Course outline
Introduction to Digital Watermarking• What is digital watermarking?
• Why should I watermark my images?
• How does the Digimarc watermarking system work?
• Watermarking software
• The Digimarc Registry
• MarcSpider
• Copyright communication system
• What information can a digital watermark communicate?
General Watermarking Guidelines
• What types of images can be watermarked?
• Bitmap images vs. vector images
• File formats
• Image variations/randomness
• What size of image can be watermarked?
• Workflow overview: when to watermark images
• Setting watermark attributes
• Setting target output
• Watermark durability vs. visibility
• Using the durability/visibility
• Other factors affecting watermark durability
• Using the signal strength meter
Watermark Survival
• Image compression
• Resampling images
• Watermarking images for digital output
• DPI settings
• GIF and indexed colour formats
• Watermarking images for print output
• Image size
• Printing devices
• On-screen appearance
• Scaling, Cropping and Rotation
• Combining digital watermarks with visible watermarks
• Working with composite images/montages
Using photographs on a Web site
• Issues to consider
• Recommendations
• Process
Watermarking digital images for print
• Issues to consider
• Recommendations
• Process
Watermarking JPEG-compressed images
• Issues to consider
• Recommendations
• Process-Watermarking the original, uncompressed images
• Process-Watermarking JPEG-compressed images when originals are not available
