資源簡介
掌紋識別的源代碼,有一些需要改動,但可使用
代碼片段和文件信息
function?f?=?adpmedian(g?Smax)
%ADPMEDIAN?Perform?adaptive?median?filtering.
%???F?=?ADPMEDIAN(G?SMAX)?performs?adaptive?median?filtering?of
%???image?G.??The?median?filter?starts?at?size?3-by-3?and?iterates?up
%???to?size?SMAX-by-SMAX.?SMAX?must?be?an?odd?integer?greater?than?1.
%???Copyright?2002-2004?R.?C.?Gonzalez?R.?E.?Woods?&?S.?L.?Eddins
%???Digital?Image?Processing?Using?MATLAB?Prentice-Hall?2004
%???$Revision:?1.5?$??$Date:?2003/11/21?14:19:05?$
%?SMAX?must?be?an?odd?positive?integer?greater?than?1.
if?(Smax?<=?1)?|?(Smax/2?==?round(Smax/2))?|?(Smax?~=?round(Smax))
???error(‘SMAX?must?be?an?odd?integer?>?1.‘)
end
[M?N]?=?size(g);
%?Initial?setup.
f?=?g;
f(:)?=?0;
alreadyProcessed?=?false(size(g));
%?Begin?filtering.
for?k?=?3:2:Smax
???zmin?=?ordfilt2(g?1?ones(k?k)?‘symmetric‘);
???zmax?=?ordfilt2(g?k?*?k?ones(k?k)?‘symmetric‘);
???zmed?=?medfilt2(g?[k?k]?‘symmetric‘);
???
???processUsingLevelB?=?(zmed?>?zmin)?&?(zmax?>?zmed)?&?...
???????~alreadyProcessed;?
???zB?=?(g?>?zmin)?&?(zmax?>?g);
???outputZxy??=?processUsingLevelB?&?zB;
???outputZmed?=?processUsingLevelB?&?~zB;
???f(outputZxy)?=?g(outputZxy);
???f(outputZmed)?=?zmed(outputZmed);
???
???alreadyProcessed?=?alreadyProcessed?|?processUsingLevelB;
???if?all(alreadyProcessed(:))
??????break;
???end
end
%?Output?zmed?for?any?remaining?unprocessed?pixels.?Note?that?this
%?zmed?was?computed?using?a?window?of?size?Smax-by-Smax?which?is
%?the?final?value?of?k?in?the?loop.
f(~alreadyProcessed)?=?zmed(~alreadyProcessed);
?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件???????1419??2010-05-06?09:36??palm_1.m
?????文件???????1351??2010-04-21?21:41??spfilt.m
?????文件??????20349??2006-11-08?15:47??phasesym.m
?????文件???????1572??2010-05-03?20:17??adpmedian.m
?????文件?????250368??2010-05-28?23:50??DIP_homework2.doc
?????文件????????209??2010-04-21?21:41??gmean.m
?????文件??????12753??2010-05-03?10:51??Hand.jpg
?????文件???????1535??2010-05-04?16:28??hand_1.m
?????文件???????1578??2010-05-03?10:50??palm.jpg
-----------?---------??----------?-----??----
???????????????291134????????????????????9
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