%生成n*n的高斯低通濾波器掩模n為奇數
function?h=gaussian（sigman）
w=zeros（nn）;
m=（n+1）/2;
x1=0:100;
x2=0:100;
[st]=size（x1）;
sum=0;
for?i=1:t
????for?j=1:t
????????f（ij）=exp（-（[x1（i）?x2（j）]*[x1（i）;x2（j）]）/（2*（sigma）^2））;
????end
end

for?i=1:m
????for?j=1:m
????????w（ij）=f（m-i+1m-j+1）;
????end?
end
for?i=1:m
????for?j=m+1:n
????????w（ij）=w（i2*m-j）;
????end
end
for?i=m+1:n
????for?j=1:m
????????w（ij）=w（2*m-ij）;
????end
end
for?i=m+1:n
????for?j=m+1:n
????????w（ij）=w（2*m-i2*m-j）;
????end
end

for?i=1:n
????for?j=1:n
????????sum=sum+w（ij）
????end
end
h=w./sum
????????

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

?????文件????????554??2011-03-31?16:02??medfilt.m

?????文件????????636??2011-03-31?15:58??gaussian1.m

?????文件????????624??2011-04-11?18:41??gaussian.m

?????文件????????887??2011-04-09?23:50??laplacian.m

?????文件???????1291??2011-04-09?23:53??UnsharpSoble.m

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

?????????????????3992????????????????????5