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資源簡介

該代碼采用了濾波法進行降噪處理。代碼中添加的噪聲為高斯噪聲，采用了標準正態分布和N(0,5)高斯分布兩個例子，用戶下載后可以根據需要修改噪聲類型和噪聲參數。代碼執行后，可以得到原始圖像、加噪聲后的圖像和濾波后圖像的對比結果。

資源截圖

代碼片段和文件信息 

%Function:Noise?Removal
%Input:the?size?of?the?filter?mask

clc;clear?all;close?all;

%%%%%%%%%%%%%%%%%%%%%%%%
%%%??Input?&?Imread??%%%
%%%%%%%%%%%%%%%%%%%%%%%%
W_S=input（‘\nPlease?Input?the?Window（N*N）?Size?N（Odd?Number）=:\n‘）;
N_flag=input（‘\nWhich?Kind?of?Noise?do?You?Choose（Input?1?or?2）:\n1.N（01）?Normal?Distribution?with?Mu=0?and?Sigma=1\n2.N（025）?Normal?Distribution?with?Mu=0?and?Sigma=5\n‘）;
I0=imread（‘yourimage.jpg‘）;
I=rgb2gray（I0）;I=double（I）;
[MN]=size（I）;
if?N_flag==1
????I_N=randn（MN）;
else
????I_N=normrnd（05MN）;
end
J0=I+I_N;?%Image?with?Noise
J=J0;

%%%%%%%%%%%%%%%%%%%
%%%??Filtering??%%%
%%%%%%%%%%%%%%%%%%%
Half_W_S=（W_S-1）/2;
F_matrix=（1/W_S^2）*ones（W_SW_S）;?%Filter?Matri

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