Recently , discrete wavelet transform ( dwt ) based compression method is prevalence , which gets lower bit rate and better image quality 目前,基于小波變換的壓縮方法被廣泛的應(yīng)用于圖像和視頻壓縮中。
Wavelet analyses have a variety of advantages , so there are a lot of image compression methods based on wavelet transform 針對(duì)圖像中存在的相關(guān)冗余信息,采用某種方法,去除冗余成分,即可實(shí)現(xiàn)圖像的壓縮。
Wavelet analysis have a variety of advantages , so there are a lot of image compression methods based on wavelet transform 圖像壓縮編碼的根本目的,是在給定比特率( bitrate )下,力求使圖像失真( distortion )達(dá)到最小。
To improve the efficiency of ray - space data compression , a data compression method based on rectilinear direction search was proposed 摘要為了提高光線空間數(shù)據(jù)的壓縮效率,提出了一種基于直線方向搜索的數(shù)據(jù)壓縮方法。
In this thesis , we discuss the compression method of chinese font and put forward a method based on stroke extraction 本文在對(duì)漢字字形的結(jié)構(gòu)式壓縮進(jìn)行了討論的基礎(chǔ)上提出了一種基于筆劃抽取的漢字字形結(jié)構(gòu)式壓縮方法。
Wavelet image coding has become a prospective image compression method with the fast development of wavelet analysis in recent years 小波圖像編碼是近年來(lái)隨著小波分析理論的發(fā)展而提出的一種具有很好發(fā)展前景的圖像編碼方法。
We have done some research and exploration on the feasibility and implementation of the compression method and prognosticated its capacity as well 本文對(duì)這個(gè)方法的可行性和實(shí)現(xiàn)方法作了一定的研究與探索,對(duì)其壓縮效果進(jìn)行了預(yù)測(cè)分析。
Chapter two introduces some important coding standards of video , especially analyzes the video format and compression method of mpeg - 1 第二章總結(jié)分析了常用視頻編碼,研究了目前廣泛采用的mpeg - 1的視頻壓縮編碼的格式以及采用的具體壓縮方法。
A new embedded zerotree wavelet based data compression method was proposed and applied to power system malfunction data compression 摘要在小波包變換的基礎(chǔ)上提出了一種新的基于嵌入式零樹(shù)編碼的數(shù)據(jù)壓縮方法,并將其應(yīng)用于電力系統(tǒng)故障數(shù)據(jù)壓縮中。
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 當(dāng)您使用microsoft internet explorer下載或打開(kāi)以gzip壓縮模式壓縮的數(shù)據(jù)時(shí),您可能會(huì)收到一個(gè)錯(cuò)誤信息。