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SU-WAN PARK AND SANG UK SHIN+
Department of Information Security Graduate School
Pukyong National University
Busan, 608-737, Korea
This paper proposes an authentication scheme based on fragile watermarking as well
as a copyright protection (CP) scheme based on non-blind watermarking for H.264/AVC
and SVC. The proposed authentication scheme uses the intra prediction modes and the inter
prediction modes which are optimized for blocks as watermark for authentication, and
the watermark thus generated is embedded into the quantized coefficients that satisfy a
given condition. This scheme offers low running time in the H.264 encoding/decoding
process, but it has a little increased ratio permissible in the bit-rate. The proposed CP
scheme inserts a watermark of the owner into the DCT domain of I-frames that are divided
into 4 ¡Ñ 4 blocks of uncompressed content. Our CP scheme provides robust watermark
not only in the content to which fragile watermarking is applied but also in the content
which is re-encoded and modified as intended. Moreover, the proposed Authentication and
Copyright Protection Scheme offers low computational complexity as well as low degradation
of video quality.
Received May 21, 2009; revised August 3 & September 16, 2009; accepted September 24, 2009.
Communicated by H. Y. Mark Liao.
* This work was partially supported by MEST/KOTEF through Human Resource Training Project for Regional
Innovation and the IT R&D program of MKE/IITA (007-S019-03, Development of Digital Forensic System
for Information Transparency).
+ Corresponding author.