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In this paper, we consider compensation of focus mismatches for frames that are encoded with inter-view bi-prediction (B-frames) in multiview coding (MVC). We start with an analysis of a multiview system with focus mismatches, to demonstrate that a B-frame may suffer from different types of mismatches with respect to the frames from different views used as references. As compared to our previous work...
We propose an adaptive filtering approach for coding video that exhibits localized camera focus changes, e.g., such that different portions of a video frame can undergo different blurriness/sharpness changes with respect to corresponding areas in frames used for prediction. First we obtain, for each macroblock, the filter that provides maximum reduction in residual energy, when applied to the reference...
We propose new tools for multiview video coding (MVC) that aim to compensate for mismatches between video frames corresponding to different views. Such mismatches could be caused by different shooting positions of the cameras and/or heterogeneous camera settings. In particular, we consider illumination and focus mismatches across views, i.e., such that different portions of a video frame can undergo...
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