Code Block of Operates in Image Processing
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I tried this:
%Take negative
%positiveImage = imread('cameraman.tif');
%negativeImage = 255 - positiveImage;
%imshow(negativeImage)
%or
1) a=imread('cameraman.tif');
d(:, :, 3) =255 - a(: ,:, 3);
d(: ,:, 2) = 255 - a(:, :, 2);
d(:, :, 1) =255 -a(:, :, 1);
imshow([a,d])
%log transformation with c=10
clc; clear all; close all;
f=imread('cameraman.tif')
g=rgb2gray(f);
c=input('Enter the constant value, c= 10');
[M,N]= size(g);
for x=1:M
for y=1:N
m= double(g(x,y));
z(x,y)= c. *log10(1+m);
end
end
imshow(f), figure, imshow(z);
%power-law with c=10, gamma=0.5
clc; clear all; close all;
RGB=imread(' cameraman.tif');
I=rgb2gray(RGB);
I=im2double(I);
[m,n]= size(I);
c=10;
g=[0.5];
for r= 1:length(g)
for p=1:m
for q=1:n
I3=(p,q) =c *I(p,q). ^ g(r);
end
end
figure, imshow(I3); title('Power law transformation'); xlabel('Gamma='), ylabel(g(r));
end
%contrast stretching
I=imread('cameraman.tif');
[m,n]=size(I);
figure, imshow(I);
minp=min(min(I));
maxp=max(max(I));
maxp=double(maxp);
minp=double(minp);
c=10;
d=255;
for i=1:m
for j=1:n
sonuc=(((d-c)/(maxp-minp))*(double(I(i,j))-minp))+c;
B(i,j)=round(sonuc);
end
end
B=uint8(B);
figure, imshow(B);
采纳的回答
Image Analyst
2020-11-17
0 个投票
See the FAQ: How to process a sequence of files
In the middle of the loop, call a function that processes one image only and returns an output image. Then call sprintf() to create an output name, then call imwrite() to save the output image to that output file name.
9 个评论
Rooter Boy
2020-11-17
Image Analyst
2020-11-17
编辑：Image Analyst
2020-11-17
z(x,y)= c. *log10(1+m);
and
I3=(p,q) =c *I(p,q). ^ g(r);
You cannot have a space after the dot. Just got through the syntax errors one by one until they're all gone. Also, you can't have two equals signs on the line like you did.
Rooter Boy
2020-11-17
Rooter Boy
2020-11-17
编辑：Rooter Boy
2020-11-17
Rooter Boy
2020-11-17
编辑：Rooter Boy
2020-11-17
Image Analyst
2020-11-18
If you still have trouble, post the latest code.
Rooter Boy
2020-11-18
Rooter Boy
2020-11-18
编辑：Rooter Boy
2020-11-19
Image Analyst
2020-11-19
Sorry, I don't know much about that topic and don't understand what or why you think something's wrong with the code.
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