• Digimarc: www.digimarc.com
• Giovanni: www.bluespike.com
• Aliroo: www.aliroo.com
• DICE Company: www.digital-watermark.com
• Fraunhofer Institute for Computer Graphics: http://syscop.igd.fhg.de
• IBM: www.research.ibm.com/image_apps/watermark.html
• Unzign: http://altern.org/watermark/index.html
• Web Reference: http://www.webreference.com/multimedia/watermarks.html
• Watermark Inc.’s Website: www.filenet.com/watermark/e-devtol.htm
• Safeguarding Digital Library Contents and Users - Digital Watermarking: http://www.dlib.org/dlib/december97/ibm/12lotspiech.html
• "Digital Photography Answers!" – Johnson, Dave – Osborne

• Outros artigos na Web

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