简介：

简介：Invideoinformationretrieval,keyframeextractionhasbeenrecognizedasoneoftheimportantresearchissues.Althoughmuchprogresshasbeenmade,theexistingapproachesareeithercomputationallyexpensiveorineffectiveincapturingsalientvisualcontent.Inthispaper,wefirstdiscusstheimportanceofkeyframeextractionandthenbrieflyreviewandevaluatetheexistingapproaches.Toovercometheshortcomingeoftheexistingapproaches,weintroduceanewalgorithmforkeyframeextractionbasedonunsupervisedclustring.Meanwhile,weprovideafeedbackchaintoadjustthegranularityoftheextractionresult.Theproposedalgorithmisbothcomputationallysimpleandabletocapturethevisualcontent.Theefficiencyandeffectivenessarevalidatedbylargeamountofreal-worldvideos.

简介：提到多媒体文件合并工具，你一定知道不少，比如：用豪杰解霸可以合并MPG文件；MovieMaker可以全并ASF或WMV文件；VirtualDub可以用来合并AVI文件……这些工具虽然可以合并多媒体文件，但很多都只能合并单一的文件，如果你需要将这些不同格式的文件合并成一个多媒体文件，该怎么办呢?有了ZealotAllVideoJoiner这将不再是什么难事。