This article proposes technology of error resilience by using reversible variable length coding for combined COD/MCBPC information and motion vector difference data in data partitioning structure.
文章将可逆变长编码差错复原技术应用在数字视频传输中，采用可逆变长编码，对应用了数据分割技术的压缩视频传输码流中的宏块头信息和运动矢量等重要信息进行编码，从而提高视频流的抗差错能力和解码端的差错复原能力。
Wavelet transforms that map integer to integer (Integer Wavelet Transform) are completely reversible even under finite precision condition, therefore, they become the common-core of lossless and lossy image coding.
在有限精度条件下，将整数映射到整数的小波变换（整数小波变换）可以实现完全可逆，因此成为无损与有损通用的图像编码算法的变换核心。
The reversible integer DCT is introduced into the image coding-decoding in order to implement the several generations of coding-decoding without quality degradation due to the perfect reversibility of vector matrix and the idempotent property of the quantization.
利用向量矩阵的完全可逆性和量化过程的幂等特性，在编解码过程中引入可逆整数DCT实现了图像的多次无降质编解码。
In this paper, based on the concept of adaption, the Cost-Evaluating Symmetrical Reversible Variable Length Codes (C-E SRVLCs), which can be used for Joint Source Channel Coding (JSCC), are constructed through a user-defined cost function.
应用自适应的思想，由一个自定义的代价函数构造出一种适合于实现联合编译码的变长码&代价测评对称可逆变长码。
Second, the advantages and disadvantages of the image coding based on traditional wavelet transform are discussed. The method of constructing reversible IWT using lifting scheme is presented. So an image coding method using IWT in place of traditional wavelet transform is put forward.
具体介绍了静态图像编码的概况，以及基于传统小波变换的图像编码方法及其缺点，讨论了用提升方法构造可逆整数小波变换的方法，提出用整数小波变换代替传统小波变换，进行图像编码。