用于多媒体移动通信的分层图像传输系统

Proceedings of First International Workshop on Wireless Image/Video Communications Pub Date : 1996-09-04 DOI:10.1109/WIVC.1996.624656

M. Morimoto, M. Okada, S. Komaki

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引用次数: 24

摘要

为了在带限衰落信道中实现高质量、高速的数字图像传输，提出了一种基于分层调制的移动图像传输系统。该系统采用分层正交调幅(QAM)方案，根据基于压缩图像的离散余弦变换(DCT)的显著性提供不等传输可靠性。计算机仿真结果表明，该系统在带限衰落信道中是一种有效的高质量、高速图像传输技术。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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A hierarchical image transmission system for multimedia mobile communication

This paper proposes a new mobile image transmission system based on the hierarchical modulation scheme for achieving a high quality and high speed digital image transmission in a band-limited fading channel. The proposed system uses a hierarchical QAM (quadrature amplitude modulation) scheme to give unequal transmission reliability depending on the significance of DCT (discrete cosine transform) based compressed images. Computer simulation results show that the proposed system is an effective high-quality and high-speed image transmission technique in the band-limited fading channel.

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来源期刊

Proceedings of First International Workshop on Wireless Image/Video Communications

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