Stream cipher and block cipher are main cipher systems in image encryption algorithm based on bit operation.
流密码与分组密码是基于位运算的图像加密算法中两种主要密码体制。
On the condition of bit stream lost, it can preserve image detail information and reduce the image distortion at bigger compression ratio.
该算法具有很好的细节处理效果，在大压缩比的情况下使图像的失真率大大降低。
This method can efficiently remove correlation in image data, obtaining a low transmission bit stream.
该方法能有效地消除图象数据的空间相关性，获得低传输位率。
In this paper, a joint source channel coding scheme used to transmit progressive image bit stream over noisy channel is proposed.
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。
The method has high compression effiency and adjustable image snr . The bit-stream could be decoded at any bit.
本文方法具有较高的压缩效率，而且信噪比可调，能够满足传输码流在任意码流截断处解码的要求。
The method has high compression effiency and adjustable image snr . The bit-stream could be decoded at any bit.
本文方法具有较高的压缩效率，而且信噪比可调，能够满足传输码流在任意码流截断处解码的要求。
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