Least significant bit image steganography
Embeds secret images into a host image and extracts those images back. It may reduce the quality of the secret images when their original size do not fit into the host image.
Host Image: Zelda (512x512)
| Lena | Peppers |
|---|---|
 Secret Image 1: Lena (256x256) |
 Secret Image 2: Peppers (256x256) |
 Stegano Image 1: Lena embedded in Zelda (512x512) |
 Stegano Image 2: Peppers embedded in Zelda (512x512) |
 Extracted Image 1: Lena (256x256) |
 Extracted Image 2: Peppers (256x256) |