加权自适应运动补偿帧率上转换

Sung-Hee Lee, Ohjae Kwon, Rae-Hong Park
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引用次数: 88

摘要

我们提出了一种使用加权自适应运动补偿插值(WAMCI)的帧率上转换算法,该算法减少了由于基于块的处理而产生的块伪影。该方法基于多次插值滤波结果的加权和插值方案。此外,该方法采用了一种类似于重叠块运动补偿(OBMC)的技术,减少了块边界上的块伪影。为了减少重叠处理的缺点,该方法利用运动分析来确定运动类型,并自适应地应用WAMCI。实验结果表明,该方案具有良好的性能,显著降低了阻塞伪影。
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Weighted-adaptive motion-compensated frame rate up-conversion
We propose a frame rate up-conversion algorithm using the weighted-adaptive motion-compensated interpolation (WAMCI) that reduces the blocking artifacts due to block-based processing. The proposed method is based on the interpolation scheme by weighted sum of multiple interpolation filtering results. Also, the blocking artifacts on the block boundaries are reduced by applying a technique similar to the overlapping-block motion compensation (OBMC) in the proposed method. To reduce the drawback of overlapping processing, the proposed method uses the motion analysis to determine the type of motion and applies the WAMCI adaptively. Experimental results indicate good performance of the proposed scheme with significantly reduced blocking artifacts.
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