質問編集履歴
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他のエラーが発生
test
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raspberry piでまばたき検出
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raspberry piでまばたき検出 ディスプレイが開けない
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test
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pythonのファイルが置かれているディレクトリで以下を実行すると
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python detect_blinks.py --shape-predictor shape_predictor_68_face_landmarks.dat --video blink_detection_demo.mp4
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[INFO] starting video stream thread...
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Unable to init server: Could not connect: 接続を拒否されました
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(python:882): GStreamer-CRITICAL **: gst_element_get_state: assertion 'GST_IS_ELEMENT (element)' failed
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(Frame:952): Gtk-WARNING **: cannot open display:
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File "detect_blinks.py", line 82, in <module>
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frame = imutils.resize(frame, width=450)
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File "/usr/local/lib/python2.7/dist-packages/imutils/convenience.py", line 69, in resize
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(h, w) = image.shape[:2]
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AttributeError: 'NoneType' object has no attribute 'shape'
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```
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