function?RVIN_img=add_RVIN（init_imgnl）
%init_img----原始圖像矩陣
%reflesh_img----恢復后的圖像
%nl----噪聲密度值
[MNZ]=size（init_img）;
if?Z>1
????init_img=rgb2gray（init_img）;
end
noise_img=imnoise（uint8（init_img）‘salt?&?pepper‘nl）;%加入椒鹽噪聲
RVIN_img=init_img;
noise_num=0;
for?i=1:M
????for?j=1:N
????????if?init_img（ij）~=noise_img（ij）
????????????noise_num=noise_num+1;
?????????????rand_num=round（rand（11）*255）;
?????????????RVIN_img（ij）=rand_num;
????????end
????end
end
noise_density=noise_num/（M*N）;
noise_map=zeros（MN）;
noise_map=RVIN_img-init_img~=0;
noise_total=sum（noise_map（:））;
end

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2018-04-19?21:10??denoise?impluse?noise\
?????文件????????1417??2016-05-03?20:40??denoise?impluse?noise\ADS.m
?????文件????????3185??2016-05-03?20:38??denoise?impluse?noise\DWMF.m
?????文件???????66614??2016-04-09?18:22??denoise?impluse?noise\LENA256.BMP
?????文件???????96150??2018-01-09?14:57??denoise?impluse?noise\MAIN_GUI.fig
?????文件????????8803??2018-01-31?15:29??denoise?impluse?noise\MAIN_GUI.m
?????文件?????????452??2016-05-01?16:06??denoise?impluse?noise\PSNR.m
?????文件????????6236??2018-01-31?15:51??denoise?impluse?noise\WMF_TPD.m
?????文件?????????598??2018-01-31?16:09??denoise?impluse?noise\add_RVIN.asv
?????文件?????????629??2018-01-31?16:10??denoise?impluse?noise\add_RVIN.m
?????文件???????66614??2013-04-03?13:15??denoise?impluse?noise\baboon.bmp
?????文件???????66614??2013-04-03?22:34??denoise?impluse?noise\barbara.bmp
?????文件???????66348??2016-04-30?14:26??denoise?impluse?noise\barbara.tif
?????文件???????66614??2013-04-03?18:46??denoise?impluse?noise\barbara_nl-01.bmp
?????文件???????66614??2013-04-03?19:32??denoise?impluse?noise\barbara_nl-03.bmp
?????文件???????65240??2016-04-30?14:26??denoise?impluse?noise\cameraman.tif
?????文件???????66614??2013-04-03?00:07??denoise?impluse?noise\lena.bmp
?????文件???????66614??2013-04-02?18:05??denoise?impluse?noise\lena512_nl-01.bmp
?????文件???????66614??2013-04-02?18:55??denoise?impluse?noise\lena512_nl-03.bmp
?????文件??????262750??2016-04-30?14:26??denoise?impluse?noise\livingroom.tif
?????文件??????262750??2016-04-30?14:26??denoise?impluse?noise\mandril_gray.tif
?????文件???????????0??2018-01-05?22:55??denoise?impluse?noise\sdArray.m
?????文件????????5811??2016-04-30?14:26??denoise?impluse?noise\血細胞.jpg