資源簡介
用matlab編的關(guān)鍵幀提取的代碼,參考了光流法的代碼。是基于幀差的歐式距離,均值,方差,差異系數(shù)下的關(guān)鍵幀提取。代碼調(diào)試通過,運行結(jié)果理想

代碼片段和文件信息
function?e=EulerDistance(Movn)?%求幀間歐氏距離
Xn=rgb2gray(Mov(1n).cdata);
Xn=double(Xn);
Xnp1=rgb2gray(Mov(1n+1).cdata);
Xnp1=double(Xnp1);
%Xnq1=rgb2gray(Mov(1n+2).cdata);
%Xnq1=double(Xnq1);
%f=((std(Xnp1(:)-Xn(:))+std(Xnq1(:)-Xnp1(:)))/2+((mean(Xnp1(:)-Xn(:))-mean(Xnq1(:)-Xnp1(:)))/2)^2)^2;
diff?=?Xnp1(:)-Xn(:);?
e?=?sqrt(?sum(?diff(:).*diff(:)?)?);?
?屬性????????????大小?????日期????時間???名稱
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?????文件????????463??2009-05-22?11:35??Keyfr
?????文件????????167??2009-05-27?19:48??Keyfr
?????文件????????165??2009-05-27?19:49??Keyfr
?????文件???????2581??2009-06-01?22:15??Keyfr
?????文件???????2478??2009-05-27?21:24??Keyfr
?????文件????1513472??2004-01-26?18:44??Keyfr
?????文件????????304??2009-05-27?19:51??Keyfr
?????文件????2017280??2004-01-23?14:00??Keyfr
?????文件????????371??2009-05-28?21:01??Keyfr
?????文件????????281??2009-05-28?21:01??Keyfr
?????文件????????380??2009-05-27?20:49??Keyfr
?????文件?????????57??2009-06-01?22:11??Keyfr
?????目錄??????????0??2009-05-27?21:29??Keyfr
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??????????????3537999????????????????????13
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