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The digital information revolution has brought profound changes in our daily lives and the advantages of digital information have also generated new challenges and opportunities for their protection. Due to the tremendous advances in signal processing and transmission techniques, it is easy to acquire, tamper and duplicate multimedia data. The wide spread use of internet in business, research and security has necessitated to protect the data and preserve the identity of its true owner. For the last two decades, digital data hiding has received a great deal of attention from the scientific community. Remarkable research efforts have been invested in recent years, trying to export novel and applied real world engineering applications. Data hiding embeds information into digital media for the purpose of identification, authentication, and copyright protection. Data hiding represents a class of processes used to embed data, such as copyright information, into various forms of media e.g. video, image, audio, and text with a minimum amount of perceivable degradation to the “host” signal; i.e., the hidden data should be invisible and inaudible to an observer. This special issue is intended to bring together diversity of international researchers, experts and practitioners who are currently working in the area of digital data hiding and its applications. This special issue is a collection of original papers that cover a wide range of topics from design, implementation, security, and application of data hiding systems for multimedia security. As a whole, this special issue contains a diverse collection of highquality papers authored by eminent researchers in the field. There were total 49 submissions from several countries around the world and through a rigorous peer-review process, only 20 submissions got final acceptance for the publication. The first paper by Liu et al. presents an adaptive DE-based reversible steganographic scheme with bilinear interpolation and simplified location map. Authors apply kernel of bilinear interpolation to effectively improve the number of the embeddable location. Also, it is used for the existing adaptive embedding rule to improve the embedding payload control Multimed Tools Appl (2011) 52:257–261 DOI 10.1007/s11042-011-0741-1

Research advances in data hiding for multimedia security