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- KLT is used to remove the correlation of spectral redundancy as one-dimensional (1D) linear transform, and SFCVQ coding is applied to enhance compression ratio. KL变换作为一维线性变换被用于消除一维(1D)谱冗余,且SFCVQ编码被应用于提高压缩比。
- 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。
- Firstly,a photogrammetric model named direct linear transform (for short DLT),which relate the world coordinate with image coordinate ,is presented. 本文还论述了图象处理技术,包括中值滤波、边缘检测、哈夫变换、连通域标记等,应用这些技术,可以得到像点的图象坐标。
- 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.
- The concept is introduced of the annihilating polynomial and minimal polynomial of vector with linear transform, their property discussed. 介绍了线性变换作用向量的化零多项式与最小多项式的概念,并讨论了它们的性质。
- 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。
- The results show that 1) the linear transform colospaces have better performance than others, and 2) the absence of the luminance component decreases performance significantly. 结果表明:线性颜色空间是最优的肤色空间类,去除亮度信息将降低肤色-非肤色的类可分离性,并导致分类性能的退化。
- 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 normal variable has two important natures: One is the invariance of the linear transform;the other is the equivalence between the non-relevance and the independent. 摘要正态变量有两个重要性质,第一是线性变换不变性,第二是不相关性和独立性之间的等价性。
- 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。
- Zhang Muxiang,Xiao Guozhen.Structure of invertible linear transform with convolution property in finite field[J].Acta Electronica Sinica,1994,22(4):20-23. [2]张木想;肖国镇.;有限域上具有卷积性质的可逆线性变换的结构[J]
- 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。
- 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。
- 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。
- A linear transformation on Milbert space is called compact(also completely continuous). 希尔伯特空间上的线性变换叫做紧的(也叫全连续的)。
- The DLT (Direct Linear Transformation) algorithm is widely used in 3-D reconstruction of planar images. DLT算法是利用平面图象进行三维重构的广泛采用的基本算法。
- Linear transformation is the key of complex function, and also is a fundamental and significant Conformal mapping. 线性变换是复变函数中的一个重要内容,是一种基本又十分重要的保形变换。
- The method used to calibrate the camera is the Direct Linear Transform (DLT) in photogrammertry.Meanwhile, many image processing technologies are adopted, such as the filtering, denoising and so on. 本文采用了摄影测量学的直接线性转换法(DLT)来标定摄像机,并利用了数字图像处理技术中的均衡、滤波等技术对图像进行处理。
- Waveform Transformation Coding(WTC)speech analysis-synthesissystem adapted to a microcomputer is developed. 本文介绍一个适用于微型计算机的波型变换编码语音分析和合成开发系统。
- The specular reflection is a very important linear transformation in Euclidean space, and it has a special geometrical explanation in geometrical space. 摘要镜面反射是欧氏空间中一类很重要的线性变换,在几何空间中有着极其形象的解释。