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ch3_1_3.m
I = imread('LENA256.bmp');
J=imadd(I, 50);
subplot(1,2,1), imshow(I)
subplot(1,2,2), imshow(J)
ch3_1_4.m
I = imread('LENA256.bmp');
J=imread('Girl.bmp');
Iq = imsubtract(I,J);
imview(Iq)
ch3_2_3.m
I = imread('circuit.tif');
I2 = imcrop(I,[75 68 130 112]);
imview(I), imview(I2)
ch3_3_2.m
I = imread('LENA256.bmp');
f = inline('max(x(:))');
I2 = nlfilter(I,[3 3],f);
imshow(I);
figure, imshow(I2)
ch3_4_2.m
I = imread('rice.png');
BW = roicolor(I,128,255);
imshow(I);
figure, imshow(BW)
ch3_1_2.m
I = imread('Girl.bmp');
J = imread('LENA256.bmp');
K = imadd(I,J,'uint16');
imshow(K,[])
ch3_1_6.m
I = imread('LENA256.bmp');
J = imdivide(I,0.5);
subplot(1,2,1), imshow(I)
subplot(1,2,2), imshow(J)
ch3_1_1.m
I = imread('rice.png');
I2 = imread('cameraman.tif');
K = imdivide(imadd(I,I2), 2);
ch3_2_2.m
I=imread('lena1.bmp');
J=imrotate(I,45,'bilinear');
figure,imshow(I)
figure,imshow(J)
ch3_1_5.m
I = imread('LENA256.bmp');
J = immultiply(I,0.5);
subplot(1,2,1), imshow(I)
subplot(1,2,2), imshow(J)