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- orthogonal transform coding 正交变换编码
- This papar surveys an algorithm based on orthogonal transform. 本文提出利用正交变换的方法估计电网的复功率和相位差。
- The DCT was used as the main method of image transform coding for a long time. 图像压缩编码长期以来利用离散余弦变换(DCT)作为变换编码的主要技术。
- Classical image source code, images of the orthogonal transformation, Fourier, discrete cosine transform, such as complete source code can be used directly. (译):古典形象的源代码,图像的正交变换,傅立叶,离散余弦变换,如完整的源代码可以直接使用。
- In this paper, based on expanded-dimension parallelism of some orthogonal transform algorithms, a parallel DFT algorithm is concluded. 摘要提出某些正交变换算法具有扩维并行性,并由此归纳出扩维并行DFT算法。
- DCT/IDCT/Hadamard transform coding has been widely used in video coding standards. DCT/IDCT/Hadamard变换被广泛应用于多种视频编码标准中;而H.
- Among these DCT coding, as a kind of Block Transform Coding, is the most used and mature one. 其中块变换编码中的DCT变换编码是比较常用和发展比较成熟的方法。
- This set of orthogonal transforms start with walsh-Hadamard transform and end with discrete Hartley transform. 这类正交变换以 Walsh-Hadamard 变换开始,到 Hartley 变换结束。
- Adaptive Interframe Transform Coding A class of compression algorithms commonly used in video codecs to reduce the data transmission rate. 自适应帧间变换编码一种压缩运算法则等级,通常用于视频编译码器,以降低数据传输速率。
- The H.263 protocol integrates the prediction coding DCT transform coding and entropy coding to realize the compression for video data. 该协议将预测编码、DCT变换编码和熵编码相结合实现对视频数据的压缩,并规定了编码器的总体结构和数据格式。
- The wavelet image coding achieves higher image quality and higher compression ratio than the traditional DCT transform coding. 小波变换图像编码获得了比传统 DCT变换编码更好的图像质量和更高的压缩比。
- A simple method of solving an orthogonal transformation with a primary transformation is presented by change quadric form into canonical form. 给出了利用初等变换求一个正交变换化实二次型为标准形的简便方法。
- This paper introduces statistics, forecast, transform coding method in lossless compression,for each method gives a typical example. 介绍雷达无损压缩中的统计、预测、变换编码方法,对每种方法均给出较为典型的实例。
- The Karhunen-Loeve transform(KLT) is a kind of important orthogonal transformation,it has been widely applied in many respects particularly image recognition. 数据压缩已经成为信息时代必不可少的一项技术。
- Then analyses the main technologies in H.264 and AVS, including quantization and transform coding, motion estimation and compensation, and entropy coding. 264和AVS标准进行了详细的剖析。
- In this paper, we discuss some properties of orthogonal transformation of Euclidea spce Rsn and geometry background of generalized orthogoral matrix. 本文探讨了R_s~n上的正交变换与广义正炙矩阵的关系,给出了广义正交矩阵的几何背景及一些基本性质。
- In field Euclidean geometry, the problem of expressing orthogonal transformation as symmetrical product is one of the basic problems in geometry. 域上欧氏几何中 ,把正交变换表为对称之积的问题 ,是几何学中基本问题之一。
- A new linear transformation is presented. It is defferent to the transformation by R. H. Park and diff erent also to the orthogonal transformation by P. M. Anderson. 本文提出一种新的线性变换,它不同于R·H·Park所用的变换,也不同于P·M·Anderson所用的正交变换,这种变换暂称为混合变换。
- Abstract: A simple method of solving an orthogonal transformation with a primary transformation is presented by change quadric form into canonical form. 文摘:给出了利用初等变换求一个正交变换化实二次型为标准形的简便方法。
- Through an orthogonal transformation of coordinates systems, the eigen-equations of the LWL optical vibrations in single-walled BN nanotubes are obtained. 并通过坐标系的正交变换,得到了单壁硼氮纳米管中长波光学振动的本征方程。