IBM and NEC have agreed to cooperate on establishing a watermark standard to protect the copyright of digital content.
The two companies will merge their technologies in this area and present them as a single standard to the Copyright Protection Technical Working Group, an organisation that promotes technology for preventing illegal copying of electronic copyrighted materials.
The two companies are pooling resources and research to gain a foothold in the potentially lucrative DVD, digital satellite broadcast and digital video cassette markets.
Electronic watermarks authenticate electronic images by embedding hidden data patterns within the video signal. The watermarks are invisible and do not affect the quality of the video image but are easily detected with special chips to prove whether an image is an authentic copy.
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