Image Blind Watermark

Embed Watermark

1. Select the image to add watermark
2. Choose watermark type (text/image/bit array)
3. Enter watermark content
4. Optional: Set password for enhanced security
5. Click "Embed Watermark" button

Extract Watermark

1. Select the image containing watermark
2. Choose watermark type (text/image/bit array)
3. Enter corresponding parameters (length/shape)
4. If password was used during embedding, enter the same password
5. Click "Extract Watermark" button

Attack Test

1. Select the watermarked image
2. Choose attack type (crop/rotate/brightness/etc.)
3. Adjust attack parameters
4. Click "Start Attack Test" button
5. View the attacked image effect

Features

• Supports three watermark types: text, image, and bit array
• Supports multiple algorithms (DWT+DCT, DCT, DWT, SVD, etc.)
• Supports password protection for enhanced security
• Supports 7 attack tests to verify robustness
• Watermarks are invisible and hard to detect