function?img?=?blurimage?（InputImage?FWHM）

%?blurimage?-?Perform?a?2D?Gaussian?blurring?on?an?image
%
%
%?????img?=?blurimage?（InputImage?FWHM）
%
%
%??This?function?performs?a?2D?Gaussian?blurring?of?an?input?image.??The
%??full-width?half?maximum?（FWHM）?of?the?blurring?kernel?is?specified?in
%??voxel?coordinates?（not?spatial?coordinates）.
%
%??The?input?image?may?be?either?an?EMMA?standard?vector?image?or?else?a?2D
%??matrix?containing?an?image.
%

%?$Id:?blurimage.mv?1.2?1997/10/20?18:23:20?greg?Rel?$
%?$Name:?emma_v0_9_4?$

%??Copyright?1994?Mark?Wolforth?McConnell?Brain?Imaging?Centre?Montreal
%??Neurological?Institute?McGill?University.
%??Permission?to?use?copy?modify?and?distribute?this?software?and?its
%??documentation?for?any?purpose?and?without?fee?is?hereby?granted?provided
%??that?the?above?copyright?notice?appear?in?all?copies.??The?author?and
%??McGill?University?make?no?representations?about?the?suitability?of?this
%??software?for?any?purpose.??It?is?provided?“as?is“?without?express?or
%??implied?warranty.


if?（nargin~=2）
??help?blurimage
??error?（‘Insufficient?number?of?input?arguments.‘）;
end

kern?=?kernel?（FWHM）;

%
%?Reshape?the?image?appropriately
%

[xy]?=?size?（InputImage）;

if?（（x?>?1）?&?（y?>?1））
????xsize?=?x;
else
????xsize=?x^.5;
????if?（xsize?~=?floor?（xsize））
????????error（‘Image?must?be?square.‘）;
????end
????if?（y?~=?1）
????????error（‘Image?must?be?a?vector?if?not?square.‘）;
????end
????InputImage?=?reshape?（InputImage?xsize?xsize）;
end

%
%?Now?perform?the?2D?convolution
%

img?=?conv2?（InputImage?kern?‘same‘）;

%
%?If?the?result?is?square?convert?it?back?to?a?vector?image.
%

[xy]?=?size（img）;

if?（x==y）
??img?=?reshape（imgx*y1）;
end

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件????????5475??1997-10-20?13:23??worldtovoxel.m
?????文件??????356864??1999-08-16?17:36??miwriteimages.exe
?????文件??????272896??1999-08-12?23:44??miwritevar.exe
?????文件??????303163??2001-02-23?06:32??miinquire.dll
?????文件??????303166??2001-02-23?06:58??mireadimages.dll
?????文件??????294971??2001-02-23?06:37??mireadvar.dll
?????文件????????1787??1997-10-20?13:23??blurimage.m
?????文件?????????268??1997-10-20?13:23??calpix.m
?????文件????????2402??1997-10-20?13:23??check_sf.m
?????文件????????1303??1999-08-14?03:36??closeimage.m
?????文件????????3826??1997-10-21?15:37??Contents.m
?????文件?????????888??1997-10-20?13:23??deriv.m
?????文件?????????255??1997-10-20?13:23??emmahelp.m
?????文件????????2985??1997-10-20?13:23??gecolour.m
?????文件????????6332??1997-10-20?13:23??getblooddata.m
?????文件???????11890??1999-08-16?18:08??getimageinfo.m
?????文件????????6799??1999-08-16?18:07??getimages.m
?????文件????????2558??1997-10-20?13:23??getmask.m
?????文件?????????578??1997-10-20?13:23??getpixel.m
?????文件????????2231??1997-10-20?13:23??gettaggedhist.m
?????文件????????3720??1997-10-20?13:23??gettaggedregion.m
?????文件????????1947??1997-10-20?13:23??getvolumehist.m
?????文件????????6703??1997-10-20?13:23??getvoxeltoworld.m
?????文件????????1466??1997-10-20?13:23??hotmetal.m
?????文件?????????644??1997-10-20?13:23??howbig.m
?????文件????????1885??1997-10-20?13:23??kernel.m
?????文件????????5558??1997-10-20?13:23??loadtagfile.m
?????文件????????3496??1997-10-20?13:23??loadxfmfile.m
?????文件????????1089??1997-10-20?13:23??lookup.m
?????文件????????3354??1997-10-20?13:23??maketac.m
?????文件????????4450??1999-08-04?17:45??miinquire.m
............此處省略21個文件信息