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Colour correction pre-processing and chrominance reconstruction post-processing for multi-view video coding

机译:多视点视频编码的色彩校正预处理和色度重建后处理

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摘要

In a multi-view video system, a great amount of data for storage and transmission raise an inevitable problem to be solved. In this study, a new multi-view video coding (MVC) method is proposed by performing colour correction as a preprocessing step and chrominance reconstruction as a post-processing step. In the proposed method, colour correction is first performed to eliminate colour differences among views and to improve coding efficiency simultaneously. Then, chrominance information in some particular views is discarded to reduce bit-rates. Finally, the discarded chrominance information is reconstructed accurately at the decoder. Experimental results show that the proposed method can better increase the bit-rate saving than the original MVC system. Moreover, the proposed method can accomplish higher quality reconstruction at the trivial cost of quality degradation.
机译:在多视点视频系统中,用于存储和传输的大量数据提出了不可避免的问题。在这项研究中,通过执行颜色校正作为预处理步骤和色度重建作为后处理步骤,提出了一种新的多视图视频编码(MVC)方法。在提出的方法中,首先执行色彩校正以消除视图之间的色彩差异并同时提高编码效率。然后,丢弃某些特定视图中的色度信息以降低比特率。最后,丢弃的色度信息在解码器中被准确地重建。实验结果表明,与原始的MVC系统相比,该方法可以更好地提高比特率的节省。此外,所提出的方法可以以微不足道的质量下降代价完成更高质量的重建。

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