查询词典 quantization

Based on the analysis of the principles of JPEG,by improving the quantization module and the coding module of JPEG,a simple compression algorithm based on discrete Cosine Transform is proposed.

在深入分析JPEG压缩原理的基础上，通过改进JPEG算法的量化与编码模块，提出了一种基于离散余弦变换的简单压缩算法。

Vector Quantization is an efficient lossy compression technique, whose prominent virtues are high compression ratio and simple decoding process, so it has become one of important compression techniques for image coding.

矢量量化是一种有效的有损压缩技术，其突出优点是压缩比大且解码算法简单，因此已成为图象压缩编码的重要技术之一。

To improve the transmission efficiency and reduce the storage requirement, efficient encoding algorithms should be used to remove the residual information in images, and fewer bits should be used to describe images on restrictions of given distortion. Vector quantization is an efficient lossy compression technique, whose prominent virtues are high compression ratio and simple decoding process, so it has become one of important compression techniques for image coding.

为了提高传输效率和减少存储空间，必须采取有效的压缩编码算法消除图像中所包含的各种冗余信息并在给定的失真条件下使用尽量少的比特数来描述图像。

After the coefficients are quantized by a four-dimensional quantization matrix, most of them equal 0, and thus many zero planes appear in the submatrix.

用四维量化矩阵对变换后的四维子矩阵系数进行量化，量化后四维子矩阵中的变换系数大部分变成了零，这样就会在子矩阵中出现大量的零平面。

As an important component among information acquisition methods, the requirement for high quality auto-summarization system also becomes more urgency. To fulfill this requirement, an adapted Dotplot methods based on word sense quantization model is firstly provided to address the problem of subtopic segmentation. Then a multi-knowledge-sources-integrating model is constructed, which combines the results of rhetorical structure analyse, text content structure analyse and subtopic segmentation together and provides clues for abstract sentences extracting.

第四，互联网的普及增加了人们对信息获取速度、准确率的要求，也推动了人们对自动文摘系统的需求，为了进一步改进现有文摘技术，本文首先研究了基于语义量化模型的改进Dotplot隐式章节划分算法，然后通过加权有向图来构造了一个多知识源融合模型，模型能够融合文本修辞结构分析、内容层次结构分析以及隐式章节划分等多种知识源的分析结果，并以此为基础建立文摘语句的抽取算法。

In order to overcome blurring effects of linear filters, partition-based weighted sum filter utilizes vector quantization method to partition the observation space, and filters each partition separately.

为了克服线性滤波会模糊边缘的缺点，采用基于分割的加权和滤波器利用向量量化方法来分割图象，并对各分区进行不同的滤波操作。

The macroscopic quantization of circulating current is an attractive property of superfluid s.

环流的宏观量子化是超流体最引人瞩目的性质之一。

Based on communication tableaux extraction suffer real time,veracity and other critical technology indices,exploitation quantization evaluation system on 'verity view' is used.

1概述视频检测技术以其独特的宽视角、低成本、智能化等优势，成为智能交通系统的研究热点。

The two—dimensional quantization is the most important part of JPEG algorithm.

二维量化器是JPEG算法中的重要组成部分。

Neural network ; Competitive learning ; Vector quantization ; Neuron underutilization ; Algorithm

神经网络；竞争学习；矢量量化；神经元欠利用；算法

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。