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how to convert decimal values into 8bit binary values in a 256*256 matrix.

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Abirami 2014-8-12

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评论： diwa 2017-12-1

采纳的回答： Pratik Bajaria

i have taken a 256*256 image and found each of the pixel values. now i need to convert each of these pixel values into 8 bit binary sequence and display it as a 256*256 matrix. i have a problem here...i have used a for loop to compute binary sequence of each value..but only the last value is displayed...please help..the code is as follows

>>a=imread('C:\Users\a.png');

>>disp(a);

>>for i=1:256

>>for j=1:256

>>b= de2bi(a(i,j),8);

>>disp(b)

>>end

>> end

thanks in advance..

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Pratik Bajaria 2014-8-12

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编辑：Pratik Bajaria 2014-8-12

Its Pretty Simple. You have not made 'b' into an array. do it and its all done.

i.e. Change it to the following

a=imread('C:\Users\a.png'); disp(a); for i=1:256 for j=1:256 b(i,j,:) = de2bi(a(i,j),8); disp(b) end end

Please let me know if in case of further doubts.

Regards, Pratik

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Abirami 2014-8-13

Thank u so much....got the 8bit sequences...

diwa 2017-12-1

Plzz tell me how can I get maximum value among all these binary values of 8 bit

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