基于决策的深度错误隐藏

M. Ranjbari, A. Sali, H. A. Karim, F. Hashim
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引用次数: 2

摘要

立体视频的一种常见表现形式是将二维视频与其相应的深度图相结合,该深度图由激光摄像机制作,以表示视频中的深度。当这种类型的视频在容易出错的信道上传输时,丢包导致帧丢失;这种帧丢失主要发生在深度帧中。因此,基于决策的深度误差隐藏被称为DM-PV,它利用了二维图像与其相应深度图的高度相关性。二维图像提供关于深度序列中缺失帧的信息,以帮助决策过程,以隐藏丢失的帧。该过程包括插入适当的空白帧和重复前一帧,而不是在深度序列中缺失帧。与不需要决策的帧复制方法相比,PSNR性能得到了提高。此外,使用DM-PV技术可以提高立体视频的主观质量。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Depth error concealment based on decision making
One of the common form of representing stereoscopic video is combination of 2D video with its corresponding depth map which is made by a laser camera to illustrate depth in the video. When this type of video is transmitted over error prone channels, the packet loss leads to frame loss; and mostly this frame lost occur in depth frames. Thus, a depth error concealment based on decision making termed as DM-PV, which exploits high correlation of 2-D image and its corresponding depth map. The 2D image provide information about the missing frame in the depth sequence to assist the decision making process in order to conceal the lost frames. The process involves inserting proper blank frame and duplication of previous frames instead of missing frames in depth sequence. PSNR performance improves over frame copy method has no decision making. Furthermore, subjective quality of stereoscopic video is better using DM-PV.
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