低频重要系数采用无失真编码压缩。
The low frequency important coefficients were coded by undistorted compression.
以联合编码的观点讨论了离散平稳各态历经信源及离散无记忆信道的联合编码系统实现无失真可靠通信的充要条件。
In view of joint source-channel coding, a joint coding theorem for ergodic discrete source and discrete memoryless channel is presented.
本文利用图象的几何特征，提出了一种二值图象无失真快速编码算法。
In this paper, a fast noiseless coding technique for binary images is proposed. This technique makes use of the geometric features of images.
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