Question: Would the following scenario be practical under real-world usage?
Let's say that you were to render your initial stenographed image as a BMP. Then let's say that you compress both the original image and the stenographed image into an identically compressed JPG setting (i.e. 90% JPG compression), and then proceed to upload both to the Internet Archive (does not manipulate / reformat images in any manner whatsoever).
Would the above scenario even be practical? The basic idea here, is to obfuscate the stenographed image enough to make detection at least a bit more difficult.
Naturally, each oth the two images would be stored on separate and unique Archive pages.