Recently , discrete wavelet transform ( dwt ) based compression method is prevalence , which gets lower bit rate and better image quality 目前,基于小波变换的压缩方法被广泛的应用于图像和视频压缩中。
Wavelet analyses have a variety of advantages , so there are a lot of image compression methods based on wavelet transform 针对图像中存在的相关冗余信息,采用某种方法,去除冗余成分,即可实现图像的压缩。
Wavelet analysis have a variety of advantages , so there are a lot of image compression methods based on wavelet transform 图像压缩编码的根本目的,是在给定比特率( bitrate )下,力求使图像失真( distortion )达到最小。
To improve the efficiency of ray - space data compression , a data compression method based on rectilinear direction search was proposed 摘要为了提高光线空间数据的压缩效率,提出了一种基于直线方向搜索的数据压缩方法。
In this thesis , we discuss the compression method of chinese font and put forward a method based on stroke extraction 本文在对汉字字形的结构式压缩进行了讨论的基础上提出了一种基于笔划抽取的汉字字形结构式压缩方法。
Wavelet image coding has become a prospective image compression method with the fast development of wavelet analysis in recent years 小波图像编码是近年来随着小波分析理论的发展而提出的一种具有很好发展前景的图像编码方法。
We have done some research and exploration on the feasibility and implementation of the compression method and prognosticated its capacity as well 本文对这个方法的可行性和实现方法作了一定的研究与探索,对其压缩效果进行了预测分析。
Chapter two introduces some important coding standards of video , especially analyzes the video format and compression method of mpeg - 1 第二章总结分析了常用视频编码,研究了目前广泛采用的mpeg - 1的视频压缩编码的格式以及采用的具体压缩方法。
A new embedded zerotree wavelet based data compression method was proposed and applied to power system malfunction data compression 摘要在小波包变换的基础上提出了一种新的基于嵌入式零树编码的数据压缩方法,并将其应用于电力系统故障数据压缩中。
When you use microsoft internet explorer to download or to open data that is compressed with the gzip compression method , you may receive an error message 当您使用microsoft internet explorer下载或打开以gzip压缩模式压缩的数据时,您可能会收到一个错误信息。