Cube2Video: Navigate between cubic panoramas in real-time
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摘要Online virtual navigation systems enable users to hop from one 360° panorama to another, which belong to a sparse point-to-point collection, resulting in a less pleasant viewing experience. In this paper, we present a novel method, namely Cube2Video, to support navigating between cubic panoramas in a video-viewing mode. Our method circumvents the intrinsic challenge of cubic panoramas, i.e., the discontinuities between cube faces, in an efficient way. The proposed method extends the matching-triangulation-interpolation procedure with special considerations of the spherical domain. A triangle-to-triangle homography-based warping is developed to achieve physically plausible and visually pleasant interpolation results. The temporal smoothness of the synthesized video sequence is improved by means of a compensation transformation. As experimental results demonstrate, our method can synthesize pleasant video sequences in real time, thus mimicking walking or driving navigation. © 2013 IEEE.
著者Zhao Q., Wan L., Feng W., Zhang J., Wong T.-T.
期刊名稱IEEE Transactions on Multimedia
出版年份2013
月份12
日期2
卷號15
期次8
出版社Institute of Electrical and Electronics Engineers
出版地United States
頁次1745 - 1754
國際標準期刊號1520-9210
電子國際標準期刊號1941-0077
語言英式英語
關鍵詞Cubic panoramas, Temporal smoothness, Triangle-to-triangle homography-based warping, Video-viewing mode, Virtual navigation

上次更新時間 2020-24-11 於 01:23