9.1 4 Secret Image Steganography [verified] Jun 2026

The primary challenge in 4-secret steganography is the .

The 9.1.4 secret image steganography method provides a simple yet effective way to hide secret images within other images. This technique has various applications in secure communication, digital watermarking, and data hiding. The provided Python code implementation demonstrates how to embed a secret image within a cover image using this method. 9.1 4 secret image steganography

# Create stego-image stego_image = Image.new('RGB', (width, height)) block_index = 0 for i in range(height): for j in range(width): stego_image.putpixel((j, i), blocks[block_index][i%3][j%3]) if j % 3 == 2 and i % 3 == 2: block_index += 1 The primary challenge in 4-secret steganography is the

stego_image.save('stego_image.png')

# Example usage embed_secret_image('cover_image.png', 'secret_image.png') 9.1 4 secret image steganography