function?J=DrawSegmentedArea2D（PIsize）
%?Draw?the?contour?as?one?closed?line?in?a?logical?image?
%?and?make?the?inside?of?the?contour?true?with?imfill
%
%??J=DrawSegmentedArea2D（PIsize）
%
%?inputs
%??P?:?The?list?with?contour?points?2?x?N
%??Isize?:?The?size?of?the?output?image?[x?y]
%
%?outputs
%??J?:?The?binary?image?with?the?contour?filled
%
%?example:
%???y=[182?233?251?205?169];
%???x=[163?166?207?248?210];
%???P=[x（:）?y（:）];
%
%???J=DrawSegmentedArea（P[400?400]）;
%???figure?imshow（J）;?
%???hold?on;?plot（[P（:2）;P（12）][P（:1）;P（11）]）;
%
%?Function?is?written?by?D.Kroon?University?of?Twente?（July?2010）


J=false（Isize+2）;
%?Loop?through?all?line?coordinates
x=round（[P（:1）;P（11）]）;?x=min（max（x1）Isize（1））;
y=round（[P（:2）;P（12）]）;?y=min（max（y1）Isize（2））;
for?i=1:（length（x）-1）
???%?Calculate?the?pixels?needed?to?construct?a?line?of?1?pixel?thickness
???%?between?two?coordinates.
???xp=[x（i）?x（i+1）];??yp=[y（i）?y（i+1）];?
???dx=abs（xp（2）-xp（1））;?dy=abs（yp（2）-yp（1））;
???if（dx==dy）
?????if（xp（2）>xp（1））?xline=xp（1）:xp（2）;?else?xline=xp（1）:-1:xp（2）;?end
?????if（yp（2）>yp（1））?yline=yp（1）:yp（2）;?else?yline=yp（1）:-1:yp（2）;?end
???elseif（dx>dy）
?????if（xp（2）>xp（1））?xline=xp（1）:xp（2）;?else?xline=xp（1）:-1:xp（2）;?end
?????yline=linspace（yp（1）yp（2）length（xline））;
???else
?????if（yp（2）>yp（1））?yline=yp（1）:yp（2）;?else?yline=yp（1）:-1:yp（2）;?end
?????xline=linspace（xp（1）xp（2）length（yline））;???
???end
???%?Insert?all?pixels?in?the?fill?image
???J（round（xline+1）+（round（yline+1）-1）*size（J1））=1;
end
J=bwfill（J11）;?J=~J（2:end-12:end-1）;

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----

?????文件???????1895??2011-05-01?19:31??imgaussian.m

?????文件????????962??2011-05-09?15:50??InterpolateContourPoints2D.m

?????文件????????486??2011-05-01?17:56??MakeContourClockwise2D.m

?????文件???????8377??2011-05-04?23:26??SeparateKernel.m

?????文件???????5099??2011-05-01?17:15??Snake2D.m

?????文件????????768??2011-05-04?21:29??SnakeInternalForceMatrix2D.m

?????文件???????1110??2011-05-04?21:39??SnakeMoveIteration2D.m

?????文件????????649??2011-06-01?22:21??testGVF.m

?????文件???????2367??2010-07-07?16:27??testimage.png

?????文件???????1328??2010-07-08?16:46??testimage2.png

?????文件???????1613??2010-07-12?14:12??DrawSegmentedArea2D.m

?????文件????????842??2011-05-01?19:07??ExternalForceImage2D.m

?????文件????????567??2011-05-04?22:03??GetContourNormals2D.m

?????文件???????1042??2011-05-04?20:52??GVFOptimizeImageForces2D.m

?????文件????????967??2011-05-01?19:19??ImageDerivatives2D.m

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

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