function?OutBW?=?Condition1（?BW??debug?）

MaskBW?=?zeros（size（BW）+2）?;
MaskBW（[2:end-1][2:end-1]）?=?BW?;
BW?=?MaskBW?;
BW?=?double（?BW?）?;
OutBW?=?BW?;
[row?col]?=?find（?BW?==?1?）?;


for?i?=?1?:?length（row）
????????indx?=?row（i）?;
????????indy?=?col（i）?;
????????if?debug?==?1
????????????if?indx?==?189?&&?indy?==?28????????????
????????????????close?all?;
????????????????imshow（BW）?;
????????????????hold?on?;
????????????????plot（indyindx‘r*‘）?;
????????????end
????????end
????????Mask?=?[?BW（indx-1indy-1）?BW（indx-1indy）?BW（indx-1indy+1）?;...
?????????????????BW（indxindy-1??）?BW（indxindy）???BW（indxindy+1??）?;...
?????????????????BW（indx+1indy-1）?BW（indx+1indy）?BW（indx+1indy+1）?];
%%?Condition?1????????
?????????????if?Mask（23）?==?0?&&?（?Mask（13）?==?1?||?Mask（12）?==?1）
?????????????????b1?=?1;
?????????????else
?????????????????b1?=?0;
?????????????end
?????????????if?Mask（12）?==?0?&&?（?Mask（11）?==?1?||?Mask（21）?==?1）
?????????????????b2?=?1;
?????????????else
?????????????????b2?=?0;
?????????????end
?????????????if?Mask（21）?==?0?&&?（?Mask（31）?==?1?||?Mask（32）?==?1）
?????????????????b3?=?1;
?????????????else
?????????????????b3?=?0;
?????????????end
?????????????if?Mask（32）?==?0?&&?（?Mask（33）?==?1?||?Mask（23）?==?1）
?????????????????b4?=?1;
?????????????else
?????????????????b4?=?0;
?????????????end
?????????????b?=?b1?+?b2?+?b3?+?b4?;?
?????????
%%?Condition?2
????????????Mask?=?logical（Mask）?;
????????????N1?=?double（?Mask（23）?|?Mask（13）?）?+?double（?Mask（12）?|?Mask（11）?）?+?double（?Mask（21）?|?Mask（31）?）?+?double（?Mask（32）?|?Mask（33）?）;
????????????N2?=?double（?Mask（13）?|?Mask（12）?）?+?double（?Mask（11）?|?Mask（21）?）?+?double（?Mask（31）?|?Mask（32）?）?+?double（?Mask（33）?|?Mask（23）?）?;
????????????NCondition2?=?min（N1N2）?;
????????????
????????????
%%?Condition?3
????????????Mask?=?logical（Mask）?;
????????????Mask（33）?=?~Mask（33）?;
????????????
????????????NCondition3?=?（?Mask（13）?|?Mask（12）?|?Mask（33）?）?&?Mask（23）?;
????????????
%%?Judgement
?????????????if?NCondition3?==?0?&&?NCondition2>=2?&&?NCondition2<=3?&&?b?==?1
?????????????????OutBW（indxindy）?=?0?;
?????????????end????????????
end
OutBW?=?OutBW（[2:end-1][2:end-1]）?;

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2010-04-20?04:11??Thinning?In?Matlab\
?????目錄???????????0??2010-04-20?04:11??Thinning?In?Matlab\Thinning?In?Matlab\
?????文件????????7082??2010-04-17?22:28??Thinning?In?Matlab\Thinning?In?Matlab\bw.bmp
?????文件????????7082??2010-04-17?17:59??Thinning?In?Matlab\Thinning?In?Matlab\bw2.bmp
?????文件????????7082??2010-04-18?16:54??Thinning?In?Matlab\Thinning?In?Matlab\bw4.bmp
?????文件????????2271??2010-04-19?14:38??Thinning?In?Matlab\Thinning?In?Matlab\Condition1.m
?????文件????????2212??2010-04-19?14:38??Thinning?In?Matlab\Thinning?In?Matlab\Condition2.m
?????文件?????????646??2010-04-19?14:37??Thinning?In?Matlab\Thinning?In?Matlab\Testthin.m
?????文件????????7680??2010-04-19?21:35??Thinning?In?Matlab\Thinning?In?Matlab\Thumbs.db
?????文件????????1537??2010-04-19?16:26??license.txt