OpenCV VideoCapture.get()参数详解

我会带着你远行 2022-04-02 10:08 225阅读 0赞

<table> 
 <thead> 
  <tr> 
   <th>param</th> 
   <th>define</th> 
  </tr> 
 </thead> 
 <tbody> 
  <tr> 
   <td>cv2.VideoCapture.get(0)</td> 
   <td>视频文件的当前位置（播放）以毫秒为单位</td> 
  </tr> 
  <tr> 
   <td>cv2.VideoCapture.get(1)</td> 
   <td>基于以0开始的被捕获或解码的帧索引</td> 
  </tr> 
  <tr> 
   <td>cv2.VideoCapture.get(2)</td> 
   <td>视频文件的相对位置（播放）：0=电影开始，1=影片的结尾。</td> 
  </tr> 
  <tr> 
   <td>cv2.VideoCapture.get(3)</td> 
   <td>在视频流的帧的宽度</td> 
  </tr> 
  <tr> 
   <td>cv2.VideoCapture.get(4)</td> 
   <td>在视频流的帧的高度</td> 
  </tr> 
  <tr> 
   <td>cv2.VideoCapture.get(5)</td> 
   <td>帧速率</td> 
  </tr> 
  <tr> 
   <td>cv2.VideoCapture.get(6)</td> 
   <td>编解码的4字-字符代码</td> 
  </tr> 
  <tr> 
   <td>cv2.VideoCapture.get(7)</td> 
   <td>视频文件中的帧数</td> 
  </tr> 
  <tr> 
   <td>cv2.VideoCapture.get(8)</td> 
   <td>返回对象的格式</td> 
  </tr> 
  <tr> 
   <td>cv2.VideoCapture.get(9)</td> 
   <td>返回后端特定的值，该值指示当前捕获模式</td> 
  </tr> 
  <tr> 
   <td>cv2.VideoCapture.get(10)</td> 
   <td>图像的亮度(仅适用于照相机)</td> 
  </tr> 
  <tr> 
   <td>cv2.VideoCapture.get(11)</td> 
   <td>图像的对比度(仅适用于照相机)</td> 
  </tr> 
  <tr> 
   <td>cv2.VideoCapture.get(12)</td> 
   <td>图像的饱和度(仅适用于照相机)</td> 
  </tr> 
  <tr> 
   <td>cv2.VideoCapture.get(13)</td> 
   <td>色调图像(仅适用于照相机)</td> 
  </tr> 
  <tr> 
   <td>cv2.VideoCapture.get(14)</td> 
   <td>图像增益(仅适用于照相机)（Gain在摄影中表示白平衡提升）</td> 
  </tr> 
  <tr> 
   <td>cv2.VideoCapture.get(15)</td> 
   <td>曝光(仅适用于照相机)</td> 
  </tr> 
  <tr> 
   <td>cv2.VideoCapture.get(16)</td> 
   <td>指示是否应将图像转换为RGB布尔标志</td> 
  </tr> 
  <tr> 
   <td>cv2.VideoCapture.get(17)</td> 
   <td>× 暂时不支持</td> 
  </tr> 
  <tr> 
   <td>cv2.VideoCapture.get(18)</td> 
   <td>立体摄像机的矫正标注（目前只有DC1394 v.2.x后端支持这个功能）</td> 
  </tr> 
 </tbody> 
</table>