How i can read Red channel in 3 RGB Image

4 views (last 30 days)
Abduellah Elbakoush
Abduellah Elbakoush on 1 Jan 2022
Edited: DGM on 1 Jan 2022
I have RGB Image and I work in Image steganography
I want to read Juct Red channel ,I want to make the 2LSB in Red channel as Indicator
How I Can do that

Accepted Answer

DGM on 1 Jan 2022
Edited: DGM on 1 Jan 2022
This is how you can get the red channel
% an RGB image
rgbpict = imread('peppers.png');
% just the red channel
R = rgbpict(:,:,1);
Or you can use imsplit if you also want the others
[R G B] = imsplit(rgbpict);
To get get specific bits, you can use bitget() or basic tools like mod() or rem().

More Answers (0)

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!