20陈细云作业3.doc

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1、光电图像处理作业专业： 应用物理 任课老师： 作业名称:图像的均值处理完成时间：1、 一、作业要求：1,对一个图像用一个3*3均值板模糊处理,比较模糊后图像的直方图和原图像的直方图2 选用一幅自拍图像作为原图像,分别添加高斯噪声、椒盐噪声,生成高斯噪声污染图像和椒盐噪声污染图像；再分别使用33均值滤波器、中点滤波器与自适应中值滤波器对污染图像进行滤波,得到三幅复原图像,计算复原图像与原图像的结构相似度.2、 作业步骤与运行结果：作业一function hist_testf=imread;h=imhist;h1=h;horz=1:10:256;% bar% stem% figure,plotfi

2、gure,imshow; figure,imhistaxissetsetxlabelylabeltitle% figure,imshow;% figure,imhist% axis% set% set% ylim;g=histeq;figure,imshowfigure,imhistaxissetset% ylim;hnorm=imhist./numel;cdf=cumsum;x=linspace;figure,plotaxissetsetxlabelylabeltexts=0;end实验2function experience4_ssimf=imread;f=mat2grayim2doubl

3、e;f=f;figure,imshow;m=0;sigma=0.025;g_gaussian=imnoise; noise=imnoisezerossize,gaussian,m,sigma;-g_sp=imnoise;figure,subplot,imshow;text;subplot,imshow;text; figure,space_filter;figure,space_filter;x=7;sita=100; PSF=fspecial;g_b=imfilter; fr1=deconvwnr;Sn=absfft2.2;nA=sumSn./prodsize;Sf=absfft2.2;fA

4、=sumSf./prodsize;R=nA/fA;fr2=deconvwnr; NCORR=fftshiftrealifft2;ICORR=fftshiftrealifft2;fr3=deconvwnr; M,N=size;noisepower=M*N*;fr4=deconvreg;fr5=deconvreg;figure,subplot,imshow;text;subplot,imshow;text;subplot,imshow;text;subplot,imshow;text;subplot,imshow;text;subplot,imshow;text;endfunction space

5、_filterg_noise=mat2gray;fp_amean=spfilt;fp_amean=mat2grayim2double;fp_gmean=spfilt;fp_gmean=mat2grayim2double;fp_hmean=spfilt;fp_hmean=mat2grayim2double;fp_chmean_plus=spfilt;fp_chmean_plus=mat2grayim2double;fp_chmean_minus=spfilt;fp_chmean_minus=mat2grayim2double;fp_median=spfilt;fp_median=mat2gray

6、im2double;fp_max=spfilt;fp_max=mat2grayim2double;fp_min=spfilt;fp_min=mat2grayim2double;fp_midpoint=spfilt;fp_midpoint=mat2grayim2double;fp_atrimmed=spfilt;fp_atrimmed=mat2grayim2double;fp_adp=adpmedian;fp_adp=mat2grayim2double;ssim_amean=spatial_structure_similarityssim_gmean=spatial_structure_simi

7、larityssim_hmean=spatial_structure_similarityssim_chmean_plus=spatial_structure_similarityssim_chmean_minus=spatial_structure_similarityssim_median=spatial_structure_similarityssim_max=spatial_structure_similarityssim_min=spatial_structure_similarityssim_midpoint=spatial_structure_similaritym_atrimm

8、ed=spatial_structure_similaritym_adp=spatial_structure_similaritysubplot,imshow;text;subplot,imshow;text;subplot,imshow;text;subplot,imshow;text;subplot,imshow;subplot,imshow;subplot,imshow;subplot,imshow;subplot,imshow;subplot,imshow;subplot,imshow;subplot,imshow;ssim_amean = 0.5115ssim_amean =0.87

9、02ssim_gmean = 0.2842ssim_gmean = 0.5775ssim_hmean = 0.3167ssim_hmean = 0.6679ssim_chmean_plus = 0.4485ssim_chmean_plus = 0.8150ssim_chmean_minus = 0.2412ssim_chmean_minus = 0.6864ssim_median = 0.3703ssim_median =0.9786ssim_max = 0.4136ssim_max = 0.6974ssim_min = 0.1779ssim_min =0.6590ssim_midpoint = 0.4092ssim_midpoint =0.6194m_atrimmed =0.4969m_atrimmed =0.9162m_adp = 0.1595m_adp =0.9895教师批阅 年 月 日