; | |
| 41 | |||
| 42 | 2964 | tbb::parallel_for(tbb::blocked_range2d<int>(0, height, 0, width), [&](const tbb::blocked_range2d<int> &r) { | |
| 43 |
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90945 | for (int row = r.rows().begin(); row < r.rows().end(); ++row) { |
| 44 |
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3402021 | for (int col = r.cols().begin(); col < r.cols().end(); ++col) { |
| 45 | 3314032 | float gx = (-1 * get_px(col - 1, row - 1)) + (1 * get_px(col + 1, row - 1)) + (-2 * get_px(col - 1, row)) + | |
| 46 | 3314032 | (2 * get_px(col + 1, row)) + (-1 * get_px(col - 1, row + 1)) + (1 * get_px(col + 1, row + 1)); | |
| 47 | |||
| 48 | 3314032 | float gy = (-1 * get_px(col - 1, row - 1)) - (2 * get_px(col, row - 1)) - (1 * get_px(col + 1, row - 1)) + | |
| 49 | 3314032 | (1 * get_px(col - 1, row + 1)) + (2 * get_px(col, row + 1)) + (1 * get_px(col + 1, row + 1)); | |
| 50 | |||
| 51 | 3314032 | float magnitude = std::sqrt((gx * gx) + (gy * gy)); | |
| 52 | 3314032 | output[(static_cast<std::size_t>(row) * width) + col] = static_cast<uint8_t>(std::min(255.0F, magnitude)); | |
| 53 | } | ||
| 54 | } | ||
| 55 | 2956 | }); | |
| 56 | |||
| 57 | 8 | return true; | |
| 58 | } | ||
| 59 | |||
| 60 |
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8 | bool BelovESobelTBB::PostProcessingImpl() { |
| 61 |
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8 | return !std::get<0>(GetOutput()).empty() && (std::get<1>(GetOutput()) > 0) && (std::get<2>(GetOutput()) > 0); |
| 62 | } | ||
| 63 | |||
| 64 | } // namespace belov_e_sobel | ||
| 65 |