%%?This?function?renders?the?bokeh?in?out-of-focus?regions
function?I_bokeh?=?bokeh_rendering（LF_Image?Disparity?slope?K）

[u?v?row?col?~]?=?size（LF_Image）;
cu?=?0.5*（u+1）;
cv?=?0.5*（v+1）;
I_center?=?squeeze（LF_Image（cu?cv?:?:?:））;
I_bokeh?=?I_center;?????????????????????????????????%?Set?the?initial?bokeh?image?as?the?center-view?sub-image

delta_Dis?=?Disparity?-?slope*ones（size（Disparity））;%?Equation?（5）
Radius?=?K*delta_Dis;
Rmax?=?max（abs（Radius（:）））;?????????????????????????%?maximum?radius?of?CoC?in?the?image.
Patchsize?=?ceil（2*Rmax）;???????????????????????????%?ensure?that?Patch?radius?is?larger?than?Rmax
if?（Patchsize/2?==?round（Patchsize/2））??????????????%?ensure?that?Patchsize?is?an?odd?number
????Patchsize?=?Patchsize?+?1;
end

pr?=?（Patchsize+1）/2;???????????????????????????????%?Patch?radius
Patch?=?zeros（size（Patchsize?Patchsize））;
ONE?=?ones（size（Patch））;
ZERO?=?zeros（size（Patch））;

%?Calculate?the?weight?of?the?anisotropic?filter
for?i?=?1?:?Patchsize
????for?j?=?1?:?Patchsize
????????Patch（i?j）?=?sqrt（（pr-i）^2+（pr-j）^2）;????????
????end
end

%?Render?the?bokeh?with?an?anisotropic?filter
parfor?i?=?pr?:?row-pr+1
????for?j?=?pr?:?col-pr+1
????????
????????RPatch?=?squeeze（Radius（i-pr+1?:?i+pr-1?j-pr+1?:?j+pr-1））;
????????Mask?=?（?ONE.*double（abs（RPatch）-Patch>0.5*ONE）?+?ZERO.*double（Patch-abs（RPatch）>0.5*ONE）?...
?????????????+（abs（RPatch）-Patch+0.5*ONE）.*double（abs（RPatch）-Patch<=0.5*ONE）.*double（Patch-abs（RPatch）<=0.5*ONE）?）...
?????????????.*（（abs（RPatch（prpr））??-0.2*Rmax*ONE）...
?????????????+?double（abs（RPatch（prpr））?>=?K）?*?ONE）;
????????
????????Mask?=?Mask/sum（Mask（:））;
????????for?color?=?1?:?3
????????????IPatch?=?squeeze（I_center（i-pr+1?:?i+pr-1?j-pr+1?:?j+pr-1?color））;
????????????I_bokeh（i?j?color）?=?sum（double（IPatch（:））.*Mask（:））;
????????end
????end
end


for?color?=?1?:?3???????%?Dealing?with?image?boundaries
????I_bokeh（?:?1:pr-1?color）?=?repmat（I_bokeh（?:?pr?color）?1?pr-1）;
????I_bokeh（?:?col-pr+2:end?color）?=repmat（I_bokeh（?:?col-pr+1?color）?1?pr-1）;
????I_bokeh（?1:pr-1?:?color）?=?repmat（I_bokeh（?pr?:?color）?pr-1?1）;
????I_bokeh（?row-pr+2:end?:?color）?=?repmat（I_bokeh（?row-pr+1?:?color）?pr-1?1）;
end

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

????.......??????2316??2018-12-13?09:06??Wang2018Selective\bokeh_rendering.m

????.......??????2443??2018-12-13?09:06??Wang2018Selective\Demo_run.m

????.......???1584310??2018-12-13?09:06??Wang2018Selective\Dolls\0101.png

????.......???1590637??2018-12-13?09:06??Wang2018Selective\Dolls\0102.png

????.......???1602782??2018-12-13?09:06??Wang2018Selective\Dolls\0103.png

????.......???1594102??2018-12-13?09:06??Wang2018Selective\Dolls\0201.png

????.......???1607089??2018-12-13?09:06??Wang2018Selective\Dolls\0202.png

????.......???1611163??2018-12-13?09:06??Wang2018Selective\Dolls\0203.png

????.......???1583282??2018-12-13?09:06??Wang2018Selective\Dolls\0301.png

????.......???1599852??2018-12-13?09:06??Wang2018Selective\Dolls\0302.png

????.......???1593405??2018-12-13?09:06??Wang2018Selective\Dolls\0303.png

????.......???????319??2018-12-13?09:06??Wang2018Selective\getD.m

????.......???????528??2018-12-13?09:06??Wang2018Selective\Gradient_BTV.m

????.......???????390??2018-12-13?09:06??Wang2018Selective\ImWarp.m

????.......???????835??2018-12-13?09:06??Wang2018Selective\L2GradientBackProject.m

????.......??????1320??2018-12-13?09:06??Wang2018Selective\L2SD.m

????.......??????1657??2018-12-13?09:06??Wang2018Selective\Lightfield_SR.m

????.......??????2210??2018-12-13?09:06??Wang2018Selective\local_dispt_estm.m

????.......???????366??2018-12-13?09:06??Wang2018Selective\maxfilter.m

????.......???????707??2018-12-13?09:06??Wang2018Selective\medianfilter.m

?????文件????????276??2018-12-13?09:12??Wang2018Selective\readme.txt

????.......??????2490??2018-12-13?09:06??Wang2018Selective\RGDP_optm.m

????.......???????180??2018-12-13?09:06??Wang2018Selective\ScaleAdjust.m

?????目錄??????????0??2018-12-13?09:06??Wang2018Selective\Dolls

?????目錄??????????0??2018-12-13?09:07??Wang2018Selective

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

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