Digital Imagery Basics

• 24-bit images inherently provide more space for embedding a message than an 8-bit image

• Each pixel is represented by three bytes, one byte for Red, Green, and Blue (RGB) values

• Changing one bit of a color value stored this way will result in a color who’s value is extremely close to the original

• A 1024x768 24-bit image provides over 2 million pixels, three bytes each