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this is the code of DCT image ?
I = imread('lena.tif'); J = dct2(I); imshow(J) J is the dct of I ? can someone help me ?
7 years 前 | 0 个回答 | 0
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How can i improve a steganografic method
Hi, i have emplimented an image steganografy method using matlab based on DWT and Arnold transform, now I want improve it to be...
7 years 前 | 1 个回答 | 0
1
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problem in str2num
I try the code in the str2num doc but it don't works.. it give me an empty array ! can you help me ? >> X = str2num ( '12e-...
7 years 前 | 1 个回答 | 0
1
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Unable to perform assignment because the size of the left side is 1-by-7 and the size of the right side is 1-by-5.
I want replace the 5 LSB of the 'c' image by the 5 MSB of the 's' image but i have this error.. c = imread('lena.tif'); ...
7 years 前 | 1 个回答 | 0
