Feeds
質問
Implementation of El-gamaal algorithm for images
I have tried implementing the elgamal algo for image but i m unable to find the logical error.How can i modify the algo for impl...
約8年 前 | 0 件の回答 | 0
0
回答質問
the code works well only for few cases when the array dimension is same ,need help when array dimension slightly changes(need to add q till the size of y )
q=mtimes(z,B); x=plus(Y,q); figure() imshow(x)
約8年 前 | 0 件の回答 | 0
0
回答回答済み
i have used the code to convert rgb image to binary , need to convert binary back to rgb
I tried using im2bw() it gives an error.how can I convert an an image to binary?
i have used the code to convert rgb image to binary , need to convert binary back to rgb
I tried using im2bw() it gives an error.how can I convert an an image to binary?
約8年 前 | 0
質問
i have used the code to convert rgb image to binary , need to convert binary back to rgb
RGBi=im2double(imread('autumn.tif')); imshow(RGBi) Ii = rgb2gray(RGBi); imshow(Ii) bi=imbinari...
約8年 前 | 3 件の回答 | 0
3
回答質問
what is meant by intensity factor(alpha)
DCMm=DCM+(α*Em) where: DCMm = DC matrix after embedding message DCM = DC matrix of cover image α = the intensity fact...
約8年 前 | 1 件の回答 | 0
1
回答質問
error in steganography using dct
Error in finding b and c...what is the error? please help I = imread('cameraman.tif'); I2=imread('F:\watermark.jpg'); sub...
約8年 前 | 0 件の回答 | 0
0
回答質問
how to implement one time pad encryption for images?
One time pad is an interesting method i implemented it on alphabets .I need help in implementing it on images?
8年以上 前 | 1 件の回答 | 0
