回答編集履歴
1
追記
test
CHANGED
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@@ -10,7 +10,7 @@
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10
10
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11
11
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12
12
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13
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-
auto img = cv::imread(
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13
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+
const auto img = cv::imread(
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R"""(C:...\Lenna.png)"""
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16
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@@ -49,3 +49,25 @@
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49
49
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}
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```
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52
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53
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54
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55
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添え字も同時に獲得したいなら、こんな感じ。
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56
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57
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```C++
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58
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59
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const auto& size = descriptors.size();
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60
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61
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for(int y = 0, end_y = size.height; y < end_y; ++y) {
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62
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63
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for(int x = 0, end_x = size.width; x < end_x; ++x) {
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64
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65
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std::cout <<
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66
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67
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static_cast<int>(descriptors.at<unsigned char>(y, x)) << " ";
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68
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69
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}
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70
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71
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}
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72
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73
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```
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