多维转码中mpeg压缩域的失真度量

2005 IEEE 7th Workshop on Multimedia Signal Processing Pub Date : 2005-10-01 DOI:10.1109/MMSP.2005.248590

Yong Ju Jung, T. Thang, Yong Man Ro

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引用次数: 4

摘要

为了找到空间-信噪比-时间转码操作的最佳组合，我们需要测量由转码操作引起的失真。在本文中，我们开发了一种计算方法，通过DCT域中的最小解码过程，仅使用直接从输入比特流中提取的信息来计算失真。我们的畸变建模的目的是在整个转码过程之前估计多维畸变

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Distortion Measures in MPEG-Compressed Domain for Multidimensional Transcoding

In order to find the optimal combination of spatio-SNR-temporal transcoding operations, we need to measure the distortion due to the transcoding operations. In this paper, we develop computational methods to calculate the distortion by using only the information extracted directly from the input bitstream through a minimum decoding process in the DCT domain. The objective of our distortion modeling is to estimate the multidimensional distortion before the entire transcoding process

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2005 IEEE 7th Workshop on Multimedia Signal Processing

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