質問編集履歴
3
追記3
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長くなりましたが、何卒よろしくお願いします。
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【追記3】
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153
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```Python
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import cv2
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import os
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```
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に変更したところ
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> エラー
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164
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165
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Traceback (most recent call last):
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File "camera.py", line 2, in <module>
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import cv2
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ImportError: No module named 'cv2'
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となりました。
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2
追記2
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test
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To avoid this problem you can invoke Python with '-m pip' instead of running pip directly.
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pip 20.1.1 from /home/pi/.local/lib/python3.5/site-packages/pip (python 3.5)
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【追記2】
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上記はPython2で実行しました。
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122
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上記の開発環境構築の手順は以下の通りです。
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> 開発環境構築手順
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$ apt -y install libopencv-dev python-opencv
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$ pip install -U pip
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また、Python3での実行を試みたところ、以下のエラーが出ました。
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134
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> エラーメッセージPython3
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136
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Traceback (most recent call last):
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138
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139
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File "camera.py", line 2, in <module>
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140
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import cv2, os
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ImportError: No module named 'cv2'
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長くなりましたが、何卒よろしくお願いします。
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1
追記
test
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File without changes
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test
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@@ -9,3 +9,107 @@
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9
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import cv2, os
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ImportError: /usr/lib/arm-linux-gnueabihf/libopencv_legacy.so.2.4: undefined symbol: _ZN2kv14Fernlassifmms4readEVKN?_8FileNodeE
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12
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13
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14
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15
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【追記】ソースコードと各種バージョンは以下の通りです。
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16
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19
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```Python
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20
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from datetime import datetime
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22
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23
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import cv2, os
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24
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25
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def main():
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29
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30
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31
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current_dir = os.path.dirname(os.path.abspath(__file__)) + '/'
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32
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33
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34
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35
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cam = cv2.VideoCapture(0)
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36
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if cam == None:
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38
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return False
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40
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41
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42
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43
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while True:
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44
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45
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_, img = cam.read()
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46
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47
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48
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49
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shoot_time = datetime.now()
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50
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51
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image_file = current_dir + shoot_time.strftime('%Y%m%d_%H%M%S%f') +'.jpg'
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52
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53
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54
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55
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cv2.imwrite(image_file, img)
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56
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57
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58
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59
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if cv2.waitKey(1) == 13: break
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60
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61
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62
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63
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cam.release()
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64
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65
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cv2.destroyAllWindows()
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66
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67
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68
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69
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if __name__ == '__main__':
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70
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71
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main()
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72
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73
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74
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75
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```
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76
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77
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78
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79
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> 各種バージョン
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80
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81
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$ apt search opencv | grep -e libopencv-dev -e python-opencv
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82
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83
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WARNING: apt does not have a stable CLI interface. Use with caution in scripts.
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84
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85
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libopencv-dev/oldstable,now 2.4.9.1+dfsg1-2 armhf [インストール済み]
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86
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+
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87
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python-opencv/oldstable,now 2.4.9.1+dfsg1-2 armhf [インストール済み]
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88
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+
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89
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$ python -V
|
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90
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+
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91
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Python 2.7.13
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92
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93
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$ python3 -V
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94
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+
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|
95
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Python 3.5.3
|
|
96
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+
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|
97
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+
$pip -V
|
|
98
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+
|
|
99
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+
WARNING: pip is being invoked by an old script wrapper. This will fail in a future version of pip.
|
|
100
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+
|
|
101
|
+
Please see https://github.com/pypa/pip/issues/5599 for advice on fixing the underlying issue.
|
|
102
|
+
|
|
103
|
+
To avoid this problem you can invoke Python with '-m pip' instead of running pip directly.
|
|
104
|
+
|
|
105
|
+
pip 20.1.1 from /home/pi/.local/lib/python2.7/site-packages/pip (python 2.7)
|
|
106
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+
|
|
107
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+
$ pip3 -V
|
|
108
|
+
|
|
109
|
+
WARNING: pip is being invoked by an old script wrapper. This will fail in a future version of pip.
|
|
110
|
+
|
|
111
|
+
Please see https://github.com/pypa/pip/issues/5599 for advice on fixing the underlying issue.
|
|
112
|
+
|
|
113
|
+
To avoid this problem you can invoke Python with '-m pip' instead of running pip directly.
|
|
114
|
+
|
|
115
|
+
pip 20.1.1 from /home/pi/.local/lib/python3.5/site-packages/pip (python 3.5)
|