高清电视信号高质量传输系统设计

IEEE International Conference on Communications, Including Supercomm Technical Sessions Pub Date : 1990-04-16 DOI:10.1109/ICC.1990.117233

Y. Okumura, K. Irie, R. Kishimoto

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引用次数: 2

摘要

提出了一种基于异步传输模式的宽带网络架构和一种用于高质量HDTV(高清电视)传输系统的图像编码算法。基于子带编码的高清晰度电视编码算法，对保持原有高画质的适用性得到了验证。计算机仿真结果表明，当平均熵为1 b/pel时，信噪比约为38 dB。通过对编码参数的优化，该编码算法可应用于HDTV站间传输。

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High quality transmission system design for HDTV signals

An ATM (asynchronous transfer mode)-based broadband network architecture and a picture coding algorithm for a high-quality HDTV (high-definition television) transmission system are proposed. The HDTV coding algorithm is based on subband coding, and its suitability for maintaining original high picture quality has been confirmed. Computer simulation results show that SNR is about 38 dB when average entropy is 1 b/pel. The coding algorithm can be applied to HDTV transmission between broadcast stations by optimizing its coding parameters.<>

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来源期刊

IEEE International Conference on Communications, Including Supercomm Technical Sessions

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