how to store the image into another matrix?

Question

ravi 2013-8-31

0
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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/86060-how-to-store-the-image-into-another-matrix

在 MATLAB Online 中打开

I am trying to extract the object from the image i am using the code as

i = imread('2.jpg');

p = rgb2gray(i);

figure, imshow(p);

[r, n] = size(p);

%q = r/2;

l = n/2;

for j=1:r

    for k=1:l
        i1(j,k)=p(j,k);
    end
end
for j1=1:r
    for k1=l:n
        i2(j1,k1)=p(j1,k1);
    end
end
n1 = p(:,1 : end/2);
n2 = p(:,end/2+1 : end);
%figure,imshow(n1);
%figure, imshow(n2);
diff = imhist(n2)-imhist(n1);
thre = 100 * graythresh(diff);
disp(thre);
c = zeros(size(p));
%a = size(p);
[r2, n3]=size(p);
for j2=1:r2
    for k2=1:n3
        if p(j2,k2) < thre
            c(j2,k2)=p(j2,k2);
        else
            c(j2,k2)=0;
        end
    end
end
disp(c);
figure, imshow(c);
i2 = edge(c,'sobel',0);
figure,imshow(i2);
se = strel('square',2);
i22 = imclose(i2,se);
% figure,imshow(i2);title('canny');
figure,imshow(i22);title('close line');
se = strel('square',2);
%se0 = strel('line',4,0);
i3 = imdilate(i22,se);
i4 = imfill(i3,'holes');
%[Ilabel num] = bwlabel(i4);
BW2 = bwareaopen(i4, 1000);
%d=bwmorph(BW2,'remove');
d=medfilt2(BW2,[3 3]);  %median filter
%e=imclearborder(d);
[L,NUM]=bwlabel(d);
disp(L);
figure, imshow(p);title('gray');
figure, imshow(i2);title('sobel');
% figure, imshow(i3);title('dilate');
% figure, imshow(i4);title('fill holes');
figure, imshow(BW2);title('connected');
figure, imshow(d);title('median filter');
%figure, imshow(e);title('clear border');
%figure, imshow(i11);title('adjust');
m=1;
for i=1:NUM
    figure,imshow(L==i),title('object i');
%     [r1, n1] = size(L==i);
%     for k=1:r1
%         for l=1:n1
%             jm(k,l) = L(k,l);
%         end
%     end
%     m=m+1;
    pause(1);
end
%figure, imshow(j1);
disp(NUM);

I am successful upto displaying the objects individually. But the problem is i am unable to store the image with objects individually into another matrix for my use

please any one help me to store the each object individually into new matrix.

thanks in advance who help me.

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Answer 1

Image Analyst 2013-8-31

0
链接

此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/86060-how-to-store-the-image-into-another-matrix#answer_95591

See my Image segmentation tutorial: http://www.mathworks.com/matlabcentral/fileexchange/?term=authorid%3A31862 where I do exactly that. Each object goes into it's own image using the bounding box (because, of course, images must be rectangular arrays).

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ravi 2013-8-31

编辑：ravi 2013-8-31

K i will go through your tutorial thank you so much Image Analyst sir.

ravi 2013-9-2

Image Analyst sir, please run the above program with the image

https://www.google.co.in/search?hl=en&bih=845&biw=1280&q=bike+and+car&tbm=isch&tbs=simg:CAQSYxphCxCo1NgEGgIIAQwLELCMpwgaOgo4CAESErUBuwGPAYwBkQGxAYoGtwFKXRogzrex98ND-UTQXGC2mKP0O8utnK8-J6VE9qZim4e12AgMCxCOrv4IGgoKCAgBEgTfWt2bDA&sa=X&ei=oqYkUv7_PMKJrAe_-YGoDA&ved=0CCQQwg4oAA#facrc=_&imgrc=SChLqajGnrc08M%3A%3BkwJzv9DRb4te5M%3Bhttp%253A%252F%252Fwww.oli-hill.co.uk%252FImages%252FGeoffCanvasSMALL.jpg%3Bhttp%253A%252F%252Fwww.oli-hill.co.uk%252Fpaint.html%3B2326%3B1167

at last the objects in the image is displayed individually and i want those output images to store in the new matrix so that i want draw the box around that objects. So please help me how to save those two images and how to use them further in the same program to draw the box around it.

Thanks in advance

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how to store the image into another matrix?

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