Abstract
High-resolution (HR) videos have many different properties from low-resolution
videos in terms of motion vectors (MVs) and occlusions. Therefore, it is necessary to
develop an optimized motion-compensated frame interpolation (MCFI) method for HR videos.
This paper proposes an MCFI method for HR videos that uses a hierarchical motion
estimation composed of a modified 3-D recursive search and motion refinement using
temporal MV smoothness. In addition, a robust frame interpolation method is proposed
that assigns accurate MVs to the intermediate frame. The experimental results confirm
that the proposed method outperforms previous MCFI methods in terms of the quality of
the intermediate frames.
© 2015 IEEE
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