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如何在Colab中執行OpenCV並顯示影像及視頻,解決imshow, videocapture無法作用問題。

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Colab_OpenCV_Display

如果在Colab中執行OpenCV並顯示影像及視頻,解決imshow, videocapture無法作用問題。

範例程式說明

  1. 將欲存取的檔案自行上傳到雲端硬碟(Google Drive)
  2. 掛載自己的Google Drive
  3. 選擇習慣之影像顯示方式
    方法1.1 透過matplotlib show()顯示
    方法1.2 透過IPython.display及PIL顯示
    方法1.3 以Colab自帶cv2_imshow()函式顯示
  4. 選擇習慣之視頻顯示方式
    方法2.1 透過IPython.display HTML()及base64 b64encode()函式庫顯示視頻
    方法2.2 利用ffmpeg處理OpenCV VideoWriter()產出視頻播放問題

請將測試影像、視頻及範例程式 Colab_OpenCV_Display.ipynb 複製到自己的雲端硬碟 Google Drive上,開啟*.ipynb後即可執行。

或者直接點擊下列連結直接運行,但請依指示將圖檔及影片置於個人Google Drive中。
https://colab.research.google.com/github/OmniXRI/Colab_OpenCV_Display/blob/main/Colab_OpenCV_Display.ipynb

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如何在Colab中執行OpenCV並顯示影像及視頻,解決imshow, videocapture無法作用問題。

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