视频到全景图像 [英] Video to panorama image

问题描述

opencv 或任何其他框架中的新功能，我有来自静态相机的视频，我想从中创建全景图像.我确实尝试将视频分割成帧，然后将所有帧拼接在一起，但速度太慢了.还有其他解决方案吗?

Kind of new in opencv or any other framework , I have a video from a static camera I would like to create a panorama image out of. I did try splitting the video into frames and then stitching all the frames together but it was too slow. Is there any other solutions ?

推荐答案

OpenCV 中没有现成的解决方案.

There is no out-of-the-box solution in OpenCV.

为了加快速度，您可以只拍摄第 n 帧，并希望摄影师不要移动得太快.

To speed it up, you could take only every n-th frame and hope that the camera man doesn't move too fast.

您可以尝试更深入地了解缝合馅饼线.我不知道您的视频，但您可以执行以下操作:

You might try to dive deeper into the stitching pieline. I don't know about your video, but you could do the following:

如果您的视频经常包含静态相机的部分，请尝试检查是否有移动.如果没有运动，您就不必缝合.要快速检测运动，请使用帧的缩小版本，或仅帧的一个区域并匹配这些.

If your video often has parts with a still camera try to check if there is movement. If there is no movement you don't habe to stitch. To detect the movement fast take a scaled down version of the frames, or only a region of your frames and match these.

如果您知道运动的方向，您可以尝试剪切图像的一部分.所以如果相机向右移动，你可以剪掉最左边的部分并仍然缝合，因为帧与帧之间的视频信息变化应该很小.

If you know the direction of movement you could try and cut a part of your image of. So if the camera is moving to the right you could cut the leftmost part of and still stitch, because the change in videoinformation from frame to frame should be small.

tl;dr 没有简单的方法，深入了解拼接管道并根据您的源材料定制算法以获得加速

tl;dr no easy way, dive deeper into the stitching pipeline and tailor the algorithm to your source material to gain a speed-up

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