Now more and more applications tend to have a new character of content - based accessing , searching , and interactively manipulating 而且越來越多的多媒體應(yīng)用呈現(xiàn)出由播放型轉(zhuǎn)向基于內(nèi)容的訪問、檢索和交互操作的趨勢。
7 szummer m , picard r w . indoor - outdoor image classification . ieee int . workshop on content - based access of image and video databases , in conjunction with iccv 98 這是由于本體的方法可以幫助計算機從多種角度分析多媒體語義信息,并賦予圖像更多的更豐富的語義內(nèi)容。
In order that both tcp and udp sessions fairly co - exist in the internet , udp sessions should react properly against congestion as tcp does , and suit the new trends of content - based accessing , searching , and interactively manipulating 為了保證tcp會話和udp會話的友好相處,公平地分享帶寬, udp會話應(yīng)該像tcp一樣能夠?qū)W(wǎng)絡(luò)擁塞有所反應(yīng),而且應(yīng)該針對多媒體應(yīng)用呈現(xiàn)的基于內(nèi)容的訪問、檢索和交互操作的趨勢具有新的特點。
During recent years , more and more multimedia applications have changed from style of playing to style of content - based access or retrieval and interaction . the content of video media is very rich , thus , more and more people prefer this type of media . however , it is highly multiplexing , non - linear and the data volume is huge 視頻作為各種媒體中形式和內(nèi)容最豐富的媒體類型,越來越受到用戶的青睞,然而視頻信息內(nèi)容的豐富性是以視頻數(shù)據(jù)的無結(jié)構(gòu)性和數(shù)據(jù)量巨大為代價的,因此,無法對視頻數(shù)據(jù)直接進行基于內(nèi)容的查詢,并且原始視頻數(shù)據(jù)的直接遞送需要消耗大量的資源。