how to compute data hiding capacity of a RGB image in steganography?

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i have used 3 bits in each pixel of each channel of rgb cover image to hide bits of secret message.to hide 1 byte of data i have used 4 pixels of a channel.can someone help me in determining what is the data hiding capacity of my scheme?

Answers (2)

Image Analyst
Image Analyst on 10 Jun 2013
With only 3 pixels being used, I'd say not much. Did you mean bits (of every pixel in the image) instead of pixels?

Walter Roberson
Walter Roberson on 11 Jan 2016
1 byte is 8 bits, which is less than 3 bits for each of 3 components. Therefore you can hide at least one byte in each of (rows * columns) locations.

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