Collusion-Secure q-ary Fingerprinting for Digital Product
Fan Zhi-hai · Communications technology · 2007
It is the focus of digital fingerprints to protect the copyright of digital products. This paper first introduces some basic concepts and results of q-ary digital fingerprints, and then develops a new concept for q-ary fingerprints. Finally, based on erro-correcting codes a q-ary frameproof code scheme with good properties is constructed.