Adding 0s and 1s to Bit Data

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Matlab Student 2016-10-18

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评论： Matlab Student 2016-10-19

I am using imgread to read binary 0,1 data and have to ultimately send it from an FPGA to a monitor using VGA Interface.The entire process would be greatly facilitated if I could add zeros to a 480x640 matrix(had to transpose original 640x480 because fprintf prints column wise ?).I want to know how to write 0 as 000 or 1 as 111 (corresponding to black and white RGB values)?

fid = fopen('3bitbinary.txt','w');
fprintf("","","");
fclose(fid);

Thanks!

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采纳的回答

Chaya N 2016-10-18

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From what I understand, it sounds like you need to generate a m x n x 3 matrix and the easiest way might be to simply do a repmat of your matrix. It should look something like this:

output_matrix = repmat(input_matrix,1,1,3);

When writing to file, the values have to be written depth-wise so use:

fprintf('%d %d %d\n', permute(output_matrix,[3 2 1]))

I hope this helps!