function?energy?=?edgeenergy（fd）
E?=?0;
f?=?im2double（fd）;
[heightwidth]?=?size（f）;
syms?i?j;
filter1?=?[1/6?-1/6?-1/6;
??????????-1/6??4/6?-1/6;
??????????-1/6?-1/6??1/6];
filter2?=?[-1/6?-1/6??1/6;
???????????-1/6??4/6?-1/6;
????????????1/6?-1/6?-1/6];
????????
?extract1?=?conv2（ffilter1‘same‘）;
?extract2?=?conv2（ffilter2‘same‘）;
?
?edge?=?extract1?+?extract2;
?edge?=?edge.*edge;
?E?=?sum（sum（edge））;
?
?energy?=?E/1000;

end



?
?

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件????????468??2013-01-18?15:55??imagequality\edgeenergy.m

?????文件????????845??2012-12-28?23:19??imagequality\GMG.m

?????文件????????358??2013-01-18?15:55??imagequality\GMG2.m

?????文件????????507??2013-01-18?15:55??imagequality\PSD.m

?????文件????????345??2013-01-18?15:55??imagequality\variance.m

?????目錄??????????0??2014-04-13?15:41??imagequality

-----------?---------??----------?-----??----

?????????????????2523????????????????????6