Digital Image Processing [DIP]

dip101.m

a=imread('D:\images\spider.jpg');
size(a)
% a=imresize(a,[250 350]);
imshow(a);

size(a)

whos a

imshow(a,[]);

imwrite(a,'D:\images\resized_spider.jpg');

dip102.m

a=imread('D:\images\spider.jpg');
a=imresize(a,[250 350]);
figure,imshow(a);
figure,imshow(a);
R=a(:,:,1);
G=a(:,:,2);
B=a(:,:,3);

imhist(R);

dip201.m

clc
clear all
close all

img=imread('D:\images\spider.jpg');
figure,imshow(img);

R=img(:,:,1);
G=img(:,:,2);
B=img(:,:,3);

figure,subplot(3,1,1),imhist(R);
subplot(3,1,2),imhist(G);
subplot(3,1,3),imhist(B);

R1=histeq(R);
G1=histeq(G);
B1=histeq(B);

R2=adapthisteq(R);
G2=adapthisteq(G);
B2=adapthisteq(B);

rgb_img=cat(3,R1,G1,B1);
figure,imhist(R1);

adapt_rgb_img=cat(3,R2,G2,B2);

figure,imshow(adapt_rgb_img);
figure,imshow(rgb_img);

I=imread('tire.tif');
J=histeq(I);
imshowpair(I,J,'montag');