%LBP?returns?the?local?binary?pattern?image?or?LBP?histogram?of?an?image.
%??J?=?LBP（IRNMAPPINGMODE）?returns?either?a?local?binary?pattern
%??coded?image?or?the?local?binary?pattern?histogram?of?an?intensity
%??image?I.?The?LBP?codes?are?computed?using?N?sampling?points?on?a?
%??circle?of?radius?R?and?using?mapping?table?defined?by?MAPPING.?
%??See?the?getmapping?function?for?different?mappings?and?use?0?for
%??no?mapping.?Possible?values?for?MODE?are
%???????‘h‘?or?‘hist‘??to?get?a?histogram?of?LBP?codes
%???????‘nh‘???????????to?get?a?normalized?histogram
%??Otherwise?an?LBP?code?image?is?returned.
%
%??J?=?LBP（I）?returns?the?original?（basic）?LBP?histogram?of?image?I
%
%??J?=?LBP（ISPMAPPINGMODE）?computes?the?LBP?codes?using?n?sampling
%??points?defined?in?（n?*?2）?matrix?SP.?The?sampling?points?should?be
%??defined?around?the?origin?（coordinates?（00））.
%
%??Examples
%??--------
%???????I=imread（‘rice.png‘）;
%???????mapping=getmapping（8‘u2‘）;?
%???????H1=LBP（I18mapping‘h‘）;?%LBP?histogram?in?（81）?neighborhood
%??????????????????????????????????%using?uniform?patterns
%???????subplot（211）stem（H1）;
%
%???????H2=LBP（I）;
%???????subplot（212）stem（H2）;
%
%???????SP=[-1?-1;?-1?0;?-1?1;?0?-1;?-0?1;?1?-1;?1?0;?1?1];
%???????I2=LBP（ISP0‘i‘）;?%LBP?code?image?using?sampling?points?in?SP
%???????????????????????????%and?no?mapping.?Now?H2?is?equal?to?histogram
%???????????????????????????%of?I2.

function?result?=?fenkuailbp（varargin）?%?imageradiusneighborsmappingmode）
%?Version?0.3.2
%?Authors:?Marko?Heikkil?and?Timo?Ahonen

%?Changelog
%?Version?0.3.2:?A?bug?fix?to?enable?using?mappings?together?with?a
%?predefined?spoints?array
%?Version?0.3.1:?Changed?MAPPING?input?to?be?a?struct?containing?the?mapping
%?table?and?the?number?of?bins?to?make?the?function?run?faster?with?high?number
%?of?sampling?points.?Lauge?Sorensen?is?acknowledged?for?spotting?this?problem.


%?Check?number?of?input?arguments.
numBlk=0;??%圖形分塊
%?error（nargchk（15nargin））;
error（nargchk（16nargin））;

image=varargin{1};
d_image=double（image）;

if?nargin==1
????spoints=[-1?-1;?-1?0;?-1?1;?0?-1;?-0?1;?1?-1;?1?0;?1?1];
????neighbors=8;
????mapping=0;
????mode=‘h‘;
end

if?（nargin?==?2）?&&?（length（varargin{2}）?==?1）
????error（‘Input?arguments‘）;
end

if?（nargin?>?2）?&&?（length（varargin{2}）?==?1）
????radius=varargin{2};
????neighbors=varargin{3};
????
????spoints=zeros（neighbors2）;

????%?Angle?step.
????a?=?2*pi/neighbors;
????
????for?i?=?1:neighbors
????????spoints（i1）?=?-radius*sin（（i-1）*a）;
????????spoints（i2）?=?radius*cos（（i-1）*a）;
????end
????
????if（nargin?>=?4）
????????mapping=varargin{4};
????????if（isstruct（mapping）?&&?mapping.samples?~=?neighbors）
????????????error（‘Incompatible?mapping‘）;
????????end
????else
????????mapping=0;
????end
????
????if（nargin?>=?5）
????????mode=varargin{5};
????else
????????mode=‘h‘;
????end
????%%%%%%
????if?（nargin>=6）
???????

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

?????文件????7072610??2016-01-21?11:56??LLBP\allfeature.mat

?????文件????7072610??2016-01-21?11:56??LLBP\allname.mat

?????文件???????7694??2015-11-20?15:59??LLBP\fenkuailbp.m

?????文件????????788??2015-10-20?16:27??LLBP\fenkuaizhifang.m

?????文件???????9100??2016-01-20?11:15??LLBP\llbp.asv

?????文件???????9520??2016-01-21?11:51??LLBP\llbp.m

?????文件???????2598??2015-11-02?16:56??LLBP\llbpmapping.asv

?????文件???????2599??2015-11-02?16:57??LLBP\llbpmapping.m

?????文件???????2012??2016-01-21?10:28??LLBP\main.asv

?????文件???????1976??2016-01-21?12:22??LLBP\main.m

?????文件????????589??2016-01-20?11:23??LLBP\rocp.m

?????文件????????432??2015-08-31?15:14??LLBP\segimg.m

?????文件????????482??2016-01-20?11:22??LLBP\shbielvllbp.m

?????文件????????527??2016-01-20?11:22??LLBP\swsb_llbp.m

?????目錄??????????0??2016-01-20?11:23??LLBP

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

?????????????14183537????????????????????15