function?I=expand（Iorimage）
%重構圖像

w?=?[1?4?6?4?1;4?16?24?16?4;6?24?36?24?6;4?16?24?16?4;1?4?6?4?1]./256;
[N?M]?=?size（Iorimage）;
[n?m]?=?size（w）;
R=double（uint16（N*2））;
L=double（uint16（M*2））;
Itemp=uint8（zeros（NM））;
Itemp（1:N1:M）=Iorimage（1:N1:M）;
I2?=?uint8（zeros（R?L））;
%構造新圖像，隔行隔列插0.
for?i?=?1:N
????for?j?=?1:M
????????a?=?2*i;
????????b?=?2*j;
????????I2（a?b）?=?Itemp（i?j）;
????end
end
%濾波前拓展
I3?=?uint8（zeros（R+n-1?L+m-1））;
I3（（n-1）/2+1:R+（n-1）/2?（m-1）/2+1:L+（m-1）/2）?=?I2（1:R?1:L）;

I?=?uint8（zeros（R?L））;
tempM?=?uint8（zeros（n?m））;

for?i?=?1:R
????for?j?=?1:L
????????tempM?=?double（I3（i:i+4?j:j+4））.*w;
????????s?=?sum（sum（tempM.*4））;
????????I（i?j）?=?s;
????end
end
????????
????????
????????
????????

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

?????文件???????2693??2011-05-11?09:28??PyramidFusion\PyramidFusion.m

?????文件???????2693??2011-05-11?09:28??PyramidFusion\PyramidFusion.asv

?????文件????????406??2011-03-09?17:42??PyramidFusion\reduce.m

?????文件????????784??2011-03-10?10:37??PyramidFusion\expand.m

?????文件????????406??2011-03-09?17:40??PyramidFusion\reduce.asv

?????文件????????267??2011-03-09?16:56??PyramidFusion\testconv2.m

?????文件????????239??2011-03-09?16:55??PyramidFusion\testconv2.asv

?????文件????????756??2011-03-10?10:33??PyramidFusion\reduce1.m

?????文件????????738??2011-03-09?21:55??PyramidFusion\reduce1.asv

?????文件????????884??2011-03-10?09:05??PyramidFusion\expand.asv

?????文件?????259250??2011-03-10?09:54??PyramidFusion\PyF.fig

?????文件??????18646??2011-03-10?09:54??PyramidFusion\PyF.jpg

?????文件??????98998??2011-03-10?10:35??PyramidFusion\PyF.bmp

?????文件?????230454??2011-05-11?09:13??PyramidFusion\img12cut.bmp

?????文件??????77878??2011-05-11?09:13??PyramidFusion\img12cut1.bmp

?????文件??????77878??2011-05-11?09:25??PyramidFusion\img12cut_v.bmp

?????目錄??????????0??2011-03-09?09:47??PyramidFusion

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

???????????????772970????????????????????17