该文提出了一种噪声信道下传输渐进图像的联合信源信道编码方法。

In this paper, a joint source channel coding scheme used to transmit progressive image bit stream over noisy channel is proposed.

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当通过窄带连接进行图像传输时，渐进图像传输可以减少用户等待时间，提高浏览速度。

Progressive image transmission can help reducing the latency time and raise the browsing speed when transmitting images over low band links.

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该文根据信源编码压缩比、信道码率及信道特征对渐进图像传输失真的影响，提出一种基于最小图像失真的动态码率分配策略。

A dynamic rate allocation method is presented which is based on the compression rate of image source coder, channel rate, channel characters and their influence on the distortion of progressive image.

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