function?output?=?bradley（image?varargin）
%?Initialization
numvarargs?=?length（varargin）;??????%?only?want?3?optional?inputs?at?most
if?numvarargs?>?3
????error（‘myfuns:somefun2Alt:TooManyInputs‘?...
?????‘Possible?parameters?are:?（image?[m?n]?T?padding）‘）;
end
?
optargs?=?{[15?15]?10?‘replicate‘};?%?set?defaults?replicate?circular?symmetric
?
optargs（1:numvarargs）?=?varargin;???%?use?memorable?variable?names
[window?T?padding]?=?optargs{:};


%?Convert?to?double
if?~isa（image?‘dobule‘）?image?=?double（image）;?end

%?Local?mean
%?mean?=?averagefilter（image?window?padding）;
mean?=?imfilter（image?fspecial（‘average‘?window）?padding）;

%?Initialize?the?output?to?white?color
output?=?true（size（image））;

%?Set?a?pixel?to?black?if?the?image?brightness?
%?is?below?（100-T）%?of?the?average?neighbourhood?brightness
output（image?<=?mean*（1-T/100））?=?0;

end

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2018-06-26?01:05??象棋識別\
?????文件??????488901??2017-09-17?21:36??象棋識別\Improved?Chinese?chessboard?recognition?method.pdf
?????文件?????????567??2017-09-25?10:47??象棋識別\LocalEnhancement.m
?????文件?????????752??2017-09-25?10:49??象棋識別\LocalStatistics.m
?????文件????????5272??2017-09-17?12:58??象棋識別\RGB_Extractor.fig
?????文件???????10616??2017-09-17?12:58??象棋識別\RGB_Extractor.m
?????文件?????????900??2017-08-23?13:18??象棋識別\bradley.m
?????文件????????1812??2017-10-09?18:55??象棋識別\buildchessBoard.m
?????文件??????482129??2017-08-23?13:37??象棋識別\chess1.png
?????文件??????635657??2017-09-17?09:51??象棋識別\chess10.png
?????文件??????538036??2017-09-17?11:10??象棋識別\chess11.png
?????文件??????315653??2017-09-18?11:01??象棋識別\chess12.png
?????文件??????467512??2017-09-20?21:01??象棋識別\chess13.png
?????文件??????414810??2017-09-20?21:04??象棋識別\chess14.png
?????文件??????335484??2017-09-20?21:05??象棋識別\chess15.png
?????文件??????428915??2017-09-20?21:09??象棋識別\chess16.png
?????文件??????511059??2017-09-23?17:03??象棋識別\chess17.png
?????文件??????404067??2017-09-25?08:40??象棋識別\chess18.png
?????文件??????403423??2017-09-25?08:42??象棋識別\chess19.png
?????文件?????1589755??2017-09-26?11:38??象棋識別\chess2.png
?????文件??????390724??2017-09-25?08:43??象棋識別\chess20.png
?????文件??????381223??2017-09-25?14:52??象棋識別\chess21.png
?????文件??????309556??2017-09-25?14:55??象棋識別\chess22.png
?????文件??????279495??2017-09-25?14:58??象棋識別\chess23.png
?????文件??????300355??2017-09-25?15:00??象棋識別\chess24.png
?????文件??????607268??2017-09-26?00:27??象棋識別\chess25.png
?????文件??????480314??2017-09-26?00:41??象棋識別\chess26.png
?????文件??????451055??2017-09-26?09:58??象棋識別\chess27.png
?????文件??????515045??2017-09-26?10:06??象棋識別\chess28.png
?????文件??????537769??2017-09-26?10:09??象棋識別\chess29.png
?????文件?????1553963??2017-09-26?11:31??象棋識別\chess3.png
............此處省略30個文件信息