function?I_e?=?antireflect（I）
%?=========================================================================
%?作者：王輝登
%?郵箱：wanghuideng@163.com
%?日期：2010-6-30
%?權限：僅供學習研究者使用
%?版本：2.0
%?修改日期：2010-07-13
%?=========================================================================
%?功能：循環(huán)邊界且梯度平滑振鈴去除
%?參數(shù)：
%????I——輸入待填充邊界圖像；
%?返回值：
%????I_e——擴展填充后圖像
%?=========================================================================
%?備注：本文算法采用antireflect邊界擴展方法
%?=========================================================================

[I_x?I_y]?=?size（I）;

%?上下邊界矩陣
temp_border_up?=?2*I（1:）;
temp_border_down?=?2*I（end:）;
for?i?=?1:I_x
????up（I_x?-?i?+?1:）?=?temp_border_up?-?I（i:）;
????down（i:）?=?temp_border_down?-?I（I_x?-?i?+?1:）;????
end

%?左右邊界矩陣
tmp_border_left?=?2*I（:1）;
tmp_border_right?=?2*I（:end）;
for?j?=?1:I_y
????left（:I_y?-?j?+?1）?=?tmp_border_left?-?I（:j）;
????right（:j）?=?tmp_border_right?-?I（:I_y?-?j?+?1）;
end

%?四角邊界矩陣
for?i?=?1:I_x
????for?j?=?1:I_y
????????left_up（I_x?-?i?+?1I_y?-?j?+?1）?=?2*I（11）?-?I（ij）;
????????left_down（iI_y?-?j?+?1）?=?2*I（end1）?-?I（I_x?-?i?+?1j）;
????????right_down（ij）?=?2*I（endend）?-?I（I_x?-?i?+?1I_y?-?j?+?1）;
????????right_up（I_x?-?i?+?1j）?=?2*I（1end）?-?I（iI_y?-?j?+?1）;
????end
end

%{
%?圖像梯度平滑開關
grad_smooth_flag?=?0;
if?grad_smooth_flag
????%?梯度核
????order?=?2;
????grad_kernel?=?derivative_kernel（order）;

????%?梯度平滑
????up?=?minium_gradient（grad_kernelupweight）;
????down?=?minium_gradient（grad_kerneldownweight）;
????left?=?minium_gradient（grad_kernelleftweight）;
????right?=?minium_gradient（grad_kernelrightweight）;
????left_up?=?minium_gradient（grad_kernelleft_upweight）;
????left_down?=?minium_gradient（grad_kernelleft_downweight）;
????right_up?=?minium_gradient（grad_kernelright_upweight）;
????right_down?=?minium_gradient（grad_kernelright_downweight）;
end
%}

%?圖像拓展連接
I_extend_3times?=?double（[left_up?up?right_up;?left?I?right;left_down?down?right_down]）;

figure;
imshow（I_extend_3times[]）;

I_e?=?I_extend_3times;

end

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

?????文件???????2221??2010-07-23?15:53??邊界振鈴\程序\antireflect.m

?????文件???????1240??2010-07-19?14:48??邊界振鈴\程序\createPSF.m

?????文件???????1668??2010-06-14?10:35??邊界振鈴\程序\derivative_kernel.m

?????文件???????5967??2011-03-21?10:41??邊界振鈴\程序\main.m

?????文件???????1729??2010-07-03?10:16??邊界振鈴\程序\minium_gradient.m

?????文件???????1242??2010-07-23?16:28??邊界振鈴\程序\nuemman.m

?????文件???????2447??2010-07-23?16:32??邊界振鈴\程序\smooth_grad_reflect.m

?????文件???????1894??2010-12-14?18:54??邊界振鈴\程序\質量評價\BoundarySignalNoiseRatio.m

?????文件???????1311??2010-12-15?20:25??邊界振鈴\程序\質量評價\main.m

?????文件????????728??2010-07-06?22:12??邊界振鈴\程序\質量評價\MeanSquaredErr.m

?????文件?????????22??2011-03-21?10:37??邊界振鈴\程序\質量評價\說明.txt

?????文件????????854??2011-01-12?11:57??邊界振鈴\程序\平滑評價\edgedetection.m

?????文件??????52432??2010-12-20?09:07??邊界振鈴\程序\平滑評價\gray_blur_cameraman.tif

?????文件????????941??2011-03-21?10:39??邊界振鈴\程序\平滑評價\smoothmap.m

?????文件???????2255??2010-12-26?20:21??邊界振鈴\程序\平滑評價\smooth_area.m

?????文件?????????21??2011-03-21?10:40??邊界振鈴\程序\平滑評價\shuoming.txt

?????文件?????????22??2011-03-21?10:43??邊界振鈴\程序\shuoming.txt

?????文件??????65126??2010-07-15?15:21??邊界振鈴\程序\gray_cameraman.tif

?????目錄??????????0??2011-03-21?10:36??邊界振鈴\程序\質量評價

?????目錄??????????0??2011-03-21?10:36??邊界振鈴\程序\平滑評價

?????目錄??????????0??2011-03-21?10:36??邊界振鈴\程序

?????目錄??????????0??2011-03-21?10:36??邊界振鈴

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

???????????????142120????????????????????22