基于全景拼接的视频稳定边缘恢复

Yuanliang Li, Xianqiao Chen, Yihan Wen, Shuai Sun
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引用次数: 0

摘要

视频防抖广泛应用于生活的各个领域。视频稳像后,由于视频帧的偏移,往往会带来边缘缺失的问题。传统的电子稳像算法是通过裁剪来解决视频边缘信息缺失的问题。裁剪幅度由视频抖动强度和视频平滑算法决定。为了解决这一问题,本文提出了一种基于全景拼接的视频边缘修复方法。利用抖动的互易性来分割视频;结合视频运动轨迹,缩小特征点的提取范围;对分割间隔内的每一帧进行单应性变换,然后拼接成包含全景信息的图像;最后,利用全景图像,对偏移后的每一帧进行拼接,修复缺失边缘信息的视频。实验结果表明,利用真实场景信息还原视频缺失部分,填充自然,效果稳定,可应用于多种复杂环境。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Edge Restoration of Video Stabilization Based on Panoramic Stitching
Video stabilization is widely used in various fields of life. After video stabilization, due to the offset of video frames, it often brings the problem of edge missing. Traditional electronic video stabilization algorithms deal with the problem of missing video edge information through cropping. The clipping amplitude is determined by the intensity of video jitter and video smoothing algorithm. To solve this problem, this paper proposes a method to repair the video edge based on panoramic stitching. Use the reciprocity of jitter to segment the video; combined with the video motion trajectory, the extraction range of feature points is reduced; perform homography transform on each frame in the segmented interval, and then stitch it into an image containing panoramic information; finally, using the panoramic image, each frame after offset is stitched to repair the video with missing edge information. The experimental results show that using the real scene information to restore the missing part of the video, the filling is natural, the effect is stable, and can be applied to a variety of complex environments.
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