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I=imread('rice.png');
j=imresize(I,2);
imshow(j)

fotonun üstüne noktalar atıyor:
I=imread('cameraman.tif');
tg=imnoise(I,'salt & pepper');
subplot(1,2,1),imshow(I);
subplot(1,2,2),imshow(tg);

r ve c nin ortalamasına göre işlem yap:
average =fspecial[r,c] ----- default hali [3,3] matris şeklinde

r de verilen yarıcap degerine gore çeber şeklinde işlem yapıyor
disk = fspecial('disk',r) ----- default hali 5

guassion = fspecial('guassion', [rc],sig(pozitif)) düşük geçişli filtreleme yapıyor default [3.3] sig[0.5]

laplacian = fspecial('laplacian' , alpha) alfa değerine göre 3.3 lük filtreleme yapar

log =fspecial ('log', [r.c],sig) laplacion of quession sig değerine göre r.c boyutunda filtreleme yapar

motion = fspecial('motion', len, theta) verilen uzunlugun karsiliginda piksel değerine göre yatay islem yapar

prewitt =fspecial ('prewitt') 3.3 lük çıkış filtresi

sobel =fspecial('sobel') 3.3 lük çıkış filtresi

unsharp=fspecial('unsharp', alpha) alfa kontrol şekline göre 3.3 lük filtreleme yapar

I=imread('cameraman.tif');
tg=imnoise(I,'salt & pepper', 0.2);
subplot(1,2,1),imshow(I);
subplot(1,2,2),imshow(tg);

resmi pikselleştirip bulanıklaştırıyor
I=imread('cameraman.tif');
tg=imnoise(I,'salt & pepper',0.1);
b=fspecial('average', [5 5]);
g=imfilter(tg,b, 'replicate');
subplot(1,3,1),imshow(I);
subplot(1,3,2),imshow(tg);
subplot(1,3,3),imshow(g);

daire
I=imread('cameraman.tif');
tg=imnoise(I,'salt & pepper',0.1);
b1=fspecial('disk',7);
g=imfilter(tg,b1, 'replicate');
subplot(1,3,1),imshow(I);
subplot(1,3,2),imshow(tg);
subplot(1,3,3),imshow(g);

gece modu
I=imread('cameraman.tif');
tg=imnoise(I,'salt & pepper',0.1);
b2=fspecial('laplacian',0.9);
g2=imfilter(tg,b2);
subplot(1,3,1),imshow(I);
subplot(1,3,2),imshow(tg);
subplot(1,3,3),imshow(g2);

kenarlık
I=imread('cameraman.tif');
tg=imnoise(I,'salt & pepper',0.1);
b2=fspecial('gaussian',[5 5], 2);
g2=imfilter(tg,b2);
subplot(1,3,1),imshow(I);
subplot(1,3,2),imshow(tg);
subplot(1,3,3),imshow(g2);

Resim keskinleştirme
orj= imread('moon.tif');
F= fspecial('unsharp');
unsharpF= imfilter(orj,F);
figure;
subplot(1,2,1);
imshow(orj);
title('resmin orjinal Hali');
subplot(1,2,2);
imshow(unsharpF);

renkli keskinleştirme
x= imread('peppers.png');
F= fspecial('unsharp');
unsharpF= imfilter(x,F);
figure;
subplot(1,2,1);
imshow(x);
title('resmin orjinal Hali');
subplot(1,2,2);
imshow(unsharpF);

karanlık biber
x= imread('peppers.png');
orj= rgb2gray(x);
b4=fspecial('log');
g4= imfilter(orj,b4);
figure
imshow(g4)

x= imread('moon.tif');
j=imnoise(I,'salt & pepper');
h=fspecial('average',[3 3]);
I_avg=imfilter(j,h);
I_med=medfilt2(j,[3 3]);
subplot (1,3,1),imshow(j);
subplot (1,3,2),imshow(I_avg);
subplot (1,3,3),imshow(I_med);

siyah belirgin çizgiler
t= imread('cameraman.tif');
subplot(3,3,1)
imshow(t)
title('orjinal görüntü')
canny=edge(t,'canny');
subplot(3,3,2)
imshow(canny)
title('canny görüntü')

---------------------------
t= imread('cameraman.tif');
subplot(3,3,1)
imshow(t)
title('orjinal görüntü')
canny=edge(t,'canny');
subplot(3,3,2)
imshow(canny)
title('canny görüntü')

roberts=edge(t,'roberts');
subplot(3,3,3)
imshow(roberts)
title('roberts görüntü')

prwt=edge(t,'prewitt');
subplot(3,3,4)
imshow(prwt)
title('prwt görüntü')

sobel=edge(t,'sobel');
subplot(3,3,5)
imshow(sobel)
title('sobel görüntü')

logFiltresi=edge(t,'log');
subplot(3,3,6)
imshow(logFiltresi)
title('log görüntü')
-----------------------
t=imread('rice.png');
subplot(3,3,1)
imshow(t)
title('Orjinal Görüntü');
s=edge(t,'sobel',0.1)
subplot(3,3,2)
imshow(s)
s1=edge(t,'sobel',0.1, 'vertical');
subplot(3,3,3)
imshow(s1)
s2=edge(t,'sobel',0.1, 'horizontal');
prwt=edge(t,'prewitt');
subplot(3,3,4)
imshow(s2)





     
 
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