%?CIRCULARSTRUCT
%
%?Function?to?construct?a?circular?structuring?element
%?for?morphological?operations.
%
%?function?strel?=?circularstruct（radius）
%
%?Note?radius?can?be?a?floating?point?value?though?the?resulting
%?circle?will?be?a?discrete?approximation
%
%?Peter?Kovesi???March?2000

function?strel?=?circularstruct（radius）

if?radius???error（‘radius?must?be?>=?1‘）;
end

dia?=?ceil（2*radius）;??%?Diameter?of?structuring?element

if?mod（dia2）?==?0?????%?If?diameter?is?a?odd?value
?dia?=?dia?+?1;????????%?add?1?to?generate?a?‘centre?pixel‘
end

r?=?fix（dia/2）;
[xy]?=?meshgrid（-r:r）;
rad?=?sqrt（x.^2?+?y.^2）;??
strel?=?rad?<=?radius;

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

?????文件????????675??2016-01-27?10:20??slic\circularstruct.m

?????文件???????5656??2016-01-27?10:18??slic\cleanupregions.m

?????文件???????5381??2016-01-27?10:20??slic\dbscan.m

?????文件???????2372??2016-01-27?10:19??slic\drawregionboundaries.m

?????文件???????2644??2016-01-27?10:18??slic\finddisconnected.m

?????文件???????2197??2016-01-27?10:18??slic\makeregionsdistinct.m

?????文件???????1165??2016-01-27?10:19??slic\maskimage.m

?????文件???????4451??2016-01-27?10:16??slic\mcleanupregions.m

?????文件???????4638??2016-01-27?10:19??slic\regionadjacency.m

?????文件???????2412??2016-01-27?10:19??slic\renumberregions.m

?????文件???????1096??2016-01-27?10:15??slic\rgb2lab.m

?????文件??????15175??2016-01-27?10:04??slic\slic.m

?????文件???????7324??2016-01-27?10:17??slic\spdbscan.m

?????文件???????1564??2016-01-27?10:16??slic\test.m

?????文件???????2326??2016-01-27?10:20??slic\testdbscan.m

?????目錄??????????0??2016-01-27?14:50??slic

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

????????????????59076????????????????????16