| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | #include "krykov_e_sobel_op/omp/include/ops_omp.hpp" | ||
| 2 | |||
| 3 | #include <omp.h> | ||
| 4 | |||
| 5 | #include <array> | ||
| 6 | #include <cmath> | ||
| 7 | #include <cstddef> | ||
| 8 | #include <vector> | ||
| 9 | |||
| 10 | #include "krykov_e_sobel_op/common/include/common.hpp" | ||
| 11 | |||
| 12 | namespace krykov_e_sobel_op { | ||
| 13 | |||
| 14 |
1/2✓ Branch 1 taken 12 times.
✗ Branch 2 not taken.
|
12 | KrykovESobelOpOMP::KrykovESobelOpOMP(const InType &in) { |
| 15 | SetTypeOfTask(GetStaticTypeOfTask()); | ||
| 16 | GetInput() = in; | ||
| 17 | GetOutput().clear(); | ||
| 18 | 12 | } | |
| 19 | |||
| 20 | 12 | bool KrykovESobelOpOMP::ValidationImpl() { | |
| 21 | const auto &img = GetInput(); | ||
| 22 |
3/6✓ Branch 0 taken 12 times.
✗ Branch 1 not taken.
✗ Branch 2 not taken.
✓ Branch 3 taken 12 times.
✗ Branch 4 not taken.
✓ Branch 5 taken 12 times.
|
12 | return img.width > 2 && img.height > 2 && static_cast<int>(img.data.size()) == img.width * img.height; |
| 23 | } | ||
| 24 | |||
| 25 | 12 | bool KrykovESobelOpOMP::PreProcessingImpl() { | |
| 26 | const auto &img = GetInput(); | ||
| 27 | |||
| 28 | 12 | width_ = img.width; | |
| 29 | 12 | height_ = img.height; | |
| 30 | |||
| 31 | 12 | grayscale_.resize(static_cast<size_t>(width_) * static_cast<size_t>(height_)); | |
| 32 | // RGB → grayscale | ||
| 33 |
2/2✓ Branch 0 taken 192 times.
✓ Branch 1 taken 12 times.
|
204 | for (int i = 0; i < width_ * height_; ++i) { |
| 34 | 192 | const Pixel &p = img.data[i]; | |
| 35 | 192 | grayscale_[i] = static_cast<int>((0.299 * p.r) + (0.587 * p.g) + (0.114 * p.b)); | |
| 36 | } | ||
| 37 | 12 | GetOutput().assign(static_cast<size_t>(width_) * static_cast<size_t>(height_), 0); | |
| 38 | 12 | return true; | |
| 39 | } | ||
| 40 | |||
| 41 | 12 | bool KrykovESobelOpOMP::RunImpl() { | |
| 42 | 12 | const std::array<std::array<int, 3>, 3> gx_kernel = {{{-1, 0, 1}, {-2, 0, 2}, {-1, 0, 1}}}; | |
| 43 | |||
| 44 | 12 | const std::array<std::array<int, 3>, 3> gy_kernel = {{{-1, -2, -1}, {0, 0, 0}, {1, 2, 1}}}; | |
| 45 | |||
| 46 | auto &output = GetOutput(); | ||
| 47 | |||
| 48 | 12 | const auto &gray = grayscale_; | |
| 49 | 12 | const int h = height_; | |
| 50 | 12 | const int w = width_; | |
| 51 | |||
| 52 | 12 | #pragma omp parallel for default(none) shared(output, gray, gx_kernel, gy_kernel) firstprivate(h, w) schedule(static) | |
| 53 | |||
| 54 | for (int row = 1; row < h - 1; ++row) { | ||
| 55 | for (int col = 1; col < w - 1; ++col) { | ||
| 56 | int gx = 0; | ||
| 57 | int gy = 0; | ||
| 58 | |||
| 59 | for (int ky = -1; ky <= 1; ++ky) { | ||
| 60 | for (int kx = -1; kx <= 1; ++kx) { | ||
| 61 | int pixel = gray[((row + ky) * w) + (col + kx)]; | ||
| 62 | gx += pixel * gx_kernel.at(ky + 1).at(kx + 1); | ||
| 63 | gy += pixel * gy_kernel.at(ky + 1).at(kx + 1); | ||
| 64 | } | ||
| 65 | } | ||
| 66 | |||
| 67 | int magnitude = static_cast<int>(std::sqrt(static_cast<double>((gx * gx) + (gy * gy)))); | ||
| 68 | |||
| 69 | output[(row * w) + col] = magnitude; | ||
| 70 | } | ||
| 71 | } | ||
| 72 | |||
| 73 | 12 | return true; | |
| 74 | } | ||
| 75 | |||
| 76 | 12 | bool KrykovESobelOpOMP::PostProcessingImpl() { | |
| 77 | 12 | return true; | |
| 78 | } | ||
| 79 | |||
| 80 | } // namespace krykov_e_sobel_op | ||
| 81 |