图像的压缩包括变换、量化和编码。
The image compression includes transform of image, quantization and encoding.
话音信号是一个模拟信号，通过采样、量化和编码，我们可以实现话音信号的数字传输。
The speech signal is a analog one, and we can perform its digital transmission by sampling, quantizing and coding.
在此基础上设计了蓝牙语音编码实验，涵盖了脉冲编码调制的抽样、量化和编码整个过程。
Based on them, a speech encoding experiment used by bluetooth is designed, and it covers the total process of PCM from sampling, quantization and encoding.
通过使用查表、概率量化和修改的重正化操作的方法，给出了一个简单的无乘法的二值分组算术编码方案。
By using the methods of table lookups, probability quantization and modified renormalization operations, a simple multiplication-free binary block arithmetic coding scheme is given.
文章根据低码率图像编码的特点，对H。263测试模型(TMN5)的仿真程序tmn- 2.0中的量化级和码率控制策略的不足之处进行了合理的改进。
Based on the features of low coding rate video encoding, we improved the control strategy of quantization step and coding rate in the simulation program TMN - 2. 0 of H. 263 test model (TMN5).
矢量量化(VQ)是语音识别中广泛应用的一种数据压缩和编码方法。
Vector Quantization (VQ) is one of popular data compression and data coding methods for speech recognition at present.
本文首先对心理声学模型、滤波器组、量化和比特分配、预测编码、时域噪声成型等技术进行研究。
In this dissertation, psychoacoustic models filter Banks quantization and bit allocation predicate coding and temporary noise shaping is analyzed.
变换系数采用非均匀标量量化和熵编码。
DCT coefficients were quantized through nonlinear scalar quantization and entropy coding.
该文根据离散余弦变换(DCT)和量化运算的特点，提出了一种新的用于低比特率视频编码的全零块预先判别方法。
A new method for predetermination of all-zero blocks in low rate video coding is proposed, which is based on characters of discrete cosine transform (DCT) and quantization.
该方法是以分块截断编码技术和矢量量化技术为基础的编码方法。
This method is based on the techniques of block truncation coding and vector quantization.
图像压缩是数字图像处理中最重要的关键技术之一，传统的图像压缩方法有预测编码、变换编码和矢量量化等。
Image compression is one of the most important key techniques in image processing. Traditional compression methods include prediction coding, transform coding and vector quantization (VQ).
差错控制可以在信源编码和信道编码的各个环节进行，如：预测、变换、量化、可变长编码、比特流结构、复用以及解码等。
Error control can be done in any step such as prediction, transform, quantization, VLC, bitstream syntax structure, channel coding, decoding and etc.
由于该方法把分形和矢量量化编码结合起来，因此解码时只需查找码书，并仅进行对比度变换。
This method connects fractal and vector quantization coding together, during the process of decoding, the only need to check the codebook and to transform the contrast.
在矢量量化和小波变换的结合方面，提出了一种基于视觉特性的小波变换跨带矢量量化压缩编码方案，并通过实验验证了算法的性能；
Based on the former two theories, we propose a wavelet transform cross-band vector quantization based on human vision, and we verify the correction with experimentation.
该方案基于小波变换的场内图像压缩技术，采用小波变换、子带编码、自适应量化和熵编码来对图像数据进行压缩；
The project is based on wavelet transform image compression, and implements wavelet transform, subband coding, The quantization and entropy encoding processes provide data compression;
码书大小和矢量维数越大，穷尽搜索矢量量化编码的计算复杂度就越高。
The larger the codebook size or the vector dimension is, the higher the computational complexity of the full-search VQ is.
对经典DCT变换和整数DCT变换进行研究，并把它们和有限状态矢量量化编码算法相结合，提高了对图像的压缩性能。
Combined with FSVQ algorithm, the traditional DCT transform and integer DCT transform are used to improve the performance of image compression.
本文对一维DCT变换压缩编码中变换域系数二次量化引起的图象损伤进行了频域和空间域分析，得出了一些有用的结论。
The image damage by transform coefficients quantization in ID-DCT transform compression coding is analysed on frequency domain and space domain. Some useful results are obtained.
通过对矢量量化快速码字搜索算法的VLSI结构的研究，为进一步设计更为详细和复杂的图象编码系统提供基础。
Through the research of VLSI architecture of fast codewords search algorithms, we can provide a foundation for the implementation of detailed and sophisticated image coding schemes in the future.
根据MPEG - 4AAC编码标准及对算法的基本原理的分析研究，算法优化的关键点在于心理声学模型、滤波器组和量化等模块。
We research on MPEG-4 AAC encoding standards and the algorithm principium. The key point is optimizing the psychoacoustic model module, filter Banks module and quantizer module.
根据MPEG - 4AAC编码标准及对算法的基本原理的分析研究，算法优化的关键点在于心理声学模型、滤波器组和量化等模块。
We research on MPEG-4 AAC encoding standards and the algorithm principium. The key point is optimizing the psychoacoustic model module, filter Banks module and quantizer module.
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